Document YKXXR4XL3VpO1EzmwYL8Xz0K

I i > 2 TOXICITY THRESHOLD LIMIT VALUES OF AIR>BORNE CONTAMINANTS Ud tmis 4c IT4NQAA0 SAFETY ENOtNEIUNG STANDARD APRIL 1941 IAN 19T5 JAN 197S S2T Pago 1 e< 20 This cts"*rd include* recuiramnntt of the Occupational Safety and Health Act of 1970 (OSHA) at publtphoa in tit# F#d#tol Ragntaf. OSHA information it printed in r#d. 1. SCOPE 1.1 Thie ausdard provide* a liM of tkmhold link volat# (TLV) of Air miuuiuii la provide criteria tor cafa Canpeay wait eeviroamenta. TLV ip dcfknd to 4.14. 14 Tie TLVt listed to Ttblea l through 4r oro imp adad vofaro of tot Ansriceo Ceuisrean of Covtramental Induatriol Hygiasiau (ACCIH). tad an npHated with ttoir poaiiiiot, tofttber with toe aecompaayiag pnfece. Mt anetiop 4. tad Appandieto A tkrougk E. The vttoee on roviawtd tad pxbiitbcd tatatlly by ACCIH.* 14 TsU* 5 lieu aabettaaao tor which da* weighted average (I wA),T1 eeiltogtt and petitr' eoanairattoiu have toaa eatphliibed aader OSHAr. Each of tone onto Miaen alio to toctoded to Table 1 with nteoscea to Table 5 far toe eeiliag tad peak eoacentrectoBt, x Ammo tvv 2.1 Maoy thatitoaa wbaro laae aubattaw tra baadtod ay regain detailed review by apetiaJind ngiism. todaecrtol bygtaieii, tad texkaiopiu is tbttie toe spdtosto to dnign eoatroit. Vtos eddtossal tofemaitoa it seeded oa toe taxtoity af altor aiaiiriate tad toe toalto haaard toot may to Mandated with tomb. naoulmtoa boaid to totde with toe Haaktll Laboratory tor Taxioology asd ladaauiai Madfcfae. 24 Safety proctattoot to DK176X sball to fallowed wtoa handbag radioaedve mnlMitla. U TLVt tor a tow antartola listed ia Table I an higher (ton restrictive) than than shown ia OSHA RagatotoMU. SaettoM 1910.91. Table C-l. which ie hned aa 19M ACCIH vaiaap Far e tow ether naetertoi*. Table 1 valaao are hitter thea or aa^ntnied by ddhtoael roacrictiaaa ia Table 5. which also ia based opam OSHA rogaiettoii ia than aam. individual liaeingi aro ratoranaod ta cxptoastory toutnotn to Table l. la aalrodag aa eppewpriata TLV, it diaald to noted that ckmgn by ACCIH era hand upon intomutton which may ato hove toea evtilabto whoa OSHA rnguiattona wnrn adeptod. an 4.14.1. 2.4 Cartinofant. Substance* which htvr proven, or art tltogtd to bo. carcinogenic in man u eontidrrrd by ACCIH tro listed uid dimmed in Appendix A. In edditiaa. ratot applying to too manufacture, processing. pukifin|. handling and Mange of that ratitrixli are pnified in OSHA regulations l*10.93a-q as lifted tolow. The list pjto indadot mitrnalt, indicated by , which aro not indadod by ACCIH in Appendix A* 1910.93e 1910.93b 1910.93c 1910.93d 1910.93a 1910.93f 1910.93c 1910.93H 1910.931 1910.93) 1910.93k 1910.931 19l0.93n 1910.93a 1910.93a 1910.93p I910.93g Asbaatea Cni tar pitch volatiles 4>Nilrobiphmyl tipha.Napthyiata ine* 4* 4*Methyiene bis (2<hioroenilinr) Metbyi ehlorommhyi ether* 3. S-Dichlofobrntidinr (and its m1u| btwChtoretaethyl ether tou-Naphthylarnme Benadinc ^Atotnodiphenyi Etbytooaimiae tou*Propioiament 2-Aeetyleroiaoflaorcne * IDnmhytamieeejobenacne N-Nitneadinahvlaaiaa Vinyl chloride 2. OOCUMINTATION OP PLANT nptamci 2.1 TLVa won toteaded ta to and asly ts guideline* toward the aublhhacat af stto walking eaviroamtpu. However, the U4. Doptraant of Labor baa isrorporated than aaehlbihed TLVa tad other toxicity informtoon into he regahutom. la nddhtea. gnvanant aganin at ottor toveto that have tot airoady daae n, will eadaabitdly faltow nit, ttortoy inarm-tag the Cempnuy'i Make to toanal ead naUaic TLVa. U Vtort Mate nd ar toeal plaat ruin apedfy sentitofappt alrbana niiuriteu dUenat from diost ia ike toitowtog teblae. ike towest value ibould to need (or du benign ef naval toeditin. 34 Each depmttoont. to eeosuhMiea nrkh the Safety end Fire Prottolian Divictoa aid Hiakeii Leboruory. T The vatone la Tables 1, 2, nd I are naval in nr towns (aero nstrtotive) toon toaaa prnttflgntnd imdar OSHA n 1t14.fl, eeeapr tea a tow teen to Table 1 identified by f. Son disemsin in 24, 4.12, aad Hates tn Table 1. tt "TWA" to dottoad to 4.1.2, "nek" la 4.14. ei>4 '`tailing'' to 44. * Snmlnn 4 end Tablet 1 fbtnaipk 4 in Hate revision ate the 1V74 ACOIH pantoee. fnbtoa end eevendieea. euacaaaatvTce ho. m 0P 0960108 DU 040418 S1T >n a threshold LIMIT values OR AIK-tOINI CO NTAMIHANTS AREIl mi Ala ( *wv Ja 1*71 P 74 R CONFIDENTIAL koui<i eonaidar th* aspanaion ot iti eampiing projram to aceuniutau <fo* on tfco feral* of employ** exposure to thee* eontaminaot* which mey bo lipiifieiel in Coatpanr operation*. Tb date derivsd firm tuch itudim could. at an <( prapriat* time.be nibmiltod to lb* Saerttarr of Labor to aatabliah. mpport. or refill* tho value for any specific malarial. 4. THRACE TO ACQIH TAILIS AIREOENB CONTAMINANTS * 4.1 Threshold lionlt volnoo nfor to airborne eeecoarotioaa ot aubataatoa aad rapramt toaditfeos uaoar tabfeh it ia believed that aeariy all wotkmi any ho repeatedly xpoiwd day altar day without advert* effect. Beeaue* ot wida variatioa ia individual auacapdbilliy. haaravar. a meal! perveniagv of worker* any exptrim** discomfort firaa aoaa aubataatao at oaaaaotratinna at or haiow tho thraahold limit, a taiailar poxccntago may bo alfoctod mart sorieeily by aorwitiaa at a pro-eximin* surdities or hr development of aa oaaupalional Uinta*. 41.1 Siaaplo mam arc now aradabio (J Oorap Mad 9. S37. 1967; Ann. NY Acad Sri. 1SL Art. 2. 968. 1968) that may b* uacd la detect tboao lativiaxiis kypcr> auacojtihle to a variety of ioduatrial channel* I reaping tory irritant*, hemolytic chant irala, organic isocyanate*. carbc'0 diteifldc). The** mm* may be need to acme out by appropriate job plaeamaat the hyperreaedve worker aad thua ia effect improve th* "coverage'* of th* TLVa. period* -- produce acute pointing. whether th* effoet* art cumulative, tb* frequency with which high nacaalradoo* occur, aad th* duration of inch period*. All faeur* mam be taken into eooiidaradaa ia arriving at dtrimou a* to whether a heaardou* coaditinn axiaca. (Notoi TIV* wmetiiam an referred to a* MAC*, moxh mam aeceptabl* coaceatratMa*. maximum allowable com ceatralioaa, or maximal aeceptabl* eoneeatntia**. Tb* Ameriean Nedonal Standard* laedtute pabliebe* a eariea of etaadards (Z37 eerim) lfodag MAC*, which are pock value* that ahauld ant be exceeded ia animal work day. A aumber of th*** an iadudad ia Tabla S.) *U Thimbctd Umim are bread aa th* bam available infoematiaa Cram indaatrial experieuce. from exporimantai human aad aaaaeal erndfea, an4 whan paotihla. from a oombiamiaa ot th* thru*. Tho knew on which th* value* mo ratahliehnd moy differ from mheernifo to eubeteeeet proemtion agtinat impairreeat at baallh may be * guiding factor for earn*, whmoee rcamoablo ftuedem from'irritation. atreatia, nuiaenct, *r other fame cf acnm mey form th* hark for atiters. 41X1 Tho amoaet ted eaten of th* inform*tioa availehl* for aatabiiahiag a TLV vane* from sub> naaco la aohauaeat eaaaaqaaady, the pnriaioa of th* aathaaetd TLV ia ala* tub)eat to variatioa aad tb* lame* Oeeaueenledea** Mould bo eaaeaimd ia atdar to ****** lb* extent of the data available fora gma nebetaaee. *.1.3 Thraahnld limb vale** (TLVa) rate to tfoam wrigtnd ooocoatrmtieaa (TVA) br a 7 or Moor work* day aad 40-boor workweek. They eboold b* uaad a* guide* ia tb* coowoi of health hazards aad ebauid aot be uiied aa Da* lbas between anf* aad daageroue coo* eeatruioa*. (Exraptfao* are th* anhriaon* ii*d ia Appesdieaa E aad F aad 4*** itihiiineea deaigaated with a "C* or Celling value. Approdie D.) 414 Tlmoetrifhmd average* perail eneurmoa* ehoee th* limit (peek*) provided they are ompeaaated by apnvaleot exauniooa below th* Ibek daring the work* day. Ia war bauaoea it may b* permieeihl* la calculate th* average eooeantradoa br a workweak rather thaa for a wc rirday. Tho degree of permfoafolo ntenraloa fo related i* th* magniludo ot feo threaheld limb value of a part*. ular tubereom aa glvea ia Appaodtr D. Tb* reiadoaabip batwre* tbrnhold Bait aad permieeihl* excursion i a ml* *f thmb aad ia eertaia eaeaa may aot apply. Tb* amount by whlah thembold limit* may b* aaaeedod for abort period* withom injury m health depend* upoa a aeat bar of foemi* arch a* th* aamr* of th* eoatammaat. hatbar vary kiak *oac*atrad*oa ~ even for abort 414 lb* n i aim item (ACGIH) bold* to tb* opinio* that limit* brand so phyeeml itritmion ehould bo eouridorud a* tee* binding that tho** bamd on physical impairment. There i* iocneeiog cvideooo that physical irritation mey inidmo. ptootet* er araelerita physical impairment through interaction with other ihomiral ot biologio agona. 414 la spile of tho fart that avion* injury ia aot believed likely a* a reeuk ot expoeon to th* threebold Until waoaatndoa*. th* bom pramfoo fo to maintain com eenurodon* of *8 etmo^heri* conuretotot* aa low aa iapracdtaL 41J Than limit* an founded far aa* in th* prow dm *1 iaduatriol hygfeoo tad ahauld bt iatarpmtd aad applied only by a penaa Minod in rife diadpUn*. They an aat fenodad foe aa*. or br modilfoadoo for urn, (1) a* * raiadv* iadex of baiard or toairily, (2) in tb* evaiaado* or enoaoi of aommuoity air polludoa auiaoMM, (3) in mdnaimf th* mxio pommial of coaaaaoua, uriaeraiuptad mpoaurta, (4) aa proof or diapnof of an eeieelog diatom or phyefool modidoa. or (3) for adopdoo by oouaoie* whoa* working aoadidoo* 73 n< 4 **4 1 tfcmtfh 4 In tfi 1974 ACGIH ** "OtNfMiMttln li* TVfl*l4 Li* Vlw h* SmAmotc** * a*m***ti, OH 4J201 (1973). tafeU* 4 w4l--. Ait". ACGIH* P.Q* 1977* OUP 0960109 DU 040419 CONFIDENTIAL 77 SB 3 > UJ sc AMU. 11*1 TWi Jon UTS THRISHQID LIMIT VALUIS Of AII.IOINI CONTAMINANTS I2T N|i 3 diffar fro* Aom la Aa Uaitad Suit* af America ud where tubettami aad prooaem differ. 4.2 Coifing flma*Waighad Avaroga limita. Although the dntmwaifhtad average conctatraiioa provides tba moA aabtfeetory, practical way of monitorial airborne aftau far compliance with Aa limita. than art certain substances far which it ie iaappropriaia. Ia Ae lattar greep are aubataaeta which art prtdeaiiaaady faal actiaf. aad wboee tkreehold limit ia mart appropriately baaed aa ihia particular `response. Substances with tkia type af mpoaae art beat coatrolled by a ctiiiaf T limit that abauid aat ka exceeded. Il ia iaiplidt ia tkeee definitions that tba ataaiiar of aampUa| la datirmiaa conpliaaea with tba limita far each paup maat differ; a tingle brief sample, that ia applicable to a "C" limit, ia not appropriate to tba timwwtighicd Umie kart, a sufOciant number af taaipiee are aaadad to patmii a tima-weifhted averaft caoceniratiaa Areaghoul a complete cycle af aparatioaa or throughout the work shift. 