Document wDbmpJZr7Zy341yBwKOL3gajV

-ill I DU 040443 CONDOffiri/li T SIT >t a THMJHOIO LIMIT VAlUiS or AIMOKNI CONTAMINANTS 4**11 196) I Dlls *##* bv jaR lf7S hould eontidn the espentioa af iu umplini propun is oectnauUie date on *h* l*l< of employe* expoture to thute contaminant* which may ba aignificant in Company operai iona. The data deriead from luch audita eould. at an appropriate time, hr tubmitted ta the Secretary of Labor to eaublith, auppon. or refute the value for any apccifie material. 4. PMFACt TO ACOIH TAUIS AlttOtNi CONTAMMANTS' 4.1 Ykmbold limit valaw refer to airbors* oaaeutradoat >f tubetaacee aad repnatal eoadiaoa* tiadtr which it ia iaUevad that aaarly all workera may ba repaatadly axpoaid day after day wiihaat advtree affect. Becauat of wide variatioa in individual euacepdbility. however, a mall pereeataft of warfcare may experience deeeoafert Irea eoma aubataacaa at aosceatratioaa at ar below the thraakald limit, a waaller percentage may ba a/Tactad more eariouely by a(p(ration of a presenting asnditiaa ar by deealopaaent ef an eecapatiawal illaaaa. 4.1.1 Simple weta arc aaw available (J Oanip Mad S'. 537. 1967; Aaa. NY Acad Sea. 151. An. 2. 96*. 1968) that may be naed to deteet tboae Abividuaia hyperauacepdblt to a variety af isdattrial chetnirala (rnpirstary irritant*. hemolytic abemical*. ergaaic iaocyaaima. carhoc. diaalfide). Theae latte may ba uaed to aerate eat by appropriate jab placental the hyperreactive worker aad Aua ia affect improve the "coverage" of the TLVa. periodt -- product acute poitaming, whathtr the affect* an cumulative, the fmjueney with which high ranctatrauoae occur, aad the durauoe of aucb period*. All factor* meat ba takaa iato eataidcraiioa in arriviog at daciaioo a* to wbatbtr a haaardoua conditio* taiata. (Notai TLVa aamtiiaita are rvftmd la at MAC*, maxi mum acceptable eoaerairatioaa, maximinn allawable coocmtrauoaa, or maximal acceptable coactatfatiooa. Tba American National Standard* taadtul* publiabea a aarica of atandard* (Z37 atrim) liaaag MAC*. which an pooh valuta that abould aol be tamded in a normal wark day. A aumher a( tbeee an iadudtd ia Tabit 5.) 4.1.4 Thrathold IimiU tea baaed an tba ban available information from industrial experienoe. from experimental baman and animal atudiaa. aad. when paaaible. from a eomhinatiaa af the three. The bmia aa which tba value* ar* mtablithad may differ from eutotanca t* mhaunoc; pratactian again* impairmaai af health may b* a guiding factor far tame, whence rwmcaabla Awtdaen from'irriialion. narawt*. nuhcnc*. ar ether form* af aim* may form tba bmia far ether*. 4.1.4.1 Tba amount aad aaoin af the information available far raubliabiig a TLV varim from tabana* ia aabalaatm reaaegumlly, tba proriaiaa af tba aadmaitd TLV ia aka atibjta to variation aad At law*! Owaumaataaian'* abould ba taaanbtd in aadar ta aaaat* the exttat af tba data availabia far a given tubetanrv 41.2 Thmbold limit valaaa (TLVa) refer ta timewifktixl foaccatniMBi (TWA) Smr B7*rt>hMrwcric day aad 4&boar warkweek. Tbay abaald ba aatd aa guide* In tba aaatrai af beaiib baaarda aad ahaitid aat b* amd aa Can Uaca balwtan aafa aad dangtroua conceairatwaa, (Exeepaona an tba aubataacaa limed in AppealUm E aad F aad tbaec aubataacaa darigaaaad with a *<T ar Calling vaiac. Appandix D.) IIJ Thna-weigblad average* pnaut aaanraiaa* abavt tba limit (paaba) pravidad tbay an aampmualtd by aqaivakat meartAa* balaw tba limb daring the werfcday. In tom* iateaaaaa b may ba ptrmiaaibl* la caiaulat* tba aviTag* coaaestralien far a warkweek rather (baa far a weekday. Tba dtgraa af parmMbi* txcantaa ia raiaiad t* tba magabad* af A* thraabaid lbnb valaa af a paraealar aebataan aa givta in Apptadix D. Tba niadaaahip between tbnabnld lie*it aad parmiaaibi* axcurawa it a niie *f thumb aad ia atrtaia aate* may aat apply- Tba amount by which threebald liraba may b* cataadad iar abort |i*rioda wbboat injury to baaltb daptada apan a aambn.- af factara aucb aa lb* aabtn af lb* eaaiaauaaab wbatba- vary high aoacestrauou* -- avta far abart 4.IJ The aawtmittm (ACC1H) baida to Um opinion that lintiea been* on phyet--l Icrieaeinn eknld W aonaiderad a* law binding than thorn band on phyaical unpaiienrnl Ttmr* it incramlag avidenm that phyaical irritation may initiate, promote ar aecaArata phytiaal unpoiiwuol through iattraction with other ebonteal at biologic agent*. 414 la apb* af lb* fart that lariont iajury ia aat behaved IItaly aa a mull of aipoaura w ib* thmbold limit aoaatatrodoM, lb* beat practice ia to maiotaA tooceatratiOBa af ail atmaapharic aontemiaaam aa low aa ia practical. 4.1.7 Thaw limit* an bbaadad far uac ia tbr practin ai iadaatrial hygiaat aad abould ba iawrprated aad applied only by a paraon trainad ia Ala ditripliar. Tbay art net iawaded far aa*. or far madificaiioa far at*. (1) a* a relative iadex afbacard ar taaieby, (2) is A* aval***** ar eaavol of tommmairy air pallutMa aaiaaneea. (3) A aatimatiag A* taxi* paieetial ef aaaaiaaaa. uaiatarniptad tipanam, (4) aa praaf ar dlapraaf af aa taiatiag dimaa* ar pbyriaal aaadhAs. ar (5) Ar adofdee by aouatriae whom narking mndAoaa * So*Iten 4 *n4 Teblo* 1 4w*ah 4 in diia revision ere the 1*74 ACOIH protege, teble* art* epo*n4i*es. ** "Oiievnemetion *t the ThretboW Limit Velvet for Sukamneea ia Workroom Air'*. ACOIH, b.O. bee 1*17, Ciaeinnetl, OH 44301 (1*71). - OOP 0960134 mm. mvi: A3a DU 040444 fHKfeaiiuiiJMMi COHFIOEN1 '1.L AWl tMI This Nf May IfFI TVWUHOIO UMIT VAlUIf OP AIMOtNI CONTAMINANT* *2T N| 2 differ from hoe* ia iA Uafted Sum ef America ud bav* a loaf hiataiy of little advene effect es luaf* ud where NUum ud pro ream* difbr. do ut produo* aiftificaat orfuic dietae* or toxic effect 44 CaiCng v* Ame.Woifhted Avar*** Unite. Although the aaa-wdfhltd average eoocmtration provide* the mm eatiefeatery, practical way of maaitoriag airbora* spate Car aompliuet with lb* limits, tbara are csruia aibetaacas lor which it ia iaappropriatt. la tbt latter froup are aubetaaen wbiab are predowiauily faat actiaf ud wboa* tbreaboid limb i* aon apprepriawly baaad * that pardtular raapaaa*. SuhMaam wftb ibi* lypt of reapoaaa are b*M oa*rolled by a attlisf "C Ibait lbat abould act ba uetadad. It it iapliaat ia ibaa* ddialfloat thai lb* aiaaaar af aampUag to dattrealaa tom- bta eapoaurca are kept uader nawaabl* eoatrol. Tb* auisuet daeu bav* ale* bets tailed (biolofieaily) "iaert" daata. bat tb* letter term i* iaapptopriate to tb* exleot that there ia to duM wbieb dees aot evoke tome eeUtlar rmpent* bt lb* la*f whea iabaled ia euffSoeat ataouL However, lb* lattf-beau* reaction cauaed by iekajattos af auieum dust* ku tbe foUowiaf ckaraoteriaum: (l) tb* architecture ef the air epaeet rtaaiai iaiact, (2) eelUfta (tear daeue) ia aat lorated to a aignifleast (steal, (3) tb* lie**# raactiaa is potestielly revertiMe- piiaae* wilb lb* liaaka (or aaeb (roup bum differ, Maple brief aauple, that is applicable la a "C" lioaia. ia toI appropriate lo tb* dae-weifblcd Haifa here, a au/Briut number af sample* are aaaded to permit a arewwetfhted avarafe eoaeeatratioa Ibraafbaat a aampleie cyei* ef operalioaa or tbraafbout lb* week abib. d.2.1 Wbtrte* lb* nilisf limit piarea a defiait* boundary whieb coareotrades* sbaald aot be pembted 4J.I ExcmeiT* coacnttratiofli of nuiauce dueu in tb* workroom air atay emioudy reduce vieibility, may cam aaplaeeint dapaeits ia the eyas, sen ud naul pataafat (Portland Cemcat duM). or cause injury to the kin or atueoua aautbrum by ebamical ar mechanical eetioa par as. or by the rtforoua tkia aJaaaainf procedure! netentry far their remsvai. 