4.X1 Vharaaa tba ctiiiaf Uadi piarea a definite kaaadarr which coaceatratiora abauid aat ba pemiutd to aaeaed, Ike utawweifhltd averaft haul requires aa explicit limb to tba excurmat that an ptnaietiU* above die listed valaaa. The aafaitada of lhaaa axcareiaat may be pcfftd m the megaintda af the tkitekold limit by aa appropriate factor shows ia Appaadfat O. It should ha aoted Aat tht aama factara are uaed by Aa comauoaa ia rnakiof a jadgmeM whether la iacteda or aadada a auhataacaior tT hating. SJ *m" Motodoa. Dated aubataaeta faUawtd by the designation "Skia" rafhr to tba potaatial aoatribadaa to Aa everail etpoeurt by Aa eataaeoui rauta Adndag maaaaa mambraaas aad tyt, abhar by airbom. or man pardtaiarly, by dlnet aaatact wiA Aa aubstaaee. Vahidaa eaa aim Ada abaatptiao. Ihia aliaadoa aalllaf deaigutba ia founded to augytm appeopeiaaa aaaaearta far Aa pravantiaa af aottaaeaa abaorptisa aa Aal At Aram bold limb A aat Avaffdaud. 4.4 MlAoroa. Spedal aaaaidtrataaa abauid he give* alas ta Aa appHtadea af Aa TLVa ia aimresg Aa haabh haaarda wkiab may ha aaeariaud wiA expoeurt ia mix* tarn af two ar man aahmaaaaa A brief dkcaaatea of baaia eauMaradeae Avalrad A davaioplaf Areabold Umb vaAoa tar auxtana, aad methods (ar Atir devalep. meat, ampUfiad by apniffa examplea are fivaa ia Appeadix C 4.5 Hditaui Pardauialaa. la aaatraat ta ibrafeaie dam wbitb aaoaa aaar daeut ta ha Arated A laafa whea A* haled A eaaaaeivt aamtata, m railed "ouiaaaee'' daau have a loaf history of Unit adveree effect os luofi and do aot product lignificam organic diaaaar or toxic tffaet whan tapoutrea are kept aader rtaaoaable control. Tht auiaance duau have alia beta called (biologically) "iacrt`* duett, but Ac latter term is inappropriate to Ac extent Aat Acre it ne duet which date not evoke tone cellular mpoaae ia the lung whan Ahaiad in sufficient amount. Hewavtr. Ac luaftrieue reaction caused by iahaladoa of nuisance duals hat At fallowing Chirac* teriatiet: (1) At architecture af Ac air tpaect remains intact, (2) collegia (tear tiaaucl a not formtd to a tigaifleant extant, (3) At liaaut raaetioa ia potentially ravcraible. 4.5.1 Excessive eoncentratiana of nui<ance duau in Ac workroom air may serioualy reduce vUAilitv (iron oxide, carbon black), may cause implement depotiu in he area, tare and natal pmeagre (Portland Cement dust), ar cume injury ta tba akin ar mucous membranes hv chemical or mechanical action per m. ar by Ac rigoroue akin delating procedural neommry for Acir removal. 4J.3 A Arethold limit af 10 mg/m1. ar 50 sippet, af total dial < l percent guana ia lecommeaded for tubaaacee A Acta eaitfarita aad for which aa specific Arttbold limita have kera assigned. Tkia limit, for a normal workday, data aat apply A brief txpaaurt* at higher concreteelitea. Nruhar dote it apply to thorn aubataaeta which may eaaae physiologic impairment at lower eoaeaumdaaa but for which a Arethold limit baa aat yet beaa adapted. Soma uaisoaee particulates are given A Appeadix . 4.4 Sisipia AaphyAunta -- ,<Aarf Omae ar Vapors. A number of gate* aad vapor*, what pretest ia high eon* ctatratiaaa ia air, act primarily ac aimpia asphyxiants without oAer aigaafiaaat pbyaialogic affects. A TLV may aat ba recammcadad for each aimpia mphyxiaat because Aa UmMag fomar A Aa available exygta. The miaimai aaygcu mum abauid ba Iff pocaaat by vuiuma audar aanaal aoneapberie pawaurt (tgmvaitnt to a parksi preset*. pOi af 155 mm Hf). Aauaiphervt dtOocxt in Ot da aat pravida adequate waniag aad meat aimpia aephyxiaau are adarima. Several timplb asphyxiants preeaat aa aaplaaiaa hacard. Araauat abauid be tabcu el tkia Caesar A limkAf tht mamatratiea af At asphyxiant.. Specific examplea an Holed A Appendix F. A7 flmrt Term UmHt (SStaff. ffactual many iaduatriai txpaanrm are aal eaausaaaa. ff>haar daily exposures, hut are Aatvturn, ar Atacmbm. ta which Ac TLVa do aat aetaeeariiy apply, 5TLe for S, 15, ar 30 mrnutm tot 142 aubttaarn have beta pat Am the reguiationa of Ac PtaaeylvaaA Oapanmam af HaalA (Chapur 4. Art OUP 0960110 DU 040420 JMBfliltfrlil iiMKII 11T Fng'f 4 THMJHOIO UMIT VAIUIS OF All.tOINI CONTAMINANTS ANI1 >*> Tlil h| l>y .law 147g 432. Revised Jut 25.1968*). These STLi represent foe maximal average euxetpberie cnacextrttioa of a coa- taaiaaoi to which a worker nay be exposed for (he ttipviaied urna The eoaaeotralien rtpmeat* aa upper limit of exposure and aaaumee that there is tufEcient recovery between txpoeuraa before aaolher is initialed. The daily average exposure including that provided by ihe STL shall be such that foe TLV shall not be extended. Similar STLs for a xsore restricted number of subataaeea have been roeomaeaded by foe American Natisnal Standards (astiuim. This staadard-setdap body referi to these shorwerm timiu aa "peaks.'' (See sale under 4.1-3.) 4.1 Physical Pasters. It s rscognistd thsl such physical factors as best, ultraviolet and ionising radiation, humidity, abnormal presrare (altitude) and the like may place added stress an the body so this the effects (torn at* paeur* et s threshold limit stay bo titered. Most of that strostss set adversely to inereaee the toxic roepooeo of s ubatmee. Although meet forsehoid limits hsee built-in safety facsors to guard against adverse effects to asodsrats deviations from normal envtreamsnts. the tsfsty fecton of funet subtumeae ere nos of such a aasguiuads as to take cars -if peas dsviatiofiA For example. continuous work at temperatures shove 44 F or overtime extending the work* week more then 23 percent. might be eoaaidcnd gram deviations. In such instances jodpeent must bo exercised in tits proper adjusuaonts of the dumbsid limit velum. 4.t Iialogic Umit Voluoi (BlVe). Othor mui exist and may bo normsary for monitoring worker expoeoro other than reliance on the Threshold Limit Velum for in* dustrial sir. namely, the Biologic Limit Values. Thom vsluoi ropesssnt limiting smounu sf sobttaacm (or thsir efTscti) to which the teorher may bo xposed without huari to health or wathbang as dotosminod in bio damns sad fluids or is Us athaisd brsssb. The bielo8s msssiir--esW an which tha BLVs are based can fanUi twa kiads of information msfui in dm control of cracker expos sroi (1) mamma sf the Isdivtdasl workar's oversil exposuni (2) sosmasa of the worfcor't iadiridasi and chsrscterimie response. Msaturemenu of response furnish t superior estimate of the phyiioiape status uf the worker, and may bo made of (a) ehangu in amount of some critieai biochemical constituent, (bl changes in activity of a critical snsyms. (c) changes in mens physiologic func* lion. Measurement of expoeuro may bo made by (I) deter* muting in blood, uriao. hair, nails in body md fluids, the amount of substance to which the worker vs exposed; (2) determinatiaa of the amoant of the metabolites) of the suhstancs in tiuum and fluids! (3) determiaation af tha amount of tha sohaianea in tha exhaled breath. The biologic limits may bo mad m an ad junct to dm TLVt for air. or in plan af them. Tha U. S. National laatitute for Occupational Sifsty end Health is proposing a sense of these BLVs which will bo isound from time to time m port of the Criteria Documents for ncommendad industrial sir standards. 4.10 Unlisted Substances. Thera are a number of reasons why a substance dam nos appear in the ThratheId Limit Hast either insufficient information ia available or it has not boembeoufott ta tha astantion of the Threshold Limits Committee from which a limit can be developed, or it ia a nibKinca that could bo indudad ia the Ap pendices E and F pertaining ta Nuisance Particulates and Simple Asphyxiasta. Substances appearing in thm ap. pondfom serve as cxamplm oniyt the tppendiem are not inlsndnd to bo indnaive. 4.11 "Notice of indent." At the beginning af each year, proposed actions of dto Committee for tha forthearning year am ieaued in tha form af e "Naiias of intended Changes." Thie Nostro provides not only an opportunity for conunant, bnt eoiidw insgiiiiein at mibeetnose tn ba added to the lisa The suggasiiona should bo accompanied by subauatiuiog evidence. Tha list of lataadod Cheops follows tha Adopted Vslam in tha TLV booklet. 4.12 logoi Statue. By peblleesfon ia tho Federal Ragsetev (Vet 34. No. HU May 29. 1971) the Theeabeid Limit Valum (1948) are now official fedora! standards far industrial air. ? 71 <c o 3 i * Pennsylvania Dee*, el Heoldi. Harrisburg. FA DUP 0960111 DU 040421 APRIL mi Mi Pope >nv Jen 1 STS thiisholo limit valuis OP AIMOCNC CONTAMINANTS S2T s Herat, Table t TAill 1 - AOOPTIO VALUIS r (In Alphabetical Older) Cental lettan refer to Afpadkn (Except foe "C" ahown to the left of nibnaaca in Tablet 1 ind 3. Thu iatieMM data foe tba rabmance reiau to Ceiiinf Umiu. See 2 and 42.1 for dinuaioa.) 1174 Addition ** See Node* of Inteadod Chcnpae. Table S 4 See Table S far eealiap and peak concenmtiona 44 Sea Table S fee TLV, ee eailiap eoaeeatraiiona. or both, which an more reetriettve and an OSHA nqianmeau TLV liaad ia hifha (laaa raetrietivc) than thooa ahowa in OSHA npuiatiena. Section 1910.93 Table G-l. See diaaaaaiea in 2.3. IT See 1974 Keeiaad Dectaaaentatien. 4.1.44 Peefneteai (a) Peru of rapar or pa per million part* of eontaniinaced air bp volume at 2S C and 740 mm H| pnerate. (b) Approximate aUliaeac of rabataaa per cubic actar of air. (d) An aODeapharie aeneentntieo of eat more than 4.02 ppm. or peroonai proaction map be eeceaaary to need headache. (e) <?pa in diameter. (0 Aa itpled bp aetbed that dea eat eollaet vapor. (I) Aeeerdinf ta andytimiiy determined eompaeitien. (h) For eentrel of panael ream air. bielopic aeaiwrinp ia eaaatUi far paraennei eontrsL (a) See eeea (a). Table 2. ledieeetlviCyi Fee paahmblc eewaaatratiene of radioiaotopee in ar. aee V. S. Depoteacnt of Ceraaterce. National Burma af Standarda Handbook 69, "Maximam PxnnMbl* Bedp Btrdeae and Hnsmvn Ptmiaaible Caaoantntioei af Radieaadida ia Air and ia Taler Mr Occupation*! Expaettre." June S. 1949. Alao. ao U. S. Dopettaant of Commerce National Bunas of Standard* Handbook 59. ~Pembte Dooo from External Sauna of laoUxf ladiaion," Septanbar 24. 19S4, and addandan af April IS, 1951. A report. Bale ladiaion Proemlion Criteria, published bp the National Coaaitlae on Radiation Protection, nviaa and aitdmnaa tba mnoapt of the NCKP ctaadada of 19S4.19S7 end 19Sdt ahainabla a NCRP Kept. No. 39. P. O. Bex 4947. TahJa^ra. D. C. 200M. (Alao am 2A.) CONFIDENTIAL Seketwice rra"a*i) Abntt............................. -- Aeetxidehyde................. 100 Aeetie add.................... 10 C Antic aabpdride........... 5 Aeetooo......................... 1400 Aettoeitrik................... 40 Aeetyiaan....................... F Antyiana dkhioridt, me 1. 2>Diohioroetbplrna. -- Antyiana teanbromidc. 1 Aeroieta......................... 0.1 Acryimnide--Skin........ -- Acrylonitrile-- Skin.... Aldrin--Skin................ AHpl aloobol--Skia----Allyl chloride................. AUpl glyddyl rtbrr 30 3 1 (AGE)--BUn........... Allyl propyl diaulfide.... S 3 mf//m ** 10 ISO 35 30 3,400 70 -- -- u 0.23 04 43 0.23 3 3 23 12 SabildMi Altindum (AltOel........... 