4JJ A tbreaboid limit af 10 mg/m*, or 30 tappet to earned, tb* dma-wrightad average limit require* as of total dual < 1 perusal quant it recommended lor sob* repbait limb la tbe txruninn* ibal an parmiasibl* above mare* ia tkarn categories ud for which oo apeciffc lb* listed value*. Tbt mafoiati* af tbtat axesraeoaa may tbreaboid limb* hove bom aeeifued. Thu limit, for a be pegged ta Am magnitude of tbt tbreaboid Uatii by u aaratal workday, dees aot apply to brief exposures at apprepriai* factsr abewa ia Appendix 0. It tbaald bt aatad that tb* tame (eaters are uetd by tb* commlrre ia making a jadfmtai wbatbar la iaciadt or cxdad* a aubatsaee far a **C* liatfsg. 4.S "mtw" Melon**. UMed eabeceaece fallowed by lb* kifher eoacmtratioaa. Neither darn it apply to tbaaa subaiaams which mey asurn physiologic impainaaot at lower eoeemtraticae but for which t tbreaboid limit be* aot yat baca adapted. Soma eaiseae* paniauJaiaa ere (tree ia Appeadix E. desigaadoa "Sue" refer ta lb* potautial matribatfaa to AA Simple AnphfilUl -- ''I*Off" Sues or V<**ara. A tb* evarall aspoaare by tba retioaace num iadadiag aaatbar af fate* ud vapors, whea pretest ia high can- auasut membranaa ud ay*, eitbar by airborne, or mare reaiminaa ia air. set priaearily a* rimpie asphyxiants pardeulariy, by direst matset with tba aubauact, Vabide* witbaat ether tifaianul phyafategit effect*. A TLV may cu altar abia abmrpdaa. Tkia aumrina nllfttg deaig- aat be ramretreaded far each ample aspkyxiut becaaa* aatfaa ia buaaded ta tafgaal apprepriata maaaure* far tba Urnhiaf faster ia tb* available axyfta. Tbareiaireal tbo prevutdai af returnaa abaarptiaa m that tba three oxygm malaat abould ba 1> perarnt by volume uader bald limb i* aot iarelidatad. aarmal atauapberir praaiara (aqufvakst ta a partial pressure, pOt af 13S aim Hf). Auaaapharea deficient ia 4A Matures. Spoatsl oousidarotfaa ahauld bo five* aim Or da aat provide adeqaatt waraiag sad moat simple to tba appiitadaa of tb* TLV* bt aaaeaaiaf tba health atphyxiut* are ederieee. Several aimplt aaphyxiuta baaarda wbaab may ba asaodamd wih aspoauw ta ati*. pretest u axpiatioa baaard. Actoaat tbould be takta of mms of two or aura thata earn. A brief dieretaiaa of this factor ia ttmitiag tbt macuiratiea af the aephyxieoL bade reeddmaltea* lovalvad la davaiopiaf tbreaboid Sperifit exampim are iiamd ia Appeadix F. limb vabm for mbaarea, ud amboda far tbair developmeat, amplified by specific examples are fives is Appudix C 4J Bear* Torre Umlla (SIUI, Bacaua* atany industrial txpoaurea an aat caadaaaaA 3-bear daily repoaum. bat art then-term, or unarmkml. to which tbt TLV* do 4,3 Nufaaau Peedsalats*. Ia eeatrast to flbrapaie dual* ut ooratearily apply, JTU for S. 15. or 30 minute* far which cauee mar dsaua to bt (aimed ia hiaf* wbea ia- 142 tabu cam bav* beu pat iota tb* regalationi of the baled ia omaaivt amsaata, ea-cailed "niiaaeot" duet* Pauaylvaaia Oepanmtat of Heabb (Chapter 4. Art. OUP 0960135 j i i i i R['/ _J|.. . . a DU 040445 J3T Nf 4 TMMSMOIB UNIT VAUIIS OP AIMOINI CONTAMINANT! APtU INI Thl# Pf *av May I97| 432, InM Jam 2S. 19At*). That* STL* rapraatm A* auiflil iflMfhuii MflaiinM of i coo* m which warhar may bt ryiN for At nipuiaiatt tint. Th* eaaecanabaa rrprvaaot* *a upper limit ( upoaurt and umaam that Aat* ia nSUaat ncavary between exp*aura* bcfart another i* iaitialoi Th* daily avtraft axpaaan iidudiaf that proviM by th* iTL thail b* toah that th* TLV ahai. aot ba cmidii Similar STLa far a mam rmtrktad oambtr of uhataaoi* hav* baaa raaammtnrtad by At American Nedaaal Stiwdorda Iaatimm TUi neadud-atuiaf body rate* to tea* ahorMtrm Umisa aa "pooka." (St* aot* under 4.1J.) 4.1 Ph'rtltal P*ati & ia raropiiiad that aoeh phyaical t'oetaca m ham. ahnniolm end tonidap radimioii. humidity, abnormal ptaaaur* (altituda) and th* liha may place addad aaram an tha body aa thm th* affattt from topmora at a tkraahoid limit may bt altered. Mam af dime ntouaa am adrtrady ta incrom* tha Mai* laeponw at a aahttaam. Ahhaaph matt thtaahald limitt bar* kailtda aatey faetaaa lo faard afaaam advert* oftela ta madarat* deviation! Cram normal aaviranauata, tha mtey tetata of mam a Aafanire ai* aat of toah a -tT-|rirrft m ta tab* cor* of pam deviation*. Far ntimpA, aaadaaaaa troth at tamparmnrm abor* 90 F or avartim* aamndiaf tha work, oak nan than 2S portiont. aiifht b* aoandmad pam deviationt. In anah inwoaam jad^aat mnm ba aaarciaod bt th* prapar adjaatmaata of th* thrmhald limit vaiwa. 4.9 atoloot* Umlt Vain** (MVt). Odio* mean* oaim and may b* noaaaamy Gar eaniMriai milra top non j othor dint roiiona* on dm Thmahold Limit Valam far in* daawiai lir. imaiy, tha liolapt Limit Vaiam. Thm* volute raprmmi UmUnf amount* of labauaim (or their affatia) i whith the waakor may b* mpmid wjilton hooord anbooldi or wdl bat^ m douraainad In hit tioanm and fluhta a* in bit mhalad braath. Tha mamat m aan an whkh the ILV* are baaed am two kiaah of lately Wien andiil ia dm oaaumi of warkm it (1) aiootar* of A* iadhridaal worker'* avtrail npmarat (2) naaaura of th* worker'i individual and charatMrhdc rmpanaa. Mamarnmtnta of mtpana* teniah a iopener tatimata of th* phyiiolop* auun of th* warhar, and may b* mad* of (a) chaapm in amount of tarn* critaeai hicchamicai aoniatuant. (b) chanpa in aativlty of a critical onaymo, (e) chatpa in tarn# phraiolop* fmu don. Maaanaomant of mpoaora may b* mod* by (1) dolor auainf in blood, arina, hnr. toil* in body dmnm mid flnak. tht amount of aubnanco m which lb* warhar wa mpattdt (2) dttarminadan *f th* ---- of th* m*taboiifa(t) af th* aahttam ia dome* and flnidm (3) datarminatian of th* maonat of th* nihMorn ha th* oahaiad braath. Th* bialopt llmiu may bo oaod to on ad. jane* ta th* TLV* far air. ar ia plat* af Aw. Th* U. S. National latlicata tar Ooaapottnad Safety and Bothh it panpman * aorim af them BLV* wkith will bn imnad from daw to tha* aa port of th* Criteria Dacianonm for rmommrndod iodaocrioi tir atondordo. 4.10 Unliatad luhmanoaa. Tbora ar* t manbar af taaaona why a nteuna* dam not appear in th* Thmahold Limit UM either uwdRdaat intemmiaa ia avtilahi* ar it hm aot haaa broa|ht tn dm mtantten of tha Thrahoid Limit* Cammitlaa from which t Umk tan ha daraiapad, ar it 1* * wfatitnr* thm tauld ba indudad ia tha Ap. pondiam E tad F partanh* ta Nutena* Pactiealmm md Simple Aiphyrxitau. Sabaunott appearing fat that* ap, pmdiam tan* m oamplm aalyt th* tppandlrm an net ianndad w bt mdariv*. 4.11 "Naataa af Mm." At At bepawing af oath year, prapuaad aadana af A* Comnutan far the forth*nmio| year ar* lanmd A A* tern af a "Pfatte af tamadad Chanpa * Thin Node* panridaa aat aniy aa far antimony ban aoliaiu aapaatAaa of i w b* addad w dw Uay Tha wnanitni ahmdd by mbatmtlarint rrtdoai*. Tha Urn of lamdad Chanpa Mlawa A* Adapted Vaiam A Aa TLV btakiay iro O O *CI 0 5 3* Paaatylvaai* Dapy at Hoolrii, Mawtehwrt, PA DUP 0960136 ___________ I DU 040446 AMII. 19*1 Tf lhle Tape Pa* in 197S THKUHOia UMIT VAIUIS or AifctOftNB contaminants s2T To* J s Natai, Table t TASK t - AOOPTSO VAIUIS T (In AIpImImiImI Order) Capital Wttert refer to Appendical (Eleapt for "C* (hewn to the left af rabeuneea in Tablet l and J. Thie indicate! <Uu far that mhetaaat relate ta Ceilim Umiu. Saa 4j aai 4.2.1 for diacueaioa.) 1974 Addition See^Netke of Intendad Qtangee. Tahla S 4 Saa Tahla S far ceiling aad peak eencentrettene aa Saa Table $ far TLV, ar ceiling oaaoantrauont. er bath, which arc sort raetriciKa aad ara OSHA * TLV lined it hi|har (lata raatriciiva) than thoac thown hi OSHA fefuietieat, Saction 1910.93 Table G--l, Saa dieonaion ia U. ft Saa 1974 Rariaad Dactzacaulion. 4.14.1 Feefnateti (a) Paru of taper or |m per atiOiaa pant af aaaunainatad air by volume at 25 C and 760 aam Hg preaeurc. (b) Approximate millipmx af whitemet par cahie ataur af air. (d) An ttmaapharic oaneantratian af not aam than 0.03 ppm. ar panonal protection aiajr be natatory ta avaid headache. (e) <7*01 in diaaatrr. (f) At tampied hr mathad that data not eoUaet vapor. (g) Atearding to analytically dattiiaiaad eompooitioa. <h) Far aoatral af gmeral room air. hioiape manilariag ia --aatiil far panama! aontraL (a) Sae note (aa). Tahla S. tediaMivtty: For parmiaaibla aanaantratioai af radio!tea<ipat in air. aaa U. S. Dapartmaat ofCommarea. National urate af Standard! HanAoek 09, "Maximaaa Panaiaaihla Body Burden* and Mmanum Parmiaaihia Caaeantracioat of Radiooaelidaa in Air and in Water far Oarupartaaal Expotare.' Ante S. 1909. Alto, aaa U. S. Department af Cemntrci Natieaal Bortmi of 5tenderda. Handhoah 39. "Pcrmimbie Dom from External Satiram of lending Radiation.'* Septmabar 24, 19S4, and addendm af April IS, 19SS. A rapaet. Baaic Radiation Pnxaetion Criteria. pnbUahad by die National Can--hue aa Radiation Prataction, revwaa and adaraltat the aattaapt af the NOtP ttendarda of 1904,1907 aad 1900t obtainable aa NCRP Rapt. No. 39, P. O. Rax 4447. Veehiapao, D. C 30000. (Aim me ZJ.I SvMvmi nrrm-"*1 //**' Abate............................. -- 10 H Aoataldehyde................. 100 ISO Aoetta add..................... 10 25 C Asatia anhydride....... 5 Aoetooo.......................... 1,000 Aeetoeritrila.................... 40 20 3.400 70 Aoatyiaaa....................... Aoetyiene dichloride, an 1, 2-Diehloroethyleae. F -- -- Aeatyicae tetrabromidc. 1 u AaroMn.......................... 0.1 Aoryiaaoide--Skin........ -- 0.25 04 Acrylonitrile--Skin -- Aldrin--Shut................ Aliyi alcohol*--Skis----Ailyi ahlorido................. 20 -- 2 1 45 a23 5 3 Allyl (iyeidyl ethrr (AOE)--Skin........... 6 22 Allyl propyl dioulflde-- 2 12 StfkttQVMM AUmdum (AlyOe)........... 4-Aminoaphenyl--tiktn. 2-Aminoethanoi, eec Ethanohmina............ 2-Azninopyridine........... Ammonia....................... Ammonium chloride, funa........................... Amnooitun aulfaiaate (Ammata).................. n-Amyi aeetate.............. aae*Amyi acetate.......... IfltltAA--CttR Anieidine (o, pdawnen) --Skin....................... Antimony A compound* (aa 8b)........................ ANTU (alpha naphthyl thiourea).................... ppm** '-- -- 0.3 35 100 125 3 0.1 mt/im**' E A'* 3 18 10 10 525 050 19 0.5 0.5 04 * Tafcla 1 calaat are aeoal re ar lewar fmara rairrtrtiaa) *ao Aeia praatelferal vciar OSHA ear 1t70.f],astae* la a tow eeeea identified by 9. See TeWe 1 Metee, and diaaweelen in U. Sea ahaoa fat all natea DUP 0960137 DU 040447 CONFIDENTIAL j2y hit * THRESHOLD LIMIT VALUES OR AIE.SOENI CONTAMINANTS apeu mi TV. Pee lev Jan 1*75 o SaiaMnc* TAIL* 1 - ADOPTED VALUES (CONTD) M> mn/H** Substance e** M*"*1 mf/M Ar|;on............................. Anenic k compounds (u As)....................... Aninc............................. Asphalt (petroleum) fumes.......................... Axinphos methyl--Skin. F -- 0.09 -- -- * Baton (Propaxur).......... -- Barium (soluble compounds)................ -- ' C Bcniene--Sldn............... Ben li dine--Skin........... 2S * p-Bcnaoquiaonc, Me Quinone...................... Bensoyl peroxide........... -- -- Bentyi chloride.............. 1 Benrilium...................... Biplienyl. see Diphenyl. -- Bismuth teiluridc........... Bismuth telluride (Se-doped).................. Boron oxide.................... -- me Bonm tribromide........... 1 CBoron trifluoride.. ___ 1 Bromine......................... 0.1 Bromine prntafiuoride.. 0.1 Bromoform--Sldn........ 0.3 Butadiene (1.3- butadiene).................. 1,000 ** Butane........................... SOO Butnnethici, eee Butyl iikireaptaa.................. -- 2-Butanone.................... 2-Bstoxy ethanol (Butyl Crlloaoive)--Skin.... Butyl acetate (o*butyl acetate)...................... acc-Dutyl acetate........... tert-Butyl aeetate.......... n-Bctyi alcohol--Skin... eee-Butyl alcohol........... tert*Butyl alcohol.......... C Butylamina--Skin........ C tert-Butyl throat*te (aa 200 90 lfiO 200 200 100 190 100 s CiOi) --Skin............ * n-Butyl fiyoidyl ether (BCE)........................ "Butyl lactate................. Butyl mercaptan........... D-tcrt>Butyltoluene....... 90 -- 0.3 10 ** Cadiniton (Metal duet and soluble mite)....... *C Cadmium oxide fume (as C<1)............................. See S ler all mm* -- 0.9 0.2 5 0.2 04 0.9 80 A1' -- 9 9 0.002 -- 10 9 10 10 3 0.7 a7 9 2.300 1200 --. 390 240 710 990 990 900 490 300 19 0.1 270 13 60 0.2 0.09 e ('Inuni ctrnonate......... -- _ Carbaryl (Savin*;......... -- Carbon black................ -- Carbon dioxide.............. 5.000*1 Carbon disulfide -- Skin. 20 Carbon monoxide.......... 90 Carbon tetrachloride -- Skin........................... CcUuloee (paper fiber)... 10 -- Chlordane -- Skin......... -- Chlorinated camphene -- Skin........................... -- Chlorinated diphenyl oxide........................... _ Chlorine......................... l Chlorine dioxide............ 0.1 C Chlorine triiluoride........ 0.1 C Chloraacetaldehyrie....... I a-Chloroscetophenonc (phenacylehloride)___ 0.09 Chlornbcnaene (monoehlorobehiene).. 79 0- Chlorobeasylideae mainnonitrile (OCBM) -- Skin........................ 0.09 Chiorobromomethaac... 200 2-Chioro-l, 3*butadieae eee Cbloroprea*......... Chlorodiphenyl (43% Chlorine)--Skin....... -- Chlorodiphenyl (94% Chlorine)--Skin....... 1- Chloro. 3.3* epoxy* propane, eee Epiehlorbydrin........... Calcium arsenate........... Calriua oxide................ -- Camphor (Synthetic)... Caprolactam Dun........................... 2 _ Vapor......................... 