4-Ajaisocnphenyl--dkin. 2-Aminoethanol. mm Ethanokunint............ 2-Aminopyridirw........... Ammonia,..................... Ammonium chloride. fume.......................... Ammonium aulfamatt (Ammatr).................. a-Amyl acetate.............. aeevAmyl aoetau.......... Aniline--Skin............... Aaiddiae (o, p-iaomtn) -- Skin....................... Antimony A oornpound* (aa 3b)....................... ANTU (alpha naphthyl rhiounn).................... mfpmm*) am. -- -- 0.3 25 -- -- 100 125 & 0.1 -- -- m$/m E A1* e--. 2 18 10 10 323 650 19 0.3 0.5 0.3 * Table 1 veieet ere eeeel te er leva (mere raewtertve) <be thee# pramalpetad enter 0SH4 per 14'6.93maeapt In e lew eeeea identified bp 7. See Tefcle I Netee, end dUaweilea in 2.3. See ebeve far ell cent 0UP 0960M2 h :REV._jah iazB__ '_ DU 040422 CONFIDENTIAL S2T pf t THMSHOIO LIMIT VAIUU OP AIMOtNI CONTAMINANTS APtIL ltd l HWi Pepe ie )" o 0 SubtieMf TAIU 1 - AOOPTIO VAUJIS (CONTO) ppm* mi/M Sebeteeice ppm*1 mf/M*** Aison.......................... Antnio Sc compound! (xa Aa)....................... Amine............................ Ai.phalt (petroleum) fumee......................... Aianphoe methyl--Skin. F -- 0X3 -- -- *B<ton (Propaxur)......... -- Birium (eoluble tempoundx)............... -- C Benxene--8kin............... 23 Benxidine--Skin........... p-3enaoquinoae. ice Quinene..................... -- Benaovl peroxide........... Brnsyl chloride.............. Beryllium...................... 1 -- Biphenyl, ate Diphenyl. -- Biuauth teiluride........... Bismuth teiluride (Se-doped)................. -- Boron oxide................... -- Boron tnbromido........... 1 C Boron trifluoride........... 1 Bromine......................... 0.1 Biomine pentafluoride.. 0.1 BiomoTorm--Skin........ ox Butadiene (1.3butadiene).................. 1X00 " Butane........................... 500 Butanetbioi, tee Butyl merceptna.................. -- 2-Butanooe.................... 200 2-Butoxy etheaol (Butyl Celloeolvt) -- Skin.... 30 Butyl eceute (n-butyi toeute)...................... 130 ms-Butyl aetute........... 200 tert-Butyl tcetnte......... 200 n.Butyl alaohol--Skin... 10* nc-Butyi alcohol........... 130 tert-Butyl alcohol.......... 100 C Butylamine--Skin........ 3 C tert-Butyl ehmmate (aa CrOj) -- Skin........... n-Butyl glyeidyl ether (BGE)....................... so Butyl lactate................. -- Butyl meroaptan........... 0.3 D-tcrt-Butyitobaaae....... 10 ** Cadmium (Metal duet and toluble talu)....... C Cadmium oxide lume (aa Cd)............................ -- OX ox 3 ox ox ox 80 A' 5 3 0.003*4 * 10 3 10 10 3 0.7 0.7 3 3X00 1X00 -- 500 240 710 900 030 300 430 300 IS 0.1 270 -- IX 60 OX* 0.06 ('ajrium carnonate........ Carbaryl (Savin*)......... Carbon black................ -- -- Carbon dioxide.............. 3,000*1 Carbon diaulfide--Skin. 20 Carbon monoxide.......... 30 Carbon tetrachloride -- Skin........................... 10 Cellulate (paper Sber)... -- Chiordane--Skin......... -- Chlorinated camphene-- Sldn........................... -- Chlorinated diphenyl oxide.......................... -- Chlorine......................... 1 Chlorine dioxide............ 0.1 C Chlorine trifluoride....... 0.1 C Chioroeeetaldehyde....... 1 c-Chloroacetophenoae (phtnacylchloride).... 0.08 Chiorabenaene (mcooehlorobenaene).. 75 o-Chlorebeiuylidene natoflonitriW (OCBM) --Skin....................... 0.06 Chlorobroirnmethane... 200 2-Chlorol, 3-butadieoe see CMoroprenr......... -- Cbiorodiptatjrl (429# Chlorine) --Skin....... -- Chtorodiphtayl (54% Chlorine)--Skin....... -- 1-Chloro, 2,3* epoxy* propane, eee Epichlorhydria........... Caiaum arecnate........... Calcium oxide................ -- -- -- Camphor (Synthetic)... 3 Caprolactam Dual.......................... -- Vapor......................... 5 2-ChMcoethanal. eee Ethylene chlorohydrin. -- Chlorocthyiene. me Vinyl ehloride............ -- Chloroform (Trichloromethane)... 33 bia-Chloromethyl ether.. 0.001 l-Chioro-l-nitroproptne. 30 Chloropicrin.................. 0.1 Chioroow* (2*chloroU 3*butadieae)--Skin.. 23 * O-Chlorotoluene............. 30 Chromatee, certain inad- uble forma............... -- E 3 3.5 9.000 60* 53 S3* E OX OX ox 3 OX 0.4 3 OX 350 0.4 1X30 -- 1 OX mem 1 3 12 l 20 -- 120 A" 100 0.7 00 230 A" 2 i < See S fet ell mm DUP 0960113 DU 040423 anil t*i O' rTJii !*< Jan If75 THM5H0LD LIMIT VAUIU OP AIMOHNl CONTAMINANTS TAIL! 1 - AOOPTIO VAlUfS (CONTD) mg/M*** lebelenaa IJT >1 7 |*ml) mg/M*" CONFIDENTIAL Chronic odd tad chromtnt (u CrOi).. Chromium, tol. chromic. ehromou* ttlu uCr.. Coil tar pitch volatile* (benaene'toluble frac tion : anthracene, BaP, pheaaathreae, aeridia. chrymae. pyrene) Cobalt, metal fume t dun............................ Copper fume.................. DuaU and Miatt-- Corundum (AltOa)---* Cotton Dtut (raw)........ Crag* herbicide............. Creed, (all iaomen) -- Skit............................ Cratonaldehvde.......... Cuman*--Skin............. Cyanide (aa CN)--Skin. Cyanogen....................... Cyclohexane.................. Cyeiohannei................. Cyclohexanone............... Cyclohexane................... * Cyclohexylamine--Skin. Cyelopentadieae............. 2, 4-D............................. DDT.............................. DDVP. tea DiaMorvos.. Deeaboran*--Skin........ Dam*ton*--Sian.......... Diacetone alcohol (4- hydroxy-*-mothyi- 2-pentaaoae).............. 1, 3-Diaainoethaae. aee Ethyianediamiae........ Diaaiaon--Skin............ Diaaomethaae................ Diborane........................ 1.2-Dibramoetkaae (ethylene dibromide) --Skin........................ Dibrwa*........................ 2-N Dibutyl.iminoethaaoi --Ski*........................ Dibatyl phoephate......... Dibutyiphthalate........... C Dichioramtyten*............ C o-Dkhlorabenaene......... p-Dichlorabenaene......... -- -- A** -- -- -- -- 3 2 20 -- 10 300 20 20 300 10 72 QJOS 041 (A 0.3 0.1 ao -- 2 1 -- 0.1 20 75 0.M 0.2 04 0.1 (OJi) l E 0.2* 10 22 S 242 5 -- 1420 200 300 1,012 40 200 10 0-3 0.1 64A 0.1 0.4 0.1 142* 3 14 2 2 0.4 300 420 Diehlorebenaidine-- Sldn........................... DichforodifiuoromflthAA*. 1.000 1. 3-Dichloro-2. 5- dimethyl hydantetn... I, 1-Dichloroethane....... 300 1. 2-Dichioreethane....... 20 1.2-Dichloroethylene... 200 Diehloroethyl ether-- Skin........................... 2 Dichloromethane, aee Methyieae ehloride... Dichloramonofiuo. > methane..................... 1.000 C1,1-Dichlorol> nitroethane................ 10 1.2-Diehiorsprepane. me Propyieaediehloride... _ DiehJoroUtrafiuoro- ethane........................ 1400 Dichlorvoe (DDVP) -- Skin........................... 0.1 Dieldrin--Skin............. Diethyiamine................ 25 Diethylamine ethanol -- Skin.......................... 10 Diethyiaae triaaiae -- Skin........................... 1 Diethylether, ate Ethyl ether........................... Difiuorodibromo- mathaea..................... 100 C Digtyddyl ether (DGE). 0.2 Dihydmxybeaaene, me Hydroqaiaoae............ -- Diiaobutyl ketone.......... Diieopropylamine -- Skin........................... Diatthoxymethane, me 25 2 Mtthyiai.................... Dimethyl emtamirla -- Skin........................... Dimethylamiae............. 10 10 Dimethylaminobenaene. eti Xylidene.............. -- Diacthyiaaiiine (VdimethyianQiae)-- Skin........................... Dtatthylbeaaene. ate Xylene........................ 2 -- Dimethyl 1, 3-dibromo- 3-diehloroethyi phot* phau. aee DiBram___ -- A'* 4.920 0.2 320 200 790 30 4400 20 7400 1 045 72 20 4 800 22 -- 120 X 35 18 9. 22 -- -- iaa a S far all aataa DUP 09601M RCV.J55---------- DU 040424 CONFIDENTIAL s3 r TMtUHOlO UMI7 VAUIIS Of AJLIOtNI CONTAMINANTS *Mlt If* I Thle Nl key Mw 1T7S SalmMace TAMS 1 /*** Diinethyiforeuunide-- Skin........................ 10 2, K-Dimethyiheptanone, eee Diiaobutyi ketone. 1. I -DimethylbydraBne -- Skin....................... 0.5 Diioethyiphthalatc........ -- ' Diraethyiaulfate -- Skin. Diuitrobenaene (all (1) iiamen)--Skin......... 0.15 Dit.itro-o-ertaol -- Sirin. Diritrotoluene -- Sirin.. Dioxaae, technical grade --Sirin........................ 50 Diphenyl........................ 0.3 Diphenyl amine............. Dip henylmethane riiuoeynnate, eee Methylme biapbeayl iiocyanate (MDI).... Dipropylrne glycol methyl ether -- Skin. Djpuat........................... too Diiwc. eetyl phlhalate CDi-2-ethyihe*yl- phthalate).................. * Diayaton--8km.............. Emery.................. .. Encloeuifan (Thioiian*) -- Skin....................... Enclrin --Sirin............... _ Epithlorhydrin--Skin.. 5 EPS*--Skin.................. -- 1, :l-Epoxypropaae, ere Propyleneoaidr........... 2. 3-Epoxy-l-propanel, a Glyddol............... Ethane........................... r EthanethioU eee Ethylmercaptan......... VTtkifMlftmin* ............. 2-Euhoxyethanol--Skin. -- 3 100 2-Enhojcytthyiaoetatt (Celloeolve acetate) --Sirin....................... 100 Ethyl aeetate................ 400 Ethyl acrylate--Skin... 28 Eth yi alcohol (ethanol).. 1400 Ethylamine.................... 10 Eth yi arc-amyl ketaae (8- methyl 1 heptmcee).. Ethyl benatae............... Ethyl bromide............... 28 100 200 Ethyl butyl ketaae (3- Heptaneoe)................ 80 30 1 5 (S) 1 02 14 180 1 10 500 04 5 0.1 A ai ai 19 0.5 -- an no 540 1400 100 1400 IS 130 438 M0 230 Sabetaiice 1* ppm*1 m*/M Ethyl chloride............... 1,000 Ethyl ether..........................400 Ethyl formate................ Ethyl mercaptan........... Ethyl ailicate................. Ethylene....................... Ethylene ehlorahydrin-- Sirin........................... Ethylenediamino........... Ethylene dibromide, tee 1,2-Dibeomoethane... Ethylene diefaJoride, eee 1, 2-Diehloroethane... Ethylene glycol. particu late ............................ 100 0.5 100 F 5 10 Ethylene glycol, vapor.. C Ethylene giyeol dinitrate and/or Xitrogiyoerin-- Skin........................... 100 03" Ethylene giyeol mono* methyl ether aeetate (Methyl eeiiaeolve ace tate) --Skin.............. Ethylene inline -- Skin. Ethylene oxide.............. Ethyiidine ehloridc, m 28 04 80 1,1-Diehioroethane.. *C EthyUdene norfaomene.. K-Ethyimorpboliae-- Skin........................... 8 an Ferbam.................. Ferrovanadium dust.... Fluoride (aa F)............. -- Fluorine......................... Fluorotriehloromethane. C Formaldehyde................ Formie add...................... Furfural--Skin............. * Furfuryi alcohol............ Gaeohne........................ Germanium tatrahydride Glam. hbroui" or duet... Glycerin miat................ Glyeidol (2. 3-Epoxy-l- 1 1.000 2 s 5 8 as -- mm propanol)................... Glyool monoethyi ether, eee 2-Etboxythanoi.. Graphite, (Synthetic),.. Guthion.* in Arinphom methyl....................... Gypaum......................... Hafnium........................ Htlium.......................... Hepuehlor-- Sirin........ * Heptane (a-heptane)___ 80 -- -- -- mm T mm 800 2.600 1400 300 l 850 -- 10 35 10 290 -- iao i 90 28 M 10 1 lit 2v 5,900 3* p 20 20 B* 04 E E ISO -- E -- E 04 -- 04 2400 82 3 tn i e Si tar U Mtti DUP 0960115 Avn A3d DU 040425 .ecaigagT's- CONFIDENTIAL ana imi 1 I hj In Jan jyyj THtlSHOLO UAUT VALUIS OP AIMOINI CONTAMINANTS 12T/ Page/ TAU I - AOOPTIO VAIUU (CONTO) mf/M Chromi3iadd and ehromatM (u CrO).. ChromiumNeoL chromic, ehroraoua ktu u Cr.. Coal tar pitek Tolatil** (benxene joiuV freecion: amhraeen\BP, phenanchrene. aeli dine, ehryien*, pyrfoe) A1* Cobait. metal fust* *'* dtut.......................... \ -- Copper fume.................. \ -- Duau tad Mutt.... v-- Corundum (AhOi)......... Cotton Dun (raw)........ Crag* herbicide................. -- Crewi (all iioraen) -- Skin................................ Crotouidehvdo................. Cumene--Skin................. 3 2 SO Cyanide (aaCJf)--Skin. -- Cyanogen.......................... 10 Cyclohexane.................. 300 Cydohexanol..................... 50 Cyclohexanone.................. 30 ` Cydohexcn*.................. 300 * Cyeiohexylamine--Skin. Cydopentaditae............ 10 75 2. 4-D................................ -- DDT................................. -- DDVP, eoe Diehlorvae.. -- Decaborane--Skin....... 0.05 Demeton*--Skin....... 0.01 Diacctone alcohol (4- hydroJty-4-mcthyl- 2-pentenoae).................. 30y 1. 2-Diamiooetbane, eee Ethylenediamiae........ Diasnon--Skin. Diaaomethane................f Q.2 Dibotane............. .... / 0.1 l. 2-Dihraenoetiiane (ethylene dibcnmii b) --Sid*........ 7!/ ... 30 Dibrem*........... 2-XDibaty --SU*.. Dibutyl phj ate......... 2 I Dibutytp C DidUor/etyleoe........... Co-D< p-DJl 0.1 n.ie 0.5 0.2 Sebelnace Dtchiorabenaidine-- Skin........................... Diehlorodifluorometbane. l.i 1.3-Diehloro-5. 5dimethyl hydantoin. 1, NDichioroechase---- / 200 l. 2-Dichioroethaae.../ SO 1. 2-Dichloroethylene/. 200 Dichloraethyl ether. Skin.............. ./.___ Diehioremetf 5 Methylene cjdoride Dtehloromoni methane./................. 1,000 C1. t-Diehtore-l- nitroemane................ 1,2-DWUoropropane, eee PtwyitBcdichloride... Dianoratetraduora- 10 -- thane........................ 1,000 ehlorroe (DDVP) -- Skin.................... 0.1 Dieidrin--Ski*........... -- Diethyiamine......... 25 Dicthyiamino ethanol -- Skin.................... 10 Diethylene triamine -- Skin..................... 1 . Diethylether, eee Ethyl \ ether.................... -- `Dtfluorodibromo- methane............... 100 C Dijbrddyl tth*r (DGE). 0.5 Dihydtoxybeaeeoe. eee Kytfroquiaone........... -- Diiaofeutyl ketone.......... 25 Diiaopropylamine -- 3kin....... v............... 5 Dimethoxymethaae. eee Metuyial--\.... -- Dimethyl acetamide -- Skin................ .\... 10 Dtmathyiamiae___ . 10 DlmethylaminobenaeA aeeXyUdene............. \ -- Dimethylanihoe (iT- \ ctimethyiaailine) -- Skin........................... Dimathylbenaene. tee Xylene....................... Dimethyl 1, 2-dibromo2-dichioroethyl pho^ phate. tee DiBroca.... 30 4.200 GO 7,000 1 OJS 73 50 4 aeo u 150 20 35 18 t S f#p til NtM i'HI'jnV AlDUP 0960H6 DU 040426 I7J :I > u. AMU mi Bii A-- t Jk H75 thmshoid umit values or aimoins contaminants sar !> 9 Subeianes TAAU I - ADOPTED VALUES SCONTD) NR*> mg/M Substance ppm" mt/M** Hexachlorocyciopcntadint........................... Hexacfaloeoethaa*-- Skin............................ HexachloronaphtliAleae -- Skin........................ 0.01 1 Hsxafluoroaeetoee......... Hexane (n-hsxaae)......... 2-Hexeaone.................... Hexone (Methyl bobutyl ketone)....................... aee-Hexyl acetate........... Hydratine--Sirin......... Hydrogen....................... Hydrogen bromide......... C Hydrogen chloride......... Hydrogen cyanide-- Skin............................ Hydrogen fluoride......... Hydrogen peroxide........ Hydrogen eeicnide.......... Hydrogen ealflde........... Hydroquiaooe................ 0.1 500 100 100 80 1 I $ 'i 10 s 1 0.05 10 -- Indcne............................ Indium and oompounds, as In........................... C Iodine............................. ** Iron oxide fume............. 10 0.1 -- Iron pentacarbonyl........ Iron salts, soluble, as Fe. laoamyi aeetate............. Ieoamyl alcohol............. Iaobutyi aoetate............. 'leobutyi aloohoi............. *" Iaopbonne..................... Isopropyl aoetate........... Isopropyl aloohoi--Skin. Ieopropyiamiae.............. Ieopropyletbar............... Isopropyl giyaidyi ether (IQ......................... 04)1 100 100 ISO 100 US) 280 400 ft 280 80 KftoJtnii ii ................... Kateae............................ Lead, inorg., fume sad dusts.......................... Lead areenate..*............ Limestone...................... UmllllC.................. 0.5 mnm -- -- Lithium hydride............. L.F.G. (Liquified petro leum gss).................... 14100 Magnesite...................... Magnesium oxide fume.. Maiathion--Skin......... Maleic anhydride........... -- -- 0.38 In plhrill mns 0.11 10 0.3 0.7 1JMM 410 410 aoo 13 10 7 11 3* 1.4 03 154 2 48 0.1 1 (10) 0.08 1 S2S 880 700 500 (140) 980 910 13 14)80 340 0.9 0.184 0.15 E 0.3 0.035 IJOO E 10 10 1 C Manganese and com pounds. as Mn........... * Manganese eyelopenta- dienyi thcarbonyi (as Mn)--Skin........... Marble........................... Mercury (Alkyl com pounds) -- Skin......... 0.001 Mercury (All forms ex cept alkyl).................. Mesityl oxide................ Methane........... ......... MethanethioLsee Methyl 35 F mercaptan.................. Metboxychlor................ 3-Methoxyethenoi--Skin (Methyl eelloaolve)... 25 Methyl aeetate.............. 300 Methyl acetylene (pro- pyne).......................... 1,000 Methyl eeetylene- propadiene mixture (MAP?)..................... 1.000 Methyl acrylate--Skin. 10 Methyl acrylonitrile -- Skin........................... Methyls! (dimethoxy- 1 methane).................... 14)00 Methyl alcohol (metha nol)--Skin.................. Methylaaine................. Methyl amyl alcohol, see Methyl iaobutyi earbi- 300 10 nol............................. Methyl 2-cyanqecrylate. 2 Methyl iioaayl ketone.. 100 Methyl (n-amyl) ketone (2-Heptanone)........... 100 Methyl bromide--Skin. 15 Methyl butyl ketone, see 3-Hexenooe................ Methyl eeileeoWc--Skin see 3-Methoxyethanol. Methyl ociloeoivc aoetate -- Skin, are Ethylene glycol monomethyl ether acetate.............. Methyl chloride............. 100 Methyl chloroform........ 350 '* Methyleyelohexane....... 500 Methylcyclohexanol----- 50 o-Mtthyleyciohtxanone- -- Skin....................... 50 Methyicyeiopentadienyl manganese tricarbonyl (as Mn)--Skin......... 0.1 5 0.1 E. 0.014 0.05 s too 10 .80 610 1.680 1.800 38 3 3,100 200 12 8 475 465 60 210 1.900 24)00 335 330 041 ...... DUP .0960117 DU 040427 fTT. nuisHoio umit vaiucs OP AIMOtNI CONTAMINANTS AMU 1**, I* TM< Itv4mn 1973 SllMat** TAMJ I - ADOPTtO VALUIS (CONTO) PP*** "f/M1** ** */M M ethvl deroeton--Skin. -- Od Methyl ethyl ketone (MEK). eee 2-Bu- tenon*.................... -- *C Methyl ethyl ketone peroxide..................... as Id Methyl former*............. too 230 Methyl iodide-- Sldn... 5 28 Methyl ieobutyl earbiaoi -- Skin....................... 23 Methyl ieobutyl ketone, 100 eee Hexooe................. -- -- Methyl iaoeyeaete -- Skin........................... 0.02 Methyl aereepten......... 0.3 0.05 1 Methyl methacrylate.... 100 410 Methyl paratbion--Skin. 0.2 Methyl propyl ketone. tec 2-Pentencoe......... -- -- C Methyl eiiieet*............... 3 30 C e Methyl ttyrcoe........... 100 480 C Methylene bitphenyl iso cyanate (MDI).......... 0.02 0.2 "Methylene chloride (di- ehioromethese)......... (500) (1.740)* -i- l'-Methylene bu (2- ehloraniline)--Skin... 0.02 A1 *C Methylene bie (4-eyeio- bexylieocyanate)........ 0.1 .0.11 Molybdenum (eohtble compounds).. (insoluble compound*). 5 10 Monomethyl utilise -- Skin........................... 2 0 C Monomethyl bydnoae --Skin....................... 02 03S Morpholine--Skin....... 90 70 Naphtha (ooel ur)........ 100 400 Naphthalene.................. 10 80 3-Naphthyiaaiae........... Neon............................. r A" -- Nickel eerbanyt............. 0l001 A1* 0407 Nickel, octal end insol uble compounds (aNl) -- 1 "Nickel, soluble emmpounds (as NI)........... -- 1 Nicotine--Skis............ 04173 Od Nitric add..................... 2 3 Nitrie oxide................... 28 80 p-NimaniMae--Skin... 1 Xitrobenatas--Skin___ p-Xitrochlorobenmne -- 1 3 SUa........................... 4-NUndipheayi............. -- -- 1 A1* Xltraechane................... 100 C Nitrogen dioxide........... 3 310 9 Nitrogen trifluorid*....... Nitroglycerin--Skin__ Nitromethen*................ 10 0.2 100 1-Xitropropue.............. 23 2-Nltropropen*.............. 23 N-Xitreeodimethylamin* (dimethylnitroeoemin*) --Skin....................... Nitrotoluene--Skin.... 5 Nitrotrihlorom*th*n, eee Chloropierin......... -- Nitrous orid*................ F Ocuchloronaphtheiene --Skin....................... smm "Oetan*........................... 400 Oil mitt, pertieulnt*___ Oil mist, vapor.............. Oemium tetroxide..........0.0002 Oxalic acid.................... Oxygen difluoride.......... 0d8 Oeooe............................ 0.1 * Ptrxflln u fume........... Paraquat--Skin........... Penthion--Skin.......... Pentebonne.................. 0.008 PentAchlocoaephtheJeoe --Skin....................... Pentachlarophennl --Srin....................... Pentaerythritol.............. * Pentane......................... S-Pentenone.................. -- sou aoo Perehktoethylene......... 100 Ptrchkmmethyl mercaptan.................. 0.1 Perchloeyl fluoride......... 3 Petroleum Distiilntes (nepbthe).................. **B* Phenol--Skim.............. Phcnothtaeias -- Skm... 5 -- p-Phenyieae diamine -- Skm........................... -- Phenyl ether (vapor).... 1 Phenyl ether-Oiphenyl mixture (vapor)......... Pbenylethylen*. see 1 Styrene...................... Phenyl giyeidyl ether (POE)....................... 10 Phenylhydrasta*--Skin. 8 C Phenylphoephine........... 0.08 * Phorate(Thim*t*)--Skin --m Phoedrio (Mevinphoc)* --Skin....................... aoi "Phoegene (earbonyl chlo- ride)........................... 0.1 29 2 230 90 90 A* 30 one 0.1 1500 y> 0.002 1 0.1 0.2 05 Od 0.1 0.01 Od Od E ldOO 700 70e 0.8 14 -- 19 5 0.1 T 7 <0 33 0.38 0.03 0.1 0.4 See * f le ell aetee <gmp DUP 0960118 ,4 - ' X' A- m 'A3fl CONFIDENIlfii P DU 040428 mmm r,j-t*r ~tr T 83 o l-i- S. amu mi mis See* 3ev Jen IC7S TH8WHOW UMIT VAIUIS OS AK.SOINg CONTAMINANTS 111/ -------------- --- fefecNmca TAIU i - aooptto VAUIO (CONTO) ppm- mg/MI** mg/M * Hexaehibreoeeyelopenttdiene. \................... Hexachloroc thane-- Skin....... \............... Hexaehlorotiaphthekne --Skin........ .............. 