2- Chioroethnnoi, eee 5 Ethylene cMorobydrin Chlorocthyleae, eee Vinyl chloride............ 'Chloroform (Triehloromeihane)... 29 * bia-Chloromethyt ether.. 0401 l-Chloralaitropropaae. 20 Chloropicrin.................. 0.1 Chloroprene (2-chloro-l, 3-butadiene)--Skin.. 29 *0>Chlorotoluene............. 90 _Chromates, eenain insol uble forms............... E 9 3.9 9.000 60s 99 65* E 0.9 0.5 04 3 03 0.4 3 0.3 390 0.4 1450 i 0.9 1 5 12 1 20 120 A" 100 0.7 90 290 A" DUP 0960138 73 r- < DU 040448 O' > APEIl 1**1 Tbit Png* *v igyj mtCJHOU} UMIT VAIUIS OP AIR.IORNI CONTAMINANTS *2T p> 7 TASU I - AOOPTIO VALUES (CONTOi MMim PFTM m/m*41 Subdues ppm> Chromic add aad ehromate* (aa CrOi).. Chromium, aol. chromic. ehromoua aalta u Cr.. Coal tar pitch volatile* (benwne eduble frtc* tion: anthracene, BaP, pheaaathrene, eeridin*, chrysene, pyrene) Cpbalt. BMtal fume t duat........................... Copper fuau.................. Duet* aad Mists.... Corundum (AIjOi)......... * Cotton Dust (raw)........ Cra** herbicide............. Crtaol (all iaoaen) -- Sklh........................... Crotoaaldehvde......... Curaeae--Skin............. Cyanide (as CN)--Skin. Cyaaocta...................... Cyclohexane.................. Cyelohaxnaoi................. Cyclohexanone............... Cyclohexane.................. * Cyeiohrxyiamin*--Skin. Cyelopentadieae............ 3.4-D............................ DDT............................. DDVP, aoe Dichlorvoa.. Decahoraae--Skin........ Dematon*--Skin......... Diacetoae alcohol (4- hydroxy-4-mcthyl2>peatanooe).............. 1, 2-Diaminoethane. see Ethylenediaraiae....... Diadnoa--Skia........... Diaaomethane................ Diboraa*........................ 1. XDibroaoethaa* (ethyl*a* dibromide) --Skia....................... Dibrom*........................ 3-Jf Dibotylaraiaoethaaol --Skia....................... Dibatyi phoaphate......... Dibutylphthalat*........... C DicMoracetyiena........... C o-Dichiorob*na*n*......... p-Dichlorobeaten*......... -- A1* -- _. -- -- 5 3 SO -- 10 300 50 SO 300 10 75 -- -- -- 0.0S ojm so -- -- ox 0.1 30 3 1 -- 0.1 so 75 0.1* o.s OX 0.1 (OX) i E 0X-> 10 33 S 245 S -- 1.050 300 200 1,015 40 200 10 1 -- 0.3 0.1 240 -- 0.1 0.4 0.1 14S* 3 14 5 S 0.4 200 450 Dichlorobensidia*-- Sion........................... Dichlorodifluoroaethaa*. 1.000 1. 3-Dichioro-S, 5 dimethyl hydaataia... uw 1. 1-Dichloroethace....... 300 1. 2-Dichlereethaae....... SO 1, 2-Dichloroethylea*... 300 Dicfaloroethyl ether-- Skin . . Diehloromethaae, eee 5 A'* 4.950 0.2 330* 300* 790 30 Methylene chloride... -- Diehioromoeofluo. > ..... 1.000 ' 1.1-DicbloRHl* -- 4X00 nitroetheae................ 10 1.2'Diehloraprepaa*. we SO Propylenedichloride... Dtehioratttiafiuoro* -- -- ethaae....................... 1.000 7,000 Dichionroe (DDVP) -- Skia........................... Dieldrin--Skin............. Diethylaatiae................ Diethylamiao ethaaol -- 0.1 25 1 0XS 75 Skia.......................... 10 Diethyleiie triaaiae -- SO Skia........................... Diethyletber, ace Ethyl 1 4 ether.......................... Difluorodibfomo* methane..................... C Diciyddyl ether (DGE). Dihydroxybenten*. *** 100 ' 860 ox 2.8 Hydroquiaooe............ -- Diieobatyl ketion*......... Diieopropylamise-- 25 ISO Skia........................... Dimethoxymethaae, m S 30 MetkyUl.................... -- -- Dimethyl eoetemide -- Skia........................... Dimethylaatine............. Dimethyieaiiaobeasea*. 10 10 35 IS e* Xytideae............... DunethyiaaiUae (N- dimethyianihne) -- Skia........................... S 25 Dimethyibeaeeae. eee Xylene....................... Dimethyl 1, 3-dibremo- 3-di*bloro*thyl phee* phate. *n DiBtom___ -- -- Sm ^ I far ill wm r 'fciUcNTiAL . OOP 0960139 t* * 4 DU 040449 s2r THiUMOia LIMIT VUUU Of AIMOINI CONTAMINANTS anil tui Till* Pt! ** May 1*7S in TASU 1 - Suheteace mg/M Dimiithvlformamidt ^ Skin.*......................... 10 2, 6-Dlmethylheptanooe, eee Oiitobutyl ketoae. 1, 1- imeehyUiydrasoe -- Skin....................... 04 Dinuithylphthaiata........ -- 1 Dinu.'thyiaulfate -- Skin. Oinitrobeneene (all (1) iaomera) --Sirin......... 0.15 Dinilro-o-creaoi -- Skin. -- Oinii rotoluene -- Skin.. -- ' Dioxine. technical grade --(Skin........................ SO Diphenyl........................ 0.2 Diphenyl amine............. Diphenylmethane diiioeyenate, cm Muthylene biapfaeayi ieoeyanate (MDI)___ Dipmpyieae giyool methyi ether -- Skin. 100 Diquat........................... -- Dwee, octyl phthaiate (Di-2-ethylhexyl- phihaiate).................. Diayntoe--Skin............. Emery........................... Endceulfan (Thiodaa*) -- 3kin....................... Endrin --Skin.............. Epieiilorhydrio -- Skin.. EPS' Sirin.................. -- 5 -- 1. 2-Epoxypropane. aer Propyicaeoxide........... 2. 3-Epoxy-l-propanoi. tee Glycidot............... Ethaaa........................... T Ethaoethioi. eee Ethyiaaarcaptaa......... Ethaioiamine................ w 3 2>Etfloxytthanol--Skin. 100 2-Etlioayethylaeetata (Ccltoeolve acetate) -- skin...................... 100 Ethyl acetate................ 400 Ethyl acrylate--Skia... 28 Ethyl alcohol (ethanol).. 1X00 Ethyiamiae.................... 10 Ethyl eecHunyi ketoae (5* mathyl-3-haptaaone).. 25 Ethyl beeaene................ 100 Ethyl bromide............... 200 Ethyl butyl ketoae (3* Heptanone)................ 50 30 1 5 (5) 1 OX 14 ISO 1 10 600 04 i 0.1 E 0.1 0.1 19 ox 6 370 540 1.400 100 1X00 IS 130 435 890 230 Sm S fe ell acre* Sutoaaea epei*' mg/M Ethyl chloride............... 1.000 Ethyl ether.................... 400 Ethyl formate................ 100 Ethyl mercaptan........... 0.5 Ethyl rilicate................. 100 Ethylene....................... F '* Ethylene ehiorohydrin-- Skin........................... 5 Ethyienediaoina......... . 10 Ethylene dibromide, eee 1,2-Dibromoethane... Ethylene dichloride, eee 1, 2-Diehloroethane... Ethylene fiyeol, partku* late............................ Ethylene (iyeol, vapor.. 100 C Ethylene giyool diaitrate and/or Nitroglycerin-- Skin........................... 0.2* Ethylene flyooi mooo- methyl ether acetate (Methyl eeiloeoive aoe* tate) --Skin.............. 25 Ethylene imine -- Skin. as Ethylene oxide.............. 50 Ethylidine chloride, eee 1, l-Oiehloroethane... *C Ethyiidene norbonene.. X-Ethyimorpheline-- Skin........................... SO Ferbnm......................... Ferrovanadium duet----- Fluoride (u F).............. Fluorine......................... 1 Fluorotrichloroaathaae. 1,000 C Formaldehyde................ Formic acid................... 2 5 Furfural--81dm............ 5 * Furfuryl alcohol............ 5 Gaeoline........................ Germanium teuahydride .OX Glaum. Sbroua- or dual... Glycerin mica................ jlyddot (2. 3-Epoxy-1- propanol)................... 50 Glycol moooethyl ether, eee 2*Ethoxyethanol.. Graphiw. (Synthede)... Guthion,* eee Arinphoo> methyl....................... Gypeam........................ Hafnium....................... Helium.......................... F Heptaehlor--Sirin........ Heptane (a*hepcane)-- 500 2.000 1.200 300 l 850 16 25 10 260 120 1 90 25 94 10 1 2.5* 2e 5.600 3 9 20 20 B* 0.6 E E 150 E 0.5 -- 0.5 2X00 s TO T? ;< i i DUP 0960 M0 -1 DU 040450 CONFIDED th AMU 1*41 Ml tv Jam lUS THHSHOta UMIT VAIUU OF AlMCtNI CONTAMINANTS TAIU 1 - ADOPTS) VAUJO (CONTD) mf mg/M*** kMN a* i mg/M * Hexachloroeyelopenta* diene.......................... Hexaehiorocthane--* Sinn........................... Hcxacfaloronaphthalene -- Skin....................... OjOI 1 -- Hexafluoraacetono......... * Hexane (n*hexane)......... 2-Kexanoee.................... Haxona (Methyl ieobutyi ketone)....................... me*Hcxyl acetate........... Hydraaine--Skin......... Hydrogen...................... Hydrogen bromide......... C Hydrogen chloride......... Hydrogen cyanide-- Skin........................... Hydrogen fluoride......... Hydrogen peroxide........ Hydrogen eeienide......... Hydrogen aulfide........... Hydroquinone............... TAm........................... Indium and oompousda. aa In........................... C Iodine............................ ** Iron oxide fume............. Iron pentaearboeyi........ Iron aalte. aoiuble. aa Ft. Iaounyt acetate............... Ieeamyi alcohol............. Ieobutyl aeatata............. ** laobutyl alcohol............. **Ieopboron..................... Ieopiopyi acetate........... Iaopropyi aloohol--Skin. Iaopropylamine.............. Ieopropyiatber............... Uopaopyi glyeidyi ather (IGE)......................... ai soo 100 100 ao i F a s 10 3 1 0.05 10 -- 10 0.1 Me aoi 100 100 130 100 (33) 350 400 * 350 M Kaolin........................... Ketene........................... 0.3 Lead. Inorg.. fumm and duett.......................... Lead amnat*............. -- _ Limeetoae...................... Lindane......................... -- Lithium hydride............ I-P.G. (Lkpnfled prtro* leva pa)................... 1.000 Magnetite...................... -- Magneaiura oxide fume.. -- Malathioa--'Skin......... -- Maleic anhydride........... 0.25 S S ( all ann 0.11 10 0J 0.7 MOO 410 410 300 13 10 7 ll a* 1.4 0.3 lfl* 3 48 0.1 1 (10) aas i 535 360 700 300 (140) 030 m 13 ljOOO 340 E 0.0 0.134 0.13 E 0.5 0X05 U00 E 10 io l C Manganeae and com* pounda, aa Mn... * Manganeae eydopenu* dieayt triearbonyl (a* Mn)--Skin........... Marble.......................... -- Mercury (Alkyl com* pounda) -- Skin......... 0.001 Mercury (Ail fonne u- cept alkyl)................. -- Merityi oxide................ Methane........... ......... 33 F Methanethiol, aee Methyl mercaptan.................. _ Metboxyehlor................ -- 2-MethoxyethaEai--Skin (Methyl celloeolve)... 35 Methyl acetate.............. 300 Methyl acetylene (pro* pyne)......................... 1.000 Methyl acetylene* propadieoa mixture (MAPP).................... 1.000 Methyl aaeyiate--Qda. 10 Methyl acrylonitrile-- Skin........................... 1 Methylal (dimethoxy- methane)................... 1^X30 Methyl alcohol (metha- ool)--Skin.................. 300 Mechyiamiae................. IO Methyl aayl alcohol, ere Methyl ieobutyl earbl* nol............................. mmm Methyl 3-eyanoaeryLara. Methyl icoamyl ketone.. Methyl (n*amyl) ketone (2-Hoptaaone)........... Methyl bromide--Skin. Methyl butyl ketooe. aee 3*Kexanone................ Methyl ealloaolea--Skin 2 100 100 IS tee S-Mcthoxytthanol. Methyl oallceclva acetate -- 3kin, aee Ethylene glycol monomethyl ether acetate.............. Methyl chloride............. Methyl chloroform........ ** MethytcycJofaoxane....... Methylcydohexanoi___ o-Methyteyeiohexanone* -- Skin....................... MathyicycJopentadienyl manpnem triearbonyl (aa Mn)--Skin......... 100 330 son 50 50 0.1 5 0.1 E. 0.014 0.034 100 -- _ 10 _80 310 1.650 MOO 35 3 3.100 300 12 8 475 485 80 210a 1.900 2400 233 230 0.2 DUP 0960141 REV:_!!i w* __ DU 040451 3ar ***#10 TMIISHOtO UAtir VAUJU OP Ad.MINI CONTAMINANTS '.l w. ^ ambi mi May ,fyj >74 TASU 1 - ADOPTED VA1UIS (CONTO) a S % SebuMM* "/** IgbeCeeae PP** Methyl demetoa--Shin. -- 04 Methyl ethyl IcetoM (MEK), at* 2-Bu- ......................... *TM" C Metiyl thyl ketoo* peroxide..................... 04 1*5 Metiyl format*............. Metiyl iodide--Skin... Metiyl ieobutyl earbiaoi 100 5 290 29 -- Skia....................... 39 Metiyl ieobutyl ketoae, 100 eu Hexoa*................. Metiyl ieoeyaaat* -- SSia........................... 0.02 0.05 Metliyi mercaptan......... Methyl methacrylate.... Metiyl parathion 31rin. 04 100 1 410 0.2 Methyl propyl ketone, mu 3-Ptctaaoee......... C Metiyl ailieat*............... ** 5 -- 30 C a Methyl ityrcne........... 100 490 C Methylene biaphenyt iaoeyinate (MDI).......... 0.02 Metiyleoe ehloride (di- 04 ehloromethaae)......... (300) (1.740)4 * 4.4'-!vt*thylen* bia (2* ehlorantine)--Skin. .. 0.02 A* *C Methylene bk (4-cyto> hccyliaoeyaaate)........ Molybdenum (actable compounded.. (iaaoiubl* compound*). 03)1 0.11 a 10 Moncmethyl aniline -- Skin........................... C Moncmethyl hydruia* --Skin....................... Morpholine--SUn....... 2 04 20 9 049 70 Naphtha (coal tar)........ 100 400 Naphthalan*.................. 10 90 d-Nephthylamin*.......... A** Neon............................. r --* Nickel carbonyl............. 0401 Au0407 Nickel, octal and UaoU uble oompouada(aaNI) -- * Nickel, actable earn* pound* (aa NQ........... -- Nieotine --SUn............ oms l 1 04 Nitric odd..................... 2 5 Nitric oxide................... p>Nim*niline--SUn... Nitrubeaarae--Slda.... 23 1 1 30 9 5 p-Nitrochiorobenain* -- Skin........................... 4-Nitrodipheoyi............. -- -- 1 Au Nitrotthaae................... 100 C Nitrticta dioride........... 9 310 9 See 11 Iw ell nm . Nitrejen trifluoride....... 10 Nitroglycerin -- Slcia___ 0.2 Nitromethane................ 100 I'Nitroprapane.............. 29 2*Nitropeopane.............. 29 N-Niuoaodimathylaaune (dimethyiaitrocoamine) --Skin....................... <- Nitrotolueae--Skin.... 5 Nitrotriahloromethane, aae Chloropicrin......... Nitroua odd*................ P Octaehloronapbthaleae -- Skin....................... Octane........................... 400 Oil mirt, particulate.... -- Oil miet, vapor.............. Omnium tetnndd#.......... 10002 Oxalie acid.................... Oxygen difluoride.......... 0.09 Own*............................ 0.1 Parafln wax fume........... Paraquat--Skin........... Parathion--Slda.......... Peatabofxne.................. 0.009 Pentaehloroaaphthaleae --Skia....................... Ptntachiorophaaol --Skin....................... Peataerythritoh............ Pentane........................ 300 2-Ptnuneo*.................. 200 Perchioroethyien*.......... 100 Perchloromethyi mcraptma.................... 0.1 Ptrchloryi fluoride......... 3 Petroleum Diatiilatee (naphtha)..................... Phenol--Skin................. Pheaothiaaac -- Skin... S' _ p-Pheaylena /<-- -- Slda............................... Fheayi ether (vapor).... 