0.01 1 0.11 10 0.3 C -Manganeee and com* pounds, aa Mn........... * Manganeee cycloponta- dienvi triearbonyl (as Marble. Htuhuoroteetoeuk....... 0.1 n.r Mercury ' Hexane (n*hexane>.\___ soo 1.500 2-Fcxsaooe too 410 pounds) --Skin.. 0.001 Mercury (All foi ex* Hexooe (Methyl irobu'fyl cept alkvl).. ketone)................... 100 410 Mesityl oxide. 23 sec-Hexyl acetate___ Hydraxine--Skin___ V \I 300 1.3 Methane___ Methaaethiq?, see Methyl F Hydrogen................. . F mereaptad.................. -- Hydrogen bromide.... 4. 10 Mctboxyjtiior................ -- C Hydrogen chloride.... 5\ 7 2-Methotcycthaaoi--Skin Hydrogen cyanide-- (MgOiyl ceiloaoive)... 23 Skin....................... 10 \ " Mettfyl acetate.............. 200 Hydrogen fluoride-- 3 a Mpthyl acetylene (pro- Hydrogen peroxide. l i'A /pyne)......................... 1.000 Hydrogen aelenide......... 04)5 Q /Methyl acetylene- Hydrogen culflde........... 10 1S*\ propadiene mixture Hydroquinone............... Indene........................... Indiunu and compounds, aa In........................... C Iodine............................ ** Iron osde fume............. -- 10 -- 0.1 -- X2 (MAPP).................... 14)00 45 Methyl acrylate.--Skin. 10 Methyl acrylonitrile -- 0.1 Skin........................... i 1 Methylal (dimethoxy- (10) methane).................... 14)00 Iron pentaearbonyi....... 04)1 0.08 Methyl alcohol (metha- Iran ealts, eoluble. ae Fe. -- ool)--Sian..................... 900 Iaoamyi acetate............... 100 MethyUmine.................... 10 laonmyi alcohol............. 100 Methyl amyl alcohol. me leobueyt acetate............. 130 'Methyl ieobutyi earbi Isobutyl alcohol............. 100 / 300 nd. Iaophorooe.................... (25).f (140) Methyl 2-cywoaerylete. 2 Isopropyl acetate........... 2SO/ 930 laopropyi alcohol--SUn. 980 MethyHaoeayi ketone.. 100 Methyl "(n-omyi) ketone laopropylamina............. z$ 13 (2-Hepthnooe)........... 100 laopropyiather............... 14)50 Methyl bromide--Sion. IS laopropyi giyoidyi ethars Methyl butylMwtooe. m (IGE)..................... / 30 240 2>Hexanone.\........... nee Katene................ .. Lead, iaorg* hum and dnata.......................... Lead imuir/........... Limestone. ............. Lindane................. Lithium WFdride............ 04 _ roam -- -- L.P.G. /liquified petroleunrgaa)................... 14)00 E 0.9 0.154 0.15 E 0.5 0.023 I.SOO Methyl celloeolmr-- 81ria eee 2-MethoxyethanoL Methyl edloeoive estate -- Skin, see E glycol monometh; ether acetate......... Methyl chloride............. Methyl chloroform Methyicydohexane Methyleydohexaaoi.... o-Methyieydohexawone- 100 Mocgriite. --Skin....................... -Magnesium oxide fume.. -- Methyieyeiopentadienyi rclnthion -- Skin......... -- manganese tricarbony! laleie anhydride........... 0.23 (aa Mn) -- Skin......... 0.1 0.1 E 0.01* 0.03 100 10 ,,80 010 1.030 1.S00 35 3 3.100 900 12 8 475 455 50 e 3 fe# ell Newe DUP 0960119 DU 040429 175 LtJ Q U'.. O O i-i SB: S O' Sill Ne lev Jan 1975 *1 THIISHOU) UM1T VAIUU Ol All-IOINC CONTAMINANTS s2T fluhelancc UILC I - Aoomo VAIUU (CONTD) PPm- /M*** flahweime MlW 04 Phosphoric arid............. Phosphorus (yellow)___ Phosphorus pentachio* rid*........................... Phosphorus pcntasulfidc. Phosphorus trichloride.. 04 Phthalie anhydride........ 2 Picric acid--Skin......... Pival* (2-Pivalyl*l, 3* -- indandione)................ Plaster of Paris.............. Platinum (Soluble Salts) as Pt.................. ......... Polychlorobiphenyls, see Chlorodiphenyis......... Polytetraduoroet hylene decomposition prod* ucts......................... C Potaanum hydroxide. Propane.................. F 0 Propioiactooe.. .Vi*... -- Proparxyl alcohol Sirin. 1 n*Propyi acetate:.......... 200 Propyl alcohol--Slda... 200 n-Propyi nitrate............. 25 Propylene dichloride (1, 2-Dichloropropaae)... 75 Propylene flyool mono* methyl ether............... Propylene imine -- Slda. Propylene oxide............. Propyae. see Methyl* acetylene.................... 100 3 100 -- Fyrethrua..................... -- Pyridine......................... 5 Quinene......................... 0.1 ROX--Skin................. -- Rhodium, Metal fume and duets (asRh).... Soluble aahe........... Roaael........................... -- -- -- Roeia Cere Solder, pyrolysie products (aa formaldehyde)............ Rotouano (commercial).. Recife............................ mm -- -- Selenium compounds (aa la)............................ lelsnhma hexafluoride... Serin* (esc Carbaryl)... -- 0.05 -- Silane (see Silicon tetra* hydride)...................... Silicoo............................ fillfrryp ............... -- -- -- 0.4 1 0.1 1 1 3 12 0.1 0.1 E 0.002 -- 2 A* 2 540 500 110 350 300 5 340 -- 5 15 0.4 14 0.1 0401 10 0.1 5 04 0.4 ---- -- E E Silicon tetrahydride (Silane)...................... 0.9 Silver, metal and soluble compounds................. Sodium fluoroaeetate (lOflO) --Skin............. **C Sodium hydroxide......... Starch............................ Stibine........................... Stoddard solvent........... Strychnine..................... 0.1 200 Styrene (Monomer) (Phenyl ethylene)___ 100 Sucrose........................... Sulfur dioxide................. 5 Sulfur hexafluoride........ 1,000 Sulfuric said................... --m Sulfur monochloride.... 1 Sulfur pentaflueride....... 0.025 Sulfur tetrafluoride........ 0.1 Sulfuryl fluoride............. 5 Systoz. ate Demeton*... -- 2. 4. vr......................... Tantalum....................... TEDP--Skin............... m -- Teflon* decomposition produets..................... Tellurium...................... -- mnce Tellurium hexafluoride.. 0.02 TEPP -- Skin............... 0.004 CTaephenyte.................... 1 1. 1. 1. 2-Tttrschk>ro-2, fedifluoroethaae......... 500 I. 1, 2, 2*Tetraehlerol, 2*fluoroethaae......... 500 1,1.2.2*Tetraahiom> ethane--Slda............ TetrscUomethyiaae, see Perehloroethylene.... 5 Me Tetrachlorooethene. see . Carbon tetrmehioride.. MS Tatrmchloraoaphthaieae --Skin....................... Tetraethyl lead (aa Pb) --SUn....................... sen Tetrnhydrofumn........... 200 Tetrametbyi lead (aa Pb) -- Skin........................ em Tetmmtthyl euoeiaoni- trile--Slda................ 04 Tetrsaitrometham........ 1 Tetryl (2,4,6> trinitrophenyl* methyinttramisr)-- Skin........................... -- 0.7 0.01 0.05 (2) E 04 1.150 0.15 420* E 13 6400 1 6 045 0.4 20 10 5 04 Bl 0.1 0.2 0.05 9 4,170 4.170 35 -- _ 2 0.100"* 590 0.150*'* 3 8 1.5 Im # 5 9m DUP 0960120 DU 040430 S 2V 13 THIIIHOia UMIT VAIUIS OP AIMOINI CONTAMINANT] AMU mi 1M N Iw Jaw 1973 TAU 1 -- AOOPT1B VAtUU (CONTD) tml mt/M** |/M Thallium (aoluble coo* found*)--Skin (eTl). Tbirmm*........................ T"m (inorganic eom- ftounde. except SnH* tad SaOi) u Sn......... Tin (organic compound*) --Sirin (uSn)........... Till oxide....................... Titanium dioxide............. Toluca* (toluol) -- Skin. C Toiu*n*-2,4- tliiioeyanate............... -- -- -- -- -- 100 0.02 o-',roluidin*.................... 9 Tcxaphene. cm Chlori nated eampheae......... Tributyl phoiphat*....... I, 1. 1-Triehloroothaac, ne* Methyl chloroform. 1, 1, 3-Triehlorothaa* -- Skin....................... 10 Trichloroethylene.......... 100 Trichloromethane. i iZhlorofona................. Triehloroaaphthalaae-- " ISon........................... -- 1,2,3-Triehloropropaae. 90 1. 1, Z-Triehloro 1. 3, 3trifluoreetbane........... 1,000 Tiiethyiainiaa,.............. 29 Tiifluoromoaobromo- aathantu.................. 14X30 Trmethyl beeeene......... 39 2,4, VTrinitropheaol, m Plato acid.................. -- 2, 4, 8--Triaitropbanyi- scthyinitmaiac. me Tetryl........................ * 0.1 9 2 0.1 E 3754 0.12 22 5 " 43 939* 9 100 7.900 100 MOO 120 Trinitrotolucn*--Skin.. Triorthocruyi phoephate.:.............. Triphenyl pheephat*___ Tungiten k compound*, aiW Soluble................... Iamlubi*................ Turpentine.................... Uranium (aatural) *oluble k iaaoluble oompound*, a* U.............. 0.2 -- woe -- 100 -- U 0.1 3 1 9 980 0.2* Vanadium (V*Ot). a* V Duet........................... 0.9 O Fubi Vinyl acetate................. -- 10 0.05 30 Vinyl beneeae, eee Sty- rM........................... an* Vinyl bromide............... 280 1.100 ** Vinyl ehloride (See Table 3 end hi neu r)T Viayicyaaide. ** Aeryionitril#.............. we Vinyl toluene................ 100 490 Warfarin....................... Wood dun (aoaaliergeaie)........... Xylene (xylol) --Skin.. XyUdin*--Skin............ Yttrium......................... -- 100 9 ____ 0.1 9 439 28 1 Zino chloride fume....... Zinc oxide fame............. * Zino neerau.................. Ziroonium eompouada (aaZr)....`................ ene -- 1 9 E 9 tn See * I far *11 eeeee DUP 0960121 REV. * DU 040431 imw ajH:B^;igf.iiaBBlMESiaM3 ^amui i**i IS TWt Ns he Jew 1*79 maiJHoio umit vaiuu OP AIMOtNI CONTAMINANTS *2V 5 o uT t PhosphJ Phoapborh add Phoaphorum/yeUoar)___ Phoephdrua^entAchloride.. A .. X Phoaphorurpennttulflde Phoaphorua trichl Phchaiie anhydride Picrie add--Skin..' Pivt (2-PlvaiyM. indandione)........... Planer of Parie............. Platinum (Soluble Salta) aaPt........................... Polyehlorobiphenyie, im ChlorodiphenyU......... Polytetrafluoroechylene decomposition prod* ucta............................ *C Potaarium hydroxide-- Propaao......................... 3 PiopioiaetoM............. Propar*yl alcohol--Skin. a-Propyi aoatate............ Propyl alcohol--flkia .. a-Propyi aitrata............. Propylene diehJoride (I, 2-Dichloropcopano)... Propylene tlyool mono* methyl ether.............. Propylene imiae-- Skin. Propylene oxide............. Propyne. see Methyl* acetylene.................... Pyrethrum..................... Pyridine......................... Quiaacu........................... RDX--Sirin................. Rhodhun, Metal fume and duett (aa Eh).... riuiutila mitt... RonneL.................. Rosin Core Solder, pyrdyria ptoduqpi (i formaldehyde) Rottaoee (oomijfraiil).. Roma Selenium e panda (aa 3e) Seienli S yiee Carfaaiyi) S *ee Silicon tetra* h/mde)..................... SUfoon........................... [boon carbide............... TAIU 1 - AOOeTIO VALUfS (CONTB) mt/m Suhetmeo 0.3 0.003 * Silicon tetrahydhde (Silane)...................... Silver, metal end soluble compounds................. Sodium Auoroaeetate (1080)--Sirin.. *C Sodium hydroxide.. Starch.. Stibine.................. /.... 0.1 ** Stoddard advent /.___ 200 Strychnine. Styrene (Mong (Phenyl eth. Sueroae. .../ Sulfur dignde. Sulfur! Sulfu Sulfgf mcoocfcloride.... 1 Sulfcr peatafluoride....... 0.023 'ur tetrafluoride___ uifuryl fluoride........... Syatox, aee Demeton*... 2. 4, 5T......................... -- -- Tantalum...................... TEDP--Sldn............... -- -- Teflon* deeompoeitioa produete..................... Tellurium....................... -- -- Tellurium hexafluoride.. 