1 Phenyl ether-Oipheayi mixture (vapor)........... Phenyiethylene, at* 1 Styten*......................... -- Phenyl *iyddyl ether (PGE)....................... 10 Phenyihydraiint--Skin. 9 C Phenyiphoaphine........... 0.09 * Phorate (Thimet*)--Skin -- Phocdrin (Mevinphoe)* -- Skin....................... 0.01 * Phoeftn* (carbonyl chin* nde)........................... 0.1 29 2 250 90 90 A* 30 0.1 1400 y erne 0.002 1 0.1 04 2 04 &1 041 04 04 E 1400 700 970* 04 14 19 9 0.1 r 7 -- 90 22 0.29 0.09 0.1 0.4 8 O <n DUP 0960 M2 DU 040452 17S s si > UJ cs ano. i**i Title Pe*e Rev Jan 1775 TNIISHOtO UMIT VALOIS OP AH-30INI CONTAMINANTS * 2r SnhrtMen TAIU 1 - ADOrriO VAlUiS ICONTOI ttt MMimi . Phoephiae...................... Phosphoric add............. Phoaphorua (yellow)___ Phoiphoru* pentaehlo* ride............................. Phoephorui pentaeulflde. Phoiphoru* trichloride.. Phthalie anhydride........ Picric add--Slria......... Pival* (2-PivalyM, 3* iadaadieae)................ Platter of Faria.............. Platinum (Soluble Salta) u Pt.................. ......... PolychlorobtphenyU, am Chiorodiphenyle......... Polytetrafluoroe thyleae deeompoeitioa prod* ucte............................ C PottBBum hydroxide___ 0.3 -- -- -- 0.6 2 -- -- -- -- Propone......................... 8 PropioUccoae............. Property! alcohol--Slria. n-Propyl Meate............ Propyl alcohol--Skin... n-Propyl nitrate............. Propyiaoe diehloride (1, 3-Dichioropropxae)... PropyleM (iyool mono* methyl ether.............. Propylene Imiae-- Sion. Propylene oxide............. Propyoe. .eee Methyl* eoetylene.................... Pyrethrum..................... Pyridine......................... Quiaoae......................... RDX-- Sktt................. Rhodium. Metal fume and duett (aa Rh)___ Soluble mite........... .................... P 1 300 300 33 73 100 3 100 3 0.1 Roda Cere Solder, pyrdyria prodatta (ax formaldehyde)............ Rettnona (oceunerdal).. Reef*............................ Maannu eempotmde (u Se)............................. Stiflfem keaftioidi... Sertt* (eee Carbaryl)... 006 Silane (me BOtan tttra* hydride)..................... Silieea........................... Sihooa aarfatde............... 0.4 1 0.1 1 1 3 12 0.1 0.1 E 0.003 B 3 -- A' 3 840 300 110 330 360 8 340 3 13 at u ai aooi to 0.1 3 E oa 0.4 E E * SQiooa utrahydride (Silane)...................... Silver, metal tad eohible O.o eompounde................. Sodium fluoroacetate (1060) --Skin............ -- -- **C Sodium hydroxide......... Stareh............................ Stibiae........................... -- -- 0.1 * Stoddard roleeat........... Strychnine..................... Styrene (Monomer) (Phenyl ethyteae)----Sueroee.......................... Sulfur dioxide................ 200 -- 100 -- 3 Sulfur hexafluoride........ 1,000 Sulfurie acid.................. -- Sulfur BMaoehlorida.... 1 Sulfur pentafluoride....... 0.033 Sulfur tatrafluoride....... 0.1 Sulfuiy! fluoride............. 5 Syatox. eee Demetoa*... -- 3.4. S-T......................... Tantalum...................... TEDP--Sirin............... -- -- -- Teflon* deeompoeitloa produett.................... -- Tellurium...................... -- Tellurium hexafluoride.. 0.03 TEPP -- Skin............... 0.004 CTerpheayla.................... 1 1. 1. 1, 3-Tetreehloro-a, 3-difluoroethaoe......... 500 1. 1. 2. 3-Tetraefaloro*l, 3`difluoroethane......... 300 1.1,2.2-Tetmehloro* ethane--Skin........... 3 Tetraehlomethyime, eee Pxrehioroethylece.... Tetraehloroiaifhene, tee . Carbon tetrachloride.. TetnwUoronaphthalene --an....................... -- _ Tetraethyl lead (aa Pb) --Skin....................... -- Tetrahydrofuraa........... TetmaMthyl lead (ae Pb) -- Skin....................... Tctramathyl eucdBoai* trile--Skin................ 300 -- 0.S Tetraaitrometbaae........ Tetryl (2.4. 6- triaftropheayi* methyinitrmnuii*) -- Skin......................... 1 -- > /** 0.7 0.01 0.03 (2) E 0.5 MS0 0.13 430* E 13 6.000 1 6 0.33 0.4 30 10 5 0.2 B 0.1 0.2 0.05 0 4.170 4.170 33 0.100*'* 390 0.150*'* 1.3 ee 1 <e> all eatee DUP_0960143 J DU 040453 TMBUMOU) UMIT VAIUIS OB AIMOBNI CONTAMINANTS AMB, 1H1 ThH N|t May H7I lukdnM TUU i - aooptio vaiuis (coNraj ats/M*4* Sab mm m PP*** Thallium (Mlublt l>ounda>---Skin (aa Tl). Thirtm*........................ Tin (inorganic com* pounds. txctpt SoHa find SaOt) aa 3a......... Tin (organie compound*) --Skin (asSa)........... Tin oxida....................... Tilaaium diorid*........... Toluaat (toluol) -- Skia. C Tolutat-X 4- <lii*oeyanata(TDI)___ 100 0.02 o-Toluidin*.................... Toxaphaa*. aa Chlori nated camphtaa......... Tr-butyl phosphate....... 1. 1. 1-Triehlorosthaa*. laa Mtthyi chloroform. 1. 1. 2-Triehloroathaa* --Slda....................... Trichkyoathyiina.......... Trlehloroiaathaaa, aaa Chloroform................ 3 10 100 Tnehioroaaphthalaaa-- filria........................... 1. It, S-Triehloroprapaa*. 30 1. 1. 2-Tri*hion> 1. 2, 2- tri&uoroathaa*........... 1XOO Triatbyiaxaua................ as Trifluoromoaobromo* toathaoa.................... 1,000 Trmathyi banatca....... a 2. <W 6-Triaitrophaaol. mo Maria acid.................. 2. <1, 8-- Triaitraphaayt- tuthyiaitnaia*. aaa Tatryi........................ 0.1 3 0.1 E E 378* 0.12 22 43 335* 3 300 7.800 100 8.100 120 Trinitrotoluana--Skia.. Triorthocnayl phoaphate.................. Triphanyi phoaphata___ Tuogacaa ft compound*, uW Solubla............. loaoiubla......... Tutpaatiaa.......... tlmninm (aatoral) ubia ft inaolubia pouada. aa U....... 0.2 -- 100 -- 1J 0.1 3 1 3 380 0J Vanadium (V0), u V - Dust.......................... Fuma......................... Vinyl aeatata................. Vinyl banaana, aaa Sty- mm mm 10 0J 0X8 30 raaa................................ am Vinyl broaaida............... 230 MOO Vinyl cbiotidi (Sit TiMt 3 ia4 iti Min Viayleyaaida, aaa Aetylonitrila.............. mm Vinyl toluaoa................. 100 410 Warfarin....................... Wood duat (nooaJlarptaia)........... Xylan* (xylol)--Skia.. Xytidiaa--Skia............ -- -- 100 3 0.1 a 438 28 Yttrium......................... Zina eblorida fum*....... 22a* oxida fuma............ ' Ziaa itunu.................. Zlreoaiua eompauada (aa Zr)....................... -- MM MM mm -- 1 X 5 E S a .2 i fa* * S far ll aataa 0 DUP 0960 Md ______ ___ J DU 040454 XTf X I, - b <2 u. C5 f s 92 2 C. /APRIt I**1 nil Pege -tov May 1*73 THRESHOLD UMIT VALUES OP AIMOINf CONTAMINANTS J 2T P*# 13 Table 2 TABU 2 ~ MINIIAl OUSTSr 1*74 Adtaoa See Notice of Intended Changes for Mineral Dim*. Table 4 Tt A more atriagent TLV for crocidolite may be required feateeNii (i) Milliona of particles per cubic foot of cir. ksaed on impin^r Kmpln counted by light-field teehnir*. (j) The p*wnl*fe of quirts in ih* formula U the amount determined from airborne temples, except m those iiMUnoM in which other method* hive born down to bo applicable. (k) Both concentration and percent quarts for the application of this limit are to hr determined from the fraction patting a siae-teJtctor with the following chsracteriaiacs: Aerodynamic Diameter |;im) (Unit Oenaity Sphere) % feiilttf Selacter <2.0 IS 3.3 SA 10J> *0 7S so 25 0 (l) Containing <1% quartxt if quarts cement > 1%. uar formulae for quarts. (n) As determined by the membrane (liter method at 400-430 X magnification 14 mm objective) phaer nm> traat illumination. (p) "Raapirobie" dost as defined by the British Medical Reareaeh Council Criteria (1) and a* sampled by a device producing equivalent roanha (2). (1) Hatch. T. E. and Genas. P. Pulmonary Depuaitioa and Retention of Inhaled Aerowila. p 144. Academic Proas. New York. New Yurk. 1944. (2) Interim Guide for Rmpirable Mam Sampling. AIHA Aerosol Techiwlum Committee. AH1A J. Jit 2. 1*70. p 133. SILICATES (< 1% quarts) SILICA, SO* CryttaiUsu Quarts TLV in mppcf: 300* ^ quarts 10 TLV for nepimbie dust in mg/a1: 10 mg/m*" % Bsspinbls quarts + 2 TLV for "total dust." teepirable sad noarmpimble: 30 mg/* % quarts + 3 Cristobelite....... Use one-half the value cal- roleted from the count or i formulae for quarts. Tridymite Use one-half the value oaltulued (ton formulae for quarts. Silica. fused l/ae quarts formulae. iisurpAmir.......................................... 20 mppcf11 Asbestos, all format 3 fibers/ee > 3um in Graphite (natural) length*'; A" 13 mppcf hues 'Mineral wool fibor Partita Portland Cement Soapstone Tale (honisbertiform) Tele (Ahrous) uar Asbestos limit. 20 mppcf 10 n|/B( 30 mppcf 30 mppcf 20 mppcf 20 mppcf Trentoilto, see Asbestos. "Tripoli use respirable* mass quarts formula COAL DUST (bituminous). 3 mg/m' (respirable dustjrae- tion < 5% quarts). If > 5% quarts use respirable i formula. NUtSANCt PARTICUtAm (see Appendix E) 30 m.p.p.ei. or 10 mg/m10 of total dust < 1% quarts Conversion factors mppcf X 35.3 -- million particles per cubie meter m particiet per e.e. T TaMa 2 velvea ere easel M or lower fiaere reatrletive) Asa Ante promslte'od wider QSHA per tf19.93, ui 1910.93a. -H- DUP 0960145 DU 040455 1 1t In. 14 mUSHO10 LIMIT VALUIS OP AUUAOtNI CONTAMINANTS AMU |f| TW* Page lev **y 1 <7| TAU a - NOTICI Of INTINSIS CHAMOIS (SOI 1*74) TImm lutamA '*h their corrapending vtluw. eomphae thoee for which either a limit ha been proposed for th Or* time. <ar for which e chtnpt in the 'Adopted' Iwunj h been prepared. in both ---r, the prupoaed limiti thonW be contidered Kiel Iunit* that will remain in the luting for a period of at Icut two veer*. If. aftac two veer* no e* idanee ceatea to light that quaMiona the apprapnateneaa of the vatoee heroin, the value* will be roconeidered for the 'Adapted* lire Documented** it available for each of thee* ntbatancea. Novo* for Table 3 Cep itel letter* refer to Appendieee (Except for "C* ihown to the left of wbetaneee la Table 3. Thia indicate* datii for that wbatanee reiau to Ceiling Limiti. See 44 and 4X1 for dacuaaien.) v 1974 Reviaien or Addition (a) Peru of vapor or fa* per million part* of contaminated air by volume at 23 C and 760 mm Hf prawer*. ,b) Approximate milli^ama of aubetanca par cubie mater of air. (o> Baaed on "hi^ voluwia" tempting. + R. W CONFIDENTIAL W AW 3u balance ppm" * Ainenic. inorganic corn* pound* (aa Aa)...,___ * Btnaeoe Skin................ 10 " Butane............................ 900 *n-3utyi alcohol............... 30 n-Butyi locate................ * Cc.dmium duia Ie ialt*... C C:4miunt oxide fume.... Cc.lcium cyanimido......... * CUdum hydroxide.......... 3 -- -- -- -- * Ctpua............................ -- Cwbofuran...................... -- Carbon tetrobromide....... 0.1 Catechol (Pyrocnteehol).. l Crsiua hydroxide........... A* Chlorodifluoromethane... 1000 Chiorpyrifae (Dunben*) --Sldn............................. o-Chioroetyrene.............. 30 2-Chloro-0-(trtehloro mnthyll pyTidittt* (N- Servt**)........................ Clupidoi (Coydca*)......... Capper fume................... Crafomaxr (Bucieoel*... * Di:\ciopeuiaifletie........... Di :yctoftrotadUnyBron... -- wmm -- S -- Di-ihvlphthalate............. -- * Di methyl aulfate--Skia.. w-- 3.1 DiaUp-o*toluamide 1 Zoahtno**)................... * Duulfurom...................... 2.0-Ditrrt. butyi-p ewead -- - * Dvfonutr......................... -- *C E tyivur cblorohydria -- lildn............................... : 1 * Fciaulfothioo (Damnit).. -- Formamide......................... 20 *C Clutaraldritvdr.................. 2 m/.m* 0.23 30 1.430 130 23 0.03 0.03 0.5 2 3 0.10 1.4 4.3 2 3300 0.3 233 10 10 0.2 3 30 10 s A* 3 2 to 0.1 3 0.1 30 8 SebetaM* ppm* mf/m *C GUitaruldt'livdr (Alkaline activated).................... * Hrptanc.......................... * Hexane........................... * HcxvU'ftf glvcol.............. Hydrogenated tcrphenvli 400 100 25 0.4 0.23 t.CO* 3W 123 4.4 * fodoform......................... Imn QxitJt> fume.............. * laolwitvl alcuhol.............. +C Ixonhtimtie...................... 0.2 B4 30 3 3.0 3 130 23 * Met hyievetohexane......... 400 1.000 Methylene chloride (Di* ehlnmmcthune)... .. too 300 Nickel. Htiublemita fiut Nil -- 0.1 Nonane........................... 200 I.OSO Octane............................ 300 1.430 * Pentane........................... fiOO 1300 *C Phsegene......................... 0.03 0.2 Pidnram (Tordon*)....... -- Rrcorainol....................... to 10 43 *C Sodium axide.................. 0.1 0.3 C Sodium hydroxide........... --a 2.0 Stoddard Solvent............. 100 373 CSubtilUina (Proteolytic enxyate* a* 100% pure erytailine etuyme)___ 0.000001 * Sueei ndialdehyde (fee Glutaraldehyde).......... _ * 4,4'-Thiobia (4-trrt butyi- tn-emtoi)..................... 10 Trieyelohexyltin hydrox ide (Pfietran*)............ 3 * Triphrnrlamine.............. -- 3 * Vinyl chloride..................Pending t A ' Vmvlidene chloride......... 10 40 Welding fume* (Total Par ticulate)....................... i*B4 * m-Xylene.aj'-Duunine... -- 0.1 t lr ttiHA refvieHan, aeatio* 1710.73*. Vinyl Chloride TLVi awe. 1 a*at evorafo in e IS mimttm petted DUP 0960 M6 v 1 DU 040456  179 Am ivsi TM >l * May igyg THtUMOLD LIMIT VALUIS Of A1MORNI CONTAMINANTS S2T 13 TAMI 4 - NOTICI OP INTINOIO CHANDIS SOI It74 - MINIRA1 OUSTS Natat lar Tab)# 4 * 1974 Additiaa if) "Ra^irnhk" 4a a dcflaad by the British Medktl Rrrasirh Council Criiaria (l) in4 a aotpkd by t dark* producing cquivclcat ranlu (2). (1) Hstsh. T. E. 4 Grata, P- Pulmaacry Deposition and Rouatioa of lahsJtd Aoraala. p 149. Aoadaak Pram. Now York. Raw York. 1964. (2) laloriat Guido far Rapinbla Maa Sampiiag, A1HA Aerosol Tochaalocr Committee. AH1A J. SI: 2. 