0.03 .TEPP --Skin................ 0.004 CTerphenyla 1 t.vl. 1. 2-Tttr*chIaro2, 2*iifluoroethane......... 300 1, l.'Z 2-Tetmehlonvl. 2-dlAjoroethane.......... SOO 1,1. Z ^Tetraehloco- ethane X Skin............. Tetmehlorolthyleae, mm PerehloroetJyriene.... Tetnehloromethane, aee Carbon tttraemorido.. Tetreehloronaphthako# --Skin............. X... Tetraethyl lead (ea Rb) --Skin....................\ Tetrnhydmfuran........... \ Tctnmcthyl lead (aa Pb) - --Sldn....................... Tetramethyi auccinoni- trile--Sldn................ Tetranitromethane......... Tetryl (Z 4. - trinitrophenyl- methyinitraaine) -- Sica................ .......... 10 5 OJ B` 0.1 0.2 0.08 9 4.170 4,170 33 0.100"* 500 0.130*'* DUP 0960122 DU 040432 CONFIDENTIAL AMIl 1741 7 TMa begs lav ion 1975 THRISHOID UMI7 VAIU1J Ob AlI^OSNf CON7AMINAN7S J 2T Natea, Table 2 7ASII 1 - MINIIAl DUtn' * 1974 Addition * Soo Nin of Intended Changes for Mineral Dune. Teble 4 tt A nan Mutant TLV for eroetdolita may bo required bsstnstse: (0 MUUana of partielaa par cubic foot of air. bread on impingtr aamplae eouotad by light-fidd tachnkr. (J) The percaaiaf* af qBJru in the farmala ia the wnouru determined from airborne ramplm, except in thaaa inctaneae ia which other method# have born drown to bo applicable. (k) Both concentration and percent quarts far the application of Uric limit are to be determined from thr fraction paaemg a tisreeieetor with the feilewing charactenrtia: Aaradynomic Diameter (/am) (Unit DoaaMy Sphere) % baiting Selector <2JO M Si> 10J0 40 . 7S SO 25 0 (l) Containing <11% quarts: if quaru content >1%. aaa formulae for quarts. (n) Ac determined by the membrane filter method at *00-450 X magnification (4 mm objective) phaae cun treat iliummotion. (p) "Beopirable" du aa defined by the Britiah Medical Raeaarch Council Criteria (1) and m templed by a device producing equivalent tucuiu (2). (1) Match. T. E. and Grata. P-. Pulmonary Dapodiioo and Reuniion af Inhaled Armenia. p 149. Academic Pram. New Yerfc. New York. 1944. (2) Interim Guido tar Bmptrable Mam Sampling. AIHA Aeraaol Teehnoiagy Committee. AHIA J. 31: 2. 1970. p 1S3. Sehatamco SILICA. SO* CrytUtivu Quart* TLV in mppd: X0> % quarts d- 10 TLV for tsspirabls dust ia mc/m1: 10 mi/m'** % Basptrnbl# quarts + 2 TLV for "tool dart." nmptrsfalo aod aonrmarabla: 30 ntf/m' % quarts + 3 CriatobaUte........ Uss oao-half the value eal* tulatod from tha sent or maas formulas for quarts. TridymiU Urn ona-bslf tha value raleulstad from formula* for quarts. SBoa, fused Use quarts formulas. Amarpk*ju.......................................... 20 mppef0 SILICATES (< 1% quart*) 'Asbestos, all format 5 fibers/ee > 5am in length*1; A" Graphite (natural) 15 rappel Mica `Mineral wool fiber Perlite Portland Cement Soapstone 20 rappef IQ rag/m* 30 rappef 30 mppcf 20 rappef Tale (nonasbestiform) 20 mppef Tale (fibrous) uae Asbestos limit. TrtmoUto. me Asbestos. TrisoU, use respirabU* mass quarts formula COAL DUST (bituminous). 2 m*/m' (tsspirabls dni^frao- tioo < 5% quarts). If > S% quaits urn tsspirabls i formula. WMAMCf PAtTKMATiS (ms Appmdw E) 30 a.p.p.0J. or 10 mg/a*1 of total dun < 1% quarts Convtnioo factors mppef X 3&3 " million particles per eubie meter - partidM per e.e. T Tabic 3 valoea are mmI io ar lower 1ware restrictive) then dtece ptewulaattd oodar 0SHA par 1710.97, and 1710.77a. 0UP 0960123 i REV. MAY__ 55__ DU 040433 s2r THUUHOIO LIMIT VAIUIS OP AIC.BO*NI CONTAMINANTS AWL IHt ThjePite law Jan !T7J TAIll 3 - NOT1CI Of INTIN040 CHAMOIS (FOB 1974) Them with (hair cortmpoadinp velum. compriae thorn foe which aithaa a limit ha baa* pcopoaad far (ha fleet time. ar for which i chaaipr ia tha "Adopwb" liatinf hm bam prepared. (a both cmea, the prepared Uauia thaoU ha eeneidered trial liniu that will rannia ia tha liatiaf far a period of at lamt two yuan. If. afmr two roan aa aridanca emo to li^it that quatiiaaa tha appiopriatancM af tha valuer harem, tha vijum will ha reeoandarad for tha -Adapted" liat. Doctaaeataiien it available far aach of thorn mhetamaa. Natoa far Table S Cipitai latmra refm to Appaadiom (Except far "C ihewn to tha lari af rahataarea in Table S. Thie iadkataa bc.u tar that raiatanca ralau ta Cailinp Liaaita. Saa 42 aad 424 for diacumee.) * 19T4 Rariaiaa or Addition (a) Parta af ripar er pm par miiUea parta of eeotaainatad air by volume at 2S C aad 740 aua Hf premure. (b) Approximate ntUlipnma of atthataaca par cubic matar af air. (a) Baaed aa *Wi*h voltaue" aampiinp. P +' ' u fubatanw * .manic, inorfanio com pound! (aa Aa)............. -lkoaaoa--31on............... 10 * Butana............................. 600 * ti-Butyl alcohol............... 60 * n-Butyl Iaouu................ 5 * Cadmium duata k aalta... C Cadmium oxida turn___ - Calcium cyanamida....... * Calcium hydrsada.......... -Captan............................ -- -- -- -- -Carbofumn...................... Carbon tatrabrotsidt....... 0.1 Catechol (Fyroaataebol).. 1 Cerium bjrdrnada........... -- Chlorodiflaoromethane... 1000 Chlorpyri/aa (Duraban*) --Skin......................... fChlctowymm.............. 60 2*ChIoro*6*itriehloro* matbyl) pyridina (HStrvw*)........................ Cloptdol (Coydtn*)......... Copper fume................... -- -- C'rufomate (Rualana)*. .. -- * Dioyaiopaatadiaaa........... DicydcpentadianyfiroB... Diathyipbthalata............. 5 -- -mm * Dimethyl aulfata--Skin.. 3,5-Dinitro*4oluAAudo (Zoalena*)................... * Diauifumm...................... 2.6-Ditert. botyt-p-erreoi * Dyfooatn........................ -- - -- *C E thyleoa cblorohydrin -- Skin.............1............. 1 * Fenaulfothlon (Damait).. -- Forraamidt...................... 20 *C G lutaraldehydo............... 2 mf/m** 026 30 1.460 160 29 0.0* ao as 2 9 aio 1.4 42 a 3600 Out 289 10 10 02 9 30 10 9 A* 9 3 10 0.1 3 0.1 30 t 3* tliri * Irtitmtt ww* */*' *C GtuUraldehyda (Alkaline activated).................... _ 02.3 - Heptane.......................... -Hexane........................... - Hexylene glycol.............. - Hvdroeenatcd trrpfaeiyie 400 100 29 a4 1.000 301) 129 4.4 - Iodoform......................... 02 Iron oxide fume.............. a* -laobutyt aieohol.............. 60 32 9 ISO -taooborone...................... 9 25 * Metnytcyelohasana......... 400 1200 -Methylene chloride (Di- chlnromethaae)........... 100 * XiakeLaoiuhlamita (aa Xl> -- -Nonane........................... 200 -Octane............................. 300 - Pentane........................... 600 *CPhoa*tse........................ 0.08 Pleioram (Tordon*)........ -Recorcinol....................... to ..................... 0.1 C Sodium hydroxide........... -- 360 04 1230 1.460 1200 02 10 46 02 22 -Stoddard Solvent............ too CSubtiliaina (Protoolytie enxymaa aa 100% pure 679 eryatalHne ensyme).... -- 0.00006' -Suecindlaldchydo (cm Cbitamidafavde)........... -4.4'-Thiobia (6-tart butyl* tn-creeoi)...................... *emm Trieyeiobexyttln hydrox 10 ide (PUctran*)............. 9 -Triphanylamina.............. -- 6 - Vinyl chloride..................Pending Au Vinylidane chloride......... 10 * Welding fumea (Total Par* * tieuiata)....................... -- - a*Xyleae.aa'-DUmiae... -- 40 5*B 0.1 nn, 5 Mm 4<iim 9 I) "mump* o o o 5 PUP 0960124 r' DU 040434 . _St + tl AMU. 1*41 IMa fage fiev Jan 1*75 THdSSHOlD UMIT VAUIIS Of AIMOINI CONTAMINANTS S 2T Nh IS TAtU 4 ~ NOT!Cl Of INTINOID CHANOIS PM 1974 - MIMHAl OUSTS Netea far Table 4 * 1914 Addition (P) "Rp4fkta" Am aa defined by the Bntiih Medical Raeaarcb Council Criteria (1) and aa templed by a device predating eqerralent result! (2). (1) Hatch, T. E. and Gram, P,, Pulmonary Oapoailioa and Xetantion of Inhalad AeraeeU, p 149. Academic Prw. New York. Now York. 1964. (2) Intanni Guide for Aaaptraila Maaa Sampling, AIHA Aaroaol Teriiwelogy Commiac*. AHU J. Hi 2. WO, p m. _____________________________ Sabctenca Diaiamaccoaa tank (Natural, uneaidnad) 0.1 mg/m* nv Silica near tin taapirakle ^ maaa formula for quaru U_J Q uu 3 -3 A 2 I > LU C TAM I - ACCIPTAttl TIV (TWA), CBUNO AND MAX CONCtNTtATlONI Malarial and Maranoad ANSI Standard* Brszrar (ANSI Z37.4) HUryliiua ad tayUkn (7VT 901 C*4ak>a turn* (2373) Cadmium dual I Z3*j) Cnrkoa diauifido(Z37J) Carton lairacklorido (2137.1") Eihyltae dibramidc (23731) Etkyloao dicklorida (Z37J1) Formaldehyde (Z37.16) Hydrogen Quaride (ZS13B) Flnarida aa dual (237J$) Land and ka mcrgaaii mmpaaade (Z37.ll) Methyl chloride (Z37.ll) Metfcyfone aklnrida (Z3733) Organa (alkyl) mataary (Z37J0) Styrene (Z37.15) Triahiarartylaaa (237.19) TatroaMarortkylane (Z37J8) Teioaar (237.13) Hydrogen aalAda (Z37.2) Marouy(Z37J) Chromic acid aad ckrommm (Z37.7) TIV (TWA) AHeerllaro Waigktad Avereae 10 ppm WM* O.l mm/Ma 0.2 aeg/M* 20 ppm 10 ppm 20 ppm SOppa. ifPm *PPm 23 mg/M* 03 mg/M* 100 ppm 500 ppm 0.01 mg/M* 100 ppm 100 ppm 100 ppm 100 ppm Amaptahia Coifing MUCVnin--i*l1M-- --! 25 ppm 5ft g/M* OJ af/Ma 0.6 mg/M* 30 ppm 25 ppm 30 ppm 100 ppm 3 ppm 200 ppm lOOOppm 0.04 mg/M* 200 ppm 200 ppm 200 ppm 200 ppm 20 ppm 1 mg/10 M* 1 mg/10 M* Acceptable Manmum Peak Above dm Amaptahia Catling Canaantradan for an AHear Shift Menmum WiMlfifrVIlin Duration 50 ppm 2Sug/M* 10 reiauiaa 30 mmuiaa lOOppm 200 ppm 30 ppm 200 ppm 10 ppm 30 minutaa 5 mia ia aav 4 hr S MMMtCI 5 mia ia any 3 hr 30 miaulaa 300 ppm 2000 ppm 600 ppm 300 ppm 300 ppm 500 ppm 50 ppm 5 mia ia aay 3 hr 5 mia ia aay 2 hr 3 mia ia aay 3 hr 5 nia any 2 hr 5 mia ia any 3 hr 10 miauireence/day 10 miautta ancr* * 10 mJaalm anat only U aa other maaaarakla rapantro eeaure 4 Cotaaacu alandarda rafaraeaad in OSHA raguiadeaa by iaaaa dam may am bo the late* abide*. However, it la Campaay praadae la am far reformaa iba anmal adikaa ot aanaamiaa amadarda. Panlane related la rad neat or aaaaad OSHA reguleriaaa par 1910.93. + i> Up 0960125 DU 040435  vPaha <i mtUHOlO UMIT VAUJIS OP AILtOINR CONTAMINANTS APRIL 1U1 TMo Papa lvv Jn ipy/ \ APPRNOIX A Caraiaafeaa * Tha \mneitee lieu bciaw thaw tubnancat in APPINDIX I / Palytalrnfluaraethylana* OeeanipeaiHeM Pred* uctc. Therm*1 dacaatpoaitian of the flnaroeatbon indunria! wi'diat hove enrrtn cireinoftnic in mu. or hnt inh*eed''Mncar in anuneia under appropriate rxperimintal eaaiitiaaa. Praaaat listinf of thoaa ubttaacia earcinofania for aian takaa three ftmu. thoaa chain in air lead* to tho formatlory* of oxidiard product* eontaininf earbea. fluorine tad esypen. Beeauar thaaa pradneu daoompeea ia part by hydrolytic in alkaline aolucion.fhy can ba quan for which a TLV haa >een aaatpied (la), thoaa far which titatively datanaiaad in air aa fXtarida te provide an environmental eaadiuana have not been aafitiaatiy inda af eepotere. Me TLV irraoommantled petvdinj defined to aapi a TL^ (lb), and le, thoaa whoea decarwiaatiaa of the toxicity af the producu. but air reiaeipmieat af a TLV ia eqiidxf mere definitive data, coneentntiona thoald be Rapt below the limit of tan. and hanta haaId bo traaattaaddN\au a tb caarmatiaefta. aitirhy af tba analytichaethed. > 90 la Hataon Cordna*anaat --- Sab^nftancaa raeofiiaed aa acctqiatieaai caretaafnu withSn aeetyied TLVt Athcnaa, all forma, S fibcrc/cc^fnia in lanftb bia (Chioromcthyl) ether. 1 ppb.\ Chramataa. certain inaohtbie fbrmev.(Pb. Zn. and chnanauehraaiita are. lOOMf/nt1. aa'Cr) Caal tar pitch valatilca 200m Mickd carbanyi. 1 ppb \ \ N lb Ham an Cnrdnnfmc - Subatinew kaaanTqn ba patent ncaapatinnal carcinofna withant an tatifoad TLVt \ 4-Aiaiaodiphenyt (^Xanylamina) Baniidlna ft iaa taha beta-Maphthylaaiiaa y i-aitredipheayi B* OatsUna. The compaaitiao af puoiina varim freatiy and Ihua a ample TLV for all typaa of lhaoe matcriaia ia no lanpar applicable. In finerai. the aromatic hydrocarbon/conwot will daunaiaa what TLV appiiae. Comequently. the contant atf beaaone. other aramatiea/ud addhivw ahouid he determined to arrive ad the appropriate TLV (Elkina, at ah A1HAJ 24: M/IMS). / B* Pefraletrta Dlatllletes. For pwrolaom diniilatte for ywhieh no pacific TLV'a era lietod. appretimata /value ean ba abtoiaad by aaa af the (aHewinf y equeaiant \ TLV - CONFIDENTIAL le Meenntan Cardaefoae reeaaifnmeat af TLV batanaa af recently dJcgaittmd caraiiMnnaiity. Vinyl dilcrlde. TLV ;etH>( For he nthataneea in lb. no mpoaara orsealed by any rente, rroptralary, thin ar ami. aa damttad by tho moat aanativo tnarhode, dull bo parmittedf "ft# mpaenra or contact* eaua harmitianf the proaeal er epentieh by the boat prtorienble ettftaaariaf ataando. Tho werhar thauid bn paapaaly equipped ta> enema rinnatty an contact with tba cardnopan. / RtpeAnndal ffoctlaeponi -- Udnanritd i feund to ha capable afdhadnainf i periaaantai aonaUtianybi anintoln Baryilhaw (TLVt lift wffm1) 3. T-DiahlsaobamidbM Dimethyl mXaa/ Ethyimohnha^' 4. V-Mathefcne Mo (T Otlarauillna) M-Niirtaiat nwlhylimilna bau-Pyinaalaetooa Far lba above. eeiehiir eapaewn by all cent ba carjMiy controlled in levail aandatmu with the mumdt tad kaaan aeparianaa data, aaaapt tar aalWiaen with * liatad TLV. /Trade Haaoar Aljahan, Phma, Helen. "Tefiee," T. /1 Alee are diaaualm la 24 %A1 3.6<20O-B.P.*C.) 20 RAr !*4<200-ftP.*C) * 10 and where \ Al AUphaOq eawpawant Ar a Aromatlo'-inmpenmt B.B. " Main Woiilip poiat intlayiai mntifmda (normally 'the SOMdlatillatiea tarnparanna). \ The equalten cannot be weft if tba benaane aaawet of tba fraction maaada 1M. ad^ if tba aaon bailinf pahn ia above 200 C h It may elao lead to error if there aanVvpi amatbiu of Hauna at eyelahauae tat the diotilliala. If the awtitntltr wei^t (avcraft) it aanuava for the mixture, it era ba appmximatad by the SfUaariaf equation '.C)^\oo M.W. . MAI + OJOMAr DUR 0960126 w m n u tiv ilA L P ATMNDIX A IHIUHOIO LIMIT VAIUIS or aiuoin! CONTAMINANTS AMU If* | Thl >H > Jon 107t APPINDIX Cw^Mum B1 dalytattafluaraatkylana* Dotempeallian Trod- The ceouaittae tiff* aaiew Umh aabauncaa in cat. Thermal dacom goaitiaa af tka fluorocarbon induitnal u*e th* haao paavaa awcraogenie > nun, #c ehain in air laada to tka formation af aaidiaad have induced onctr la aabaaia aader tpproprhta predueta containing oarbon. fluorine and oxygan. experimental coaditioaa. Praaant liitin| of thaat Baeauaa tkaaa prodacto daaompaaa ia part by aubetincea eaieina|tnie for aua tafcaa liiraa form, thoee kydroiyaia in alkaline relation, they eon be gain- for hieh TLV baa been aaagiad (li), thaat far whieh titatively detanainad in air aa floaride to gravida an aavitaaaiaalal oanditiana kave aat kata tufildeatiy index af capoaore. Na TLV ia lacaauaaadad pending dtfjnad to aaaign a TLV (Ik), aad lc, thoat wheaa datarmiaatiaa af tka tonicity af the prodacta. but air raaaagnmant of a TLV it awaitiag aaara deftnkiva data. concentration* ahould bo kept kaiaw the limit of tan. td Imca ahaald bo traaiad aa a lk carriecgm aitnrity af the analytic method. la Human Carainogaaa - Snkttaneaa racogniaed aa taxational carainociai with aa aatigned TLV: Aabastaa. ail forma. S fibara/ac>S*ai ia icngtb tia (Chieremethyl) aihar. 1 pfh Chraautaa. aartaia iaaoiabie beau (Pb. Za. and chramBta<hrBaiiM arc, lOOug/m1. * Cr) Coal tar pack velatila SOOug/m1 Nickel aarbeayl 1 ppb lk llaaaa Carainogeaa -- Suhatanaaa haown to bt paiaat aaaapatiaaal aarctoagma withaat aa aaaignad TLV: d-Amiaodiphflayi (pOCanylamlac) laanidiac 4 ka aaka batt-Waghthyltkia A-aieradiptMByt 8* Oaaollno. Tka aaaipaaHion af[guolint variaa partly and that a aingU TLV for ail typaa af tkaaa tnalcriala ia aa longer applicable. In giaoroL tka aromatic Hydrocarbon aaatoat will datanalaa what TLV appiiaa. Conaaquantly. tka aonteal af baaaaaa. athar araaaotiea tad addhivm ahoald bt dataratinod to arrive at tka appraprirtc TLV (Elkina, at aL AIHAJ 24:W, IMS). B' Patralaum DlrtUlotea. Far petraiataa diatillatai far which no (pacific TLV'a are Urted, approximate volaaa caa he abtaiaod by toe af tka foUewtag (Haitian: 100 TLV - **r la Naaua Coralaagaaa -- Sahctaaaa awaitiag waalgtatat of TLV baaaaaa of laaaatty dlaaavared atraiaaaaaiaity. Vle^l aUarida. TLV grading Far lha aahataaaaa ba lk. aa eapaaon ar aawtart by any nnaaa. mepiratory, akia or araL aa dataciad by the oat amaWve aaathada. ahall ka prnmittod. "No aagaaara ar aaa lart" Maaa kawiitbaag tka gcocaaa ar agaratiaa by tka btat gtaaiiaabla angjaatiiag atbada, Tka warinr ahaald ba piaparly agalppiad aa aaaara tbaally aa aaatari wfch tka aaiajaagan 3 trporimoatal Cardnagaaa laMd aakataan tmmd to ba aagaklo ad I pariamntal aaadWaaa ba i StryUiaan (TLVi 0403 mf/m*) V r-Dkhiarahiauidbia Dimethyl i MAI 1A<:00-!LF.*C) SO MAr 1J(200-B^.*C.) 10 A1 Ar < Aramaic i BJ. * Maaa bolllag paiat ia lipm centigrade (aaraially the 109b diatillatiaa The agaatieo cannot be aaad if the baaaana aaataat af the frattiaa atroadi 1%, aar if the moan boiliag paiat it ahova 300 C 4. 4'-Metbyiaae bia <1 CMoraanlBar) W-NiMilpiukylmki boo-Pnulalaiama Fia da above. apeckar aapaatara by all ba aa*daily aaataallod to lavala aaariawnt whk tka It aaay alia load la anar ifthan arc larga i haaaaa ar ayalchaiaac ia tl ntaaf If the aaalacalar wei^tt (avaraga) ia aat known for tho aaiaawt.itan ha ^pntkaand by thofallowiag wkmaaam witk a ltaed TLV. * Traia Nami Aigallao. Floaa, Haten, "Teltaa." Tanan 4 Aloa aoa diaauaalaa la 14 M.V. - MAI y OJOMAr * OJfBJ.t) - 100 DUP 0960127 DU 040437 iv iiN ja u N o a AWl * Erie fugo *tv low 1T7J TVUMHOtO UMIT VAIUU or AIR.fORNC CONTAMINANTS JT >n 17 i B* Welding feuiee - Tottl Particulate S ag/a* (N.O.C)*) In oioctric er ny-pi welding of iron er rteel, iron or tluminiaa. the chief eoaponeau of tho fame arc ordinarily oxida of iron, tine or dominant. Otha faonee. oo well eo totie pea may bo pmeant in eignifieant amouxu. however. Manpnoeo, silicate and organic bindara are eemaenly praecM in the eoeiiap of wdding redo for ferroue aetata: fluoride in thoae far duainiat. And dementi aoah aa arenaic, aoppar. are aonratimaa found. Many aluminuna rada aontain appraeiabio quantdiaa of eilicnn, and aoow have tneoa of beryllium. In ahiaidad are addeif ooono ia oftan brand. and earbaa monoxide baa been reported when COj waa atiliaed aa ahieid gae. Oxidee of nitrepm arc mere Ukdy a ba aaodaod with exy.fae than with aiactrie ate welding. Became of the additional hand aroatad by tonic pace and traeae ta entail ameimu of Anna of more tonic duneati. tho total hunt concentration. whan weidinp iron, aild etoal or ahaainan. ehonld not cl oned S ag/m'-an the braathiap ana of tho welder or othen in the aroa. Ha Anna ban atoinlaa (teal, cadmium. or load* ooatod ataal. and other aatala each a capper and nickel are eoneiderabty aore tonic and oo. aaatratiano ahonld gmardly ba kept a a tower level, depcadinp on tho TLV'a of tho aatala involved. In addition, in the ahiaidad an welding at dumiam. relatively large ereanna ef aaana BIT bo patented, and the acitcontnaioo of thia pi aay largely deteraine da haaith haaard. APPINOIX C Ihroahald Uait Vnhraa far Mlnturno What twa er aeon haaardoua nbrnraata an praam, their anahhtod dJeet. nthor than tha of dehor individually. ahonld bn ftn primary annaiditreliori. In tho Acma of inferatalon a da eeatnry, tho effrete of the different hairda tbonld bo aoudderad a additive. Tha ia. if the naao of da fallnwinp ftatioma. Eaeoptione to the above rule may br made when * there it gaod reneon a believe that the chief efTeett ef the diflemt harmful anhaanca are not in feet additive, but independent a when purely Lecal effect! aa differtflt organa af the body ere produced by the varieua aorapanenu of tho aixturo. in each aaat tho throehnld limit ordinarily it areeded only when a leat onr member of i Cj * or Ti Tr**'et Imolf ha e reiao exceeding unity (toe Example lA.e). Amagonietic aetian ar potantiaUon may occur with aama toahiaauont af intimphtric eentaminanu. Such eaaa a pneont mtm ha detarmiaad iadtvidnally. Poiantiatinp ar iniaponinic aganta an dot ooeaaarily harmful by thamahroa. Potentiating oflbeta af anpaaaae a each ganu by nma ocher than tha of itthoittion ia alee pottiblt. op. iabibed alcohol and inhaled nacotie (triehioroetkyiena). Potentiation ia eharactariitieally athibilad a high aonatamtinna. laa pmhabiy a law. Vhan a givon oparaion or pncaa charactorutkally mika a nanbar of harmful dueta. Anna. rtpire. or gaa. it frequently wiU bo only faaeiblo to attampt a evaluate tho hoard by aamunmant of o eingic tubeuace. In neh aaaaa. tbo threehaId Uait end far thia aahatanee ihould ha ndoead by a takakla bear, tho aagnitado of which will depend at tho a--hoe, torjetty aid relative quantity af tho ether eemaaiacate ordinarily pmeant. Enaapia af pneaaaa which an typically aaaodatad with twa ar man harmful atmoapharic aontaminanu am voiding, automobile repair, bleating, painting, lacquering, certain laundry aperttiaar. diarj rxhautu. ate (Example S in lAa). TMIISM018 UMIT VAIUIS POt MIXTUIII IXAMPUS 1Aa onornl anoo, whnm air ia analyaad for each C| ft T| T. nccafr natty, than da duahoid Uait af da mixturn hadd bn aattderei at being meat dad Cj indieatn da obaervod ataaapbtria aeaceamtiea. and T| the oomapondfag threaboid (knit (aaa Exaapk IAj and UaV a. Additive effaeta. (Notm It ia atamtial that tha ataatphan ha analyaad both gaalitttively and guaeititoltvoty for each aocaponmt pmeant, in order a evaiaate aaaplianca or aoneoapliaser with thie cakuiaiod TLV.) C, C, Cj * T, * T, * 1 O) Mot otborwieo eleeeitled OUP 0960128 - ~ ~ w lr DU 040438 ~tKaear-^Hff*yaffi n jaeasa:; S 2V Ni 1* THRtSHOlO UMIT VAUIU OP AIMOINI CONTAMINANTS Anti mi thb Ana ^ Mif Iff* r' 92 CONFIDENTIAL liM|it* No. IAa* Air aaataaa S pyn if will tatrechleride (TLV m 10 ypn) SO ypni of ethylene dichlatida (TLV SO ppa) aad 10 ppm of athylaaa dibroaida (TLV 20 ppm) Aumiphark auoumuaion of atlxtun 5 * 20 10 33 ppm of niun J. <. 25 20 25 10 SO 20 SO To concert to ppce. aaaaidt TLV Hm ^ haytaea - 200 ppm 30TI anthylua ehlaridt - S3 ppm 20% fociiloiMthgrlau 20 yyaa TLV of ninni 200 S3 + 20 - 2U ppm 1JL* MiyaftM IffeWa. Air aaataiaa 0.1S aiy/ia3 af load (TLV. 0.1S) and 0.7 #'ai*afnd0k add (TLV. 1). Thiaahdd Linit ia exceeded. Forthcmon. the TLV of thia aixam may hr adcalatad by tadaday the total ftartior to 10t la. 0.1S 0.7 0.1S - "It 1 - 0.7 Thraahdd Unit ia not awarded. TLV af aixoar -- - 25 ppm I Ah. lyctlal coca what the now af arofaioant ia a liqabi ahaara and tha aococyharic eonyaaitioa ia aaemn'id a ha daiiiar a that af tha erifinal aatarialt a*. an a tina-waifblad traraya aeyaaon hada. all af the liqpaid (aateaat) aizom aeanweUy arayeratea. Addiiiee affaau (ayyraxaata aohatiaa) (1) Tha parent aoayaaitiaa (hy weifhl) af tha Uqaid laixatra ia ban. die TLVa af tha aaaadtMah amt hit hind hi atf/to*. (Narot la ardor to aralaan aanphiaw with thla TLV, flafcl aaayhaf iaammama ahauld ha calihmaf, ia tho liberali rj far rwyiaea la thie lyahflMha fnttabi aad aoiiitatira air-rayor mixawe. aof alaa ta fractiaaai oaoaaatnaiaai af thia aiiaaai , >A tho TLVt / tha TLV; 2 s tha TLVt 10 s tha TLVt ear.) lAa.. Canaral man aataiaa far auxtaraa of N anyaarata with additire aflaete aad different eayor Ci Cj 0) -ST* Tr*.. (2) Cj a- C, c. T. C, - T, C! C, C, (* +--* ~r " l- (3) Cj If], aad by Kaaak'a Law. w Pl-FlPl*Cnaibiwa (1) aad (4) to obtain TLV af 1 f. K t, < TLV, * TLVh * TLV, ^""TLV, mall Me. li Uyaid aim aealdai (hy ariahl) 50% hiytaaa (TLV 2000 aptf) 30% ithylaaa ehlaridt (TLV > 1740 a*fe*) 20% yanhlanthybot (TLV - 070 ayfe<) (S) C, - aFj,,* CobMalay (1), (24) aad (S). wa abide (*) T + ~r *- r+r 'in* '*2* Tj * T, +"*"T. TLV af 1 3 U 04 1000 * 300 * 070 1 0.00031 * 000003 04003 ad adeiaf far T, (0.1) T * F*ft* *1H* W W T, * T| +~> T, TO m< I 02 *S--FlPl* DUP 0960129 DU 040439 C O N F ID E N T S APOl l**l *1 i Page fa* Jen 1T7S WMJHOUJ UMIT VA1UIS Of AIMOINI CONTAMINANTS VT 8* VtgMhtS *<MM - Total Partkalat] V^ntftt* (N.O.C)D Eceaptiano la the above rale may be made wh< than if pod raoaon to believe that tha chief dfcta of tha. In aie^rie or niy pa welding of iron or Mad, pleanijed^iraa or (Ioniaan. (in chief anpoimii of die Im tra ordinarily midti of inn. sat or aluminum. Oi^er faaaaa. aa wail at toaaa foot may bo pnaant ia'.aignifieant ameunlt, haweear. Miapnero. tiiicau tad fcrguie Mndart an conmenly pmant in Um oaatinp' of wajdiot nda for fcrreac aiatalat fluoride In then for aluminum. And titmtaia uh dSfleront harmful mhatancua an net in feet additirt. but indepandant aa wban petoiy local efTeeU on different orpaa of the bode an prodand by the rartwu cora pesanu of tha mistnn. In auch entt jht thrrahold Unit ordinarily it naeadod only whan at lant one aimbar of tba aerial / / Ci "ST or aar ta traceie. capper. cap aanctiaiaa feead. Many aitcnimcn nda contain 'appreciable quandtiaa of iliraa. and maa tiara tracea cl beryilian. In itaalf bn o value exceeding unity (aaa Example lA.c). balded an weidaag. caona i&eftan fanned, and car* ban aaonoaide baa been repotted whoa CO] waa 0 Amagoniatk action or patantiatiaa may ooeor with aat canbiaaaiona of mtaaphorie cantweinanta. Such utiiiaad aa diidd pa. Otidea efnitrogen an non cam at pnaant^piuat ho dotamtined iadrviduaiiy. Potan* likaiy to be aaaotiattd with ecy-path** with aiaeiric tiauag ar aatagaahak agent* an not noeomriiy harmful are welding. \ by thnoaaieaa. Pouetiaiiag ofToeu of oxpaaun to auch Btcauae of the additional lunard created by tacit oganti by room athar thin that of inhalation ia aiao pn and traaaa aa email acaonnil of fmitt.of oan pamibla.-'eg, inbibod aiooboi and iahalod nncotia toaia tiancaa. tka total fume ooneeauxtien, whan (triahlaraathylane). Potentiation ia dianetariatiaaUy welding inn. aaild ataal or aimiaam. ahaeld not an* exhibited at hida eaamntrvtiaua, taro probably at law. ceed S agfm*dn the breathing aoaa of tba arddeo or / othan in tba area. V Vhan gieon apnniaci or pneaaa eharactariaticaUy The fttaaaa fnaa ataialatt ataal. radnian* or toad*'. coaled ileal, and atfcar oataii tucb aa capper and* niakal an conaidcrably aian tacit and oa* ramiu a amber of hareifal dm*, ftaeee. vapor*. ar pear , it fnqtmtly will be anly tumble la atump e cvalaaa. ' the haatrd by annunnont of a iingle itibauaoa. In nadi cantruiau ihcaid generally be kept at lower hard, depending an tba TLV'a of the oatala iatrdapii, In eaaaa, tha thntbald Unit nad far thia mbatance ahaidd be rtdaaad by a ndtafale factor, tha mapsaudo of which will addition. in tba hiaidad are welding of aluum. raiativaiy iarp aaaaaata of earna may be pacratad. depend an tha unbar, taaiaity and raUtiee quantity of tha atha\r acattnIncite ordinarily precant. tad tba concentntaaa of tbia pa aiay largely deter miaa dia health haaacd. Tramp!aa ef ptwaaaaaa which mo typically aacociatad with two or npra harmful ttacaapbaric eoatmiiunu an APPfNOIX e / waiding, anomobilo rapoir. blmSag, pedaling, lacquering, /Thnabaid Unit Vaiaaa hl'MiOmt When two or oan IcaHatt wbcunaM an promnb dtair combined dfen.jmkm than that of either oartaaa faanAy nparattaai. dimal axhauats. ata (Example 2 in lAcab t TMHINOtO UMft. VAUIU TO* MIXTUIIS indieiduaily, ahanld be ghmyprimaaj ncaidtrotiam In the tbeann of infccnarianm die manrery. tba dfmte of the illffaaanl boorda ahadli be aaaildarail aa additive. That it. if the tone a^4ha fbHawiag Erocttecsa, Cj/ C, c. IXAMPtlS \ \\ 1Aa OtMrd Mp m muljmd be mck 4 \ a. AddUeo aflbtm. (Ifotm ^ia caecadal that the Ji* T, T. atmeaphen he aaalynd hath ' quallutiealy aad qucaouaieaiy far each component propeat, is order to antafr'MMa thea thnditoold tHhanillt of the ritetare ahouid be eaeafdeiadidduarnrd aaa beainag accataatddead Cj indiaatea the ubaatead/atinaapharia eeaeonumtiea, and T[ the mmapmfdhig tkrmhdd Unit (an Example IA-a and l*a/ retieata aenpliaaae er aeaaanpUdnce with thia i TtV.) \ -1 C, e_ w l T. /a) Nat eifcetwlee detained DUP 0960130 DU 040440 3 Uj o a ANIL 1**1 Mi ov ion )*75 (, T - I"" . *lPl* TMIESHQlD LIMIT VALUES OP All-IOPNI CONTAMINANTS S 2T H 1* 2. A mixture of one part of (1) perathion (TLV. 0.1) and two para ef (2) EPN (TLV, 0.5). C1 Cj C, ,, ,, 0.1 * 0.5 " C. " 3Cl T TMI4 Limit Vila* in ppm C Vapor concentration in ppm p Vapor prmiurc of ootnponant in toletien p* " Vapor prmaare of pure component F * Mol fraction of eocapoarat in aekitiea a A aoattaat of proportionality Subscript* 1,2,... a relate the above quantitive to aompeoenta Li,... a rmpeettveiy. Sohccript i refer! to an arbitrary component from 1 to a. Abeaaeo of mharript reialaa the quantity to the irate. C - JC, jji_ ,. JEi 0.1 * 0.5 " T., O S ' T. T. - - 0.21 wtf/m' 1C, TLV far Mittim of Miamal Duett Far miraiaa of bioio|ieaily active minoraJ duata the moral fonaala for mamrm may be uaad. 1B.b. Solution ta ha applied whan there ia a rawerior of the aohrant mixture wboaa competitive dam not change apprarlihly by evaporation. Iioof AcPhmorie iolwWon ef Spoeifle mixture M1 Meant wt Mol hotHeo P* ILpnc-rnldmhem--ttt1veTntdfi-.t nv is e hr 9iln Tetchier* tthyltwc (1) 1314 IMpfmi 100 71awe Hp *117 Metkyichlerefamtl) 15141 U3fml 1M 125mm H a7 For a airare eenuiaixf M% tale and 20% puartx. the TLV for 100% of the aiiature ia pra by: 117 "It 1 2L " ** mpprf 20 * 24 FwanHelly the cane racait erfll bo abtaiaad if the lhait of the move (mat) tasie component ia aaad provided the nSaeta are additive. In the above example the limit hr 10% year'- ia 10 mppef. For another mixture of 15% quartx. 25% emor. pheea eiiiee. and 50% tale: Fjp,* - (0417) (TJ) - it! Fjpj* - (0471) (US) - 5*4 TLV MJ SM _ (*74) (550) Ml t SM " 1554 * 5*4 100 * 550 (*T4) (530) m 1*14 TLV - ITT ppm (Note difference ia TLV whan eeemnt b taken of vapor protean and mol fraction in earnparimn ertth above temple whora inch aaceact ia net taken.) TLV MS M 1 025 20 70 mppef 05 20 The limit for 25% qoarta approximate! 5 mppef. APPENDIX D Permittibia Cxauralana for Time.Weighted Average (TWA) Umlte The Etearciea TLV Feater in the Table omemaikally defiaot the mapiiaada ef the parmiaaiblc meurnoa above the limit far dmaa mbctaaeee aet pven a "C" dmigthion, l*. the TVA limita. Examplm in the Table thaw that aitrekmtent. the TLV far which-ia 1 ppes. aovar thoald be allowed ta exceed 5 ppm. i DUP 0960131 "X ,r W m Alt! DU 040441 s3r Papa 30 TMIESHOID IIMIT VALUES OP AULEOPNE CONTAMINANTS APCIl tppl TWa Paoa lav Inn Jf7J Sbailnrly. earboo tatrachlarida, TLV 10 ppm. hvv iheulil In aHoamd ta mj 30 ppm. By aomram. thaac tubtunca* with "C" teipuiin ar aat tabjeet to tlw movuton farter and mum ba kapt at or Mow ilia TLV eailini(. ITitra limitiaf autmiMi an to bo eeaadated to provide a "ntk-of-thumb" fuidxaot far Hated tubataneet pnerulty. and may aat provide the ataat appmprtm* azcanwa tar a particular tubatanaa 4-. tha paraiiaaibla mcaniaa for CO U 400 ppaa far IS aiiaa. For appcopriata mcanieaa far 143 eaaauli. Fenatyivania Rulaa 4 Rapt, Chap. 4, Art. 433. (aaa 47). and "Aaoaplibla Coneaatratiooa.'* ANSI Z37 Sanaa. Subtracts Ntoaiaaaana Cuban tanehlaridt mOiakiarabanaaoa Amw Earan pjflaarfdt Eotyitsuac nv ' 1 ppm PP ppm MOO ppm C 1 ppm tanw 1 3 14 US -- - martian Paatan Mat Ceet Permuted for Unit Sat S ppm PP7S ppm USD ppm 1 Ppm s pan For all aat baaran C aataiiaa TLV S #-l (ppm ar npfe*). TLV 3 1-M (ppm r *<*>. TLV > ta-iaa (ppm m ap/m>. TLV > MO-MOO (ppm or e'm'). I I - to - US Tha amnbar af tfanm tha aumaion abora thaTLV b ptrmitlad ia pararaad by aonfarmity with tha Tim#Tai^Mad Airnp TLV. laala far Aaeipaint UmlHnp "C Vataaa y ddlattton in tha Fntee. a liamd rains baaciag a **C* daibptmlaa wfara ta a "oaffimf aahm that tbaald am ba aaandadi all ealnm ahaald fltnato bMew dta Mod valat. Tbit, in affect. makaa tha "C" daupnation a maximal allowabla aaaaxntration (MAC). Ia ptaaral. tha bmia for aatipiinp or not material a "C* vaitac rmt on whathar excunionj of eonctntration above a pmpoaitl limit far parloda up to IS minutaa auy rmuit in (a) intolerable irritation, (b) chronic. ar irrararaiblr tiaaaa ehan|t. ar (e) aaneiia af Iofficiant Sapaa to in* errata accident prananmt. impair talf-rateua. or materially reduce work efficiency. APPINOtX Soma Nuiaonca PerMeuletea ** TLV. SO mppcf ar 10 atp/m1 (aaa 4J. S.l. 44J) Alandot (A!,0t) Cakimn carbonma Calcinm atlkata* Cellulate (paper fiber) Fartland aamant Caroadam (AljOj) Emory Glaaa. fluent'* ar doat Kaolin I bn mania Marble Mineral wool fiber* Paniaarythriial Flaalar af Faria Kon|t SUiann* Glyearin miat Graphita (ayathatk) Gypttma Siliaone carbide Stank Vapatabla ail miata (except aaatar. cmhaw nou ar timilar irritant alia) Tin aside Titanium dianida Zinc imarma* * 1974 Addition () ban mic impuritim are aat piaaaau e.p, <ptutt < 3 (r) < 1 Mm in diameter APPtNDIX P Soma Simple Asphynimtta'* TLV. 1400 ppm (aaa 44) Aestvlma Hydrops Arpto Mathana Ethane Hallmm (a) Aa defined in 44 Naan Nbaaaa aaida 94 1 *wr Add DUP 0960132 _____ I DU 040442