1970. p 133. Sabataaa + Diataaaeaoua tank (Natural, aacaicinad) SUiea floor 1 mg/tm* TIV Ua ratpirabk ^ aan fonaala far quarts IVIlNUaUNOO Ml Nf Mfl TABU - ACC1PTABU TIV (TWAI. CBUNO AND MAI CONCINTtATWNS Malarial and Referenced ANSI Standard4 Brum* (ANSI Z37.4) Brrvilium aad btrt ilium compouade (Z37.20) Cddmwm Cum* < Z37^| Cadmium dust (2JTJ) Carbon diauifidc (Z37-J) Carbon letmdiiond* < ZJT. IT) Kiln Iror dibromidt (237JI) KUitlsfl* dichturidel 237.21) Formaldehyde (Z37.16) lltdropm fluarid* IZ3T.2S) Fluoride am dost (237.2B) trad aad it* iaorgaak aapaaada (Z37.ll) Metbvl chloride (Z37. IS) Metittiea* chloride (Z37.23) Orgaaaloikvl) mercery (Z37J0) St) mta (Z37.13) TrichlorwethtleB* (237.1V) TrtraWaraatbykaa (Z37.22) Tufuo*(Z37.12) | ll)dra|m*aUida(Z37J) 1 Mrrturv (Z3741) 1 Cbrootkadd aad chromate* < Z37.7) TIV(TWA) AHaur Tima Waightod Avoraga 1U ppm in*/ M* o.l mgu M* 0.2 sip/ M1 3U ppra lu ppm * 20 ppm 30 ppm 3 PP 3 ppm 2j me' \f 0.2 m'p NP UK) ppm 300 ppm u.01 mg. \P loo ppm 100 ppm lOO ppm lOO ppm 0.0S ms/M' 0.1 ms/M' Accaplabia Carling Csncantradan 23 ppm 3mS M' t).i ray* M 1 0.0 m.' M1 30 ppm 23 ppm 30 ppm IDO ppm 3 ppm 200 ppm looo ppm o .i 14 me M1 200 ppm 2<lu ppta 200 ppm 200 ppm 20 ppm Astaptsbia Maimwm taab Above tha AacaplaWa Catling Cancankadan kr an AHeur Shift Maximum Cancantradaa Duralian .30 ppm 25m * \r 10 nirautr* 30 miaum l*H ppm 2**0 ppm 30 ppm 2o<> ppm lo ppm 300 ppm 2000 ppm Otto ppm 3**tl ppm .100 ppm .V*) ppm 30 ppm 3*) minutp* .) min in am I hr 3 minute* 3 min in ant ) hr 3<l minute* | j [ i 1 i 3 rnin in ant 3 hr 5 raw in uni 2 iir i 3 inin in ant 3 hr 5 min in tin> 2 hr 3 rein in in% i hr Id tninuirMMHV 'ldi |o minute* one* ' III aiaain aaat sett if aa ether aaaaurabk sxposurs octal* 6 Caaaanr* aaadarda rsfarsuoed ia OSHA rtguiadoa* by iaa* dak aay aal ba tha lakM edition. Hewtvrr. ii it Gmapaiy practise a ua far idaaa Iba aamal tditioa af aaaaa* aaadarda. hoetlens petered ia rad moat a atiaad OSHA iqtlnlMi aar 1919.93. DUP 0960147 .2 DU 040457 CONFIDENTIAL --awsaaigBoii*MtJit <--mmbbe --w IT Nga 1* THIUMOIO IIMIT VALUES or aib-iorni CONTAMINANTS APWl iyg| Wdl rag* to* Jan 1075 AFMNOIX A t Tba eomwian Uwt baiaw than aubatancaa in induauiai im that hart fra*TM carcinogenic la man. or h inArad ana* in aniaalo undar appropriate xpariimaoui canditiana. Pmoil luting af thaw inhalanra carcinogtnic for naa taka thrw fornu. thaw for whiah a TLV ha* haan aaignad (la), thaw far which naimnnicntal eondittana har* ant haan auffiaiantiy dafinad ta aiigi a TLV (lb), and It. thaw whaw raaaaigiintent at a TLV ia awaiting nor* daflnhhra dma. tad haiwa theald ha traarad ta t lb caaeinogn. la Htatan Coniaagana -- Suhatanot racopntwi at ocirpariwai tartinogna with an aatignrd TLVt AtMttaa, all farm. S flban/a>S*aa ia Inglh bit (Chiareaiathyi) atkar. 1 pph. Qirownua. aruia inwiahla fanna (Pb, Za. and ehi'awata thwiatiu or*. lOOng/w*. ta Cr) Catl tar pitch ralatilw 200tt|/* Nhkal carbanyi. 1 ppb lb Human Caralaataat - Subatancat known ta b* palam aonpttiaiul friaagnu without ta mailed TlVi 4-Aartsodiphaayl (pXnylamiao) Batddiaa A iia taha bata-Waphtfayfilaa O-nkxwdiphanyi la Human Caratnagana -- SabMaaaw awaking rwnigaaian at TLV bawaw at totally dam*trad atvlnoatainty. Vinyl ahlarida, TLV paadlag. For tha anfaHatra la lb, no npawn or aoauet by any root*, rmplamary. tkia or oral, w dalartad by tho awt tanailira mtthtda. thall bo pa niltad. "No lpinai a* aanttat** aaoaa barakWag dta pwera a* aparadon by tho boat pratlrabla wpinwring aahada. Tltn arorkar tkaald ba pnparly apulpptd ta anwra rirtadly aa 1 Itportaatlol Cartteagoa* -- ladarid rnhrtnmi (band to ba t^aMi at homing anaan aadar a* pwiawtal atadWim fat wiadai Boryillua (TLVt IM ayV) 3. r-Ofahlowhaodilaa Dtatacbyi a*ihM EdtrlaaidariM 4. 4'-Sdatbyian* bit (I-TblaratnUbta) V-WwaaadiaMMhyiraia* bat*- Fnpiotaecaeo Far tba aba**, aarhar wpoaara by all raww ihatdd ba carnally watrallad ta la*al* wodataal with dw APPIN0IX B B1 Paiytatrailuaraathylana* Oatantpotltion Praduatt. Thannal dacowpailian of tha fluorocarbon chain in air laadt ta tha fomtaciaa af --irtitad pcadaeta wotaiaing carbon. iltwrina and oxypaa. Bawaw thaw producu iatanpnw ia pan by hydralytia ia alhaiiaa aolatioa. thay can ba qaaa. UUUrtiy dataratiaad ia air w Hitarida to pnvida an iadaa af wpoaum. No TLV ia ratio naadad paodbtg dtaarainatloa af tho tonicity af tha pradacta. but air rnairntraiona ahould bo itapt baiaw tha liatit af tan* atlirity af tho analytic method. B* OaooUao. Tha aotpontiao af poolin* aariw grwtly and that a nagio TLV far ail lypat af thaw notarial! ia no la*par applicable. ta pnaraL tha awoutia hydocarbaa a*lam will daumiaa what TLV apfUaa. Caaaagtaaatly. tha wataat af banana*. alhw atawotiw and addihtraa tkaald ba datarainad ta arm* at tho appropriate TLV (Elkina. at tL. A1HAJ 24t4*. 1963). B* Potmitvai Oiitlllataa. Far patrolman dkcillaiw far wkiak aa tpnrifl* TLVi an Iktad. approximate raiaaa aaa ba aktalaad by aaa af tba fallowing ayiMlant TLV 10B *y J6AI 14(200-BJ.*C.) a 20 U(200-BJ.*C.) a 10 A1 Ar ILF. - Allphaila waapwmt w Anatmie wpoanot - Moot bailing pain indapan antipode (aoratally tho $MbdiatiUatioa Tho agaatiaa caaaat b* aaad if tho banana osmant at tha fratlaa wewda 19k. aor If tha naan bailing point ia that* 200 C It any alaa laad to arm if than an largt awaaata of haunt or ryalahtnaita hi tho dindUair. If tho olaaalar n liftil (araragt) ia not known far tho nann. it wa ba ppraiuaitad by tho fallowing TO T<! 3 St aubaaamn wkh a liatad TLV. * Trodt Nanaai Aioadaa, Plua*. Haiw. "TaAan,' t Alw aoo diawaaiw in 34 M.W. - 9Ai * OJMAr + OJfBJ.'C.) - 100 OUP 0960MS DU 040458 APL 1H1 Thk Pug* lav Jan m$ THKSHO10 UM1T VAIUIS OP AIMOINI CONTAMINANTS S 3T Page 17 < o o u; ft It B' Welding Puma* -- Tsui Particulate S mg/m* (N.0.C)<1> In aiattric or exy*gae welding of iron or atocl, gtivanked iron or altaaintaa. the chief components of th fame aro ordinarily osidm of iron, one or alaatiamn. Othm Ammo, aa trail at tonic fata* Bay 1m proaant in ngailieant faunts. however. Msnpaaae. silicate and orpak bindme aro mauaoaiy perncm in tha eoctinp of welding rods for ferrooi natak; fluoride in theoa for alnmiaw. And aiamenta roah aa areank. topper. aro amethaee found. Many aimniaum rada Motrin sppraciahlo quutitias of tilieon. and tear luro trooao of beryBium. In hiaidad are welding, onaa ia often formed, and aarbon meuexide ha boan rtperttd whan CO} wa utilised a ahiaid pa. Onidaa of aitropn aro mart likely to bo amriatod with exy.faa than with oiaetrie aro welding, Boeaoaa of the addition^ baaard aroatad by tonic paa and trocoa ta aaail wounta of ftnnas of aorc tonic oimianu. the total (haa Maecntration. whan voiding iron, aiid narl or alanraan. thanid not at. rood S mg/m'-in tha breathing ana ef tha waider or othai ia tha arm. Tho Ana from Maioiaaa steal, cadmium- or loadaaiad Moai. and ether mttab toch a capper and nickel are aaiidarchly atn tank utd canoammiona thould pnvalty be kape a a Inwar krai, depending an tha TLV's of tko aotala Inveked. In addition, ia tha dikldod am welding of alumiama. niaciroty krp ansaama af aanao may bo (rnanted, and tka onacantratian of thk pa nicy iarply deter* alna tha health haaard. APPtNOIX c Threshold UmM Valooa far Mixtures Eneoptioae ta tho there ruit may be made whan ` there ia pod maaort to beikvt that tha chief effacta of the diflertnt harmful iabetment are aot in fact additive. hat independent as whm purely kaai effects aa diflerent orpnt ef the body are produced by the rarioua com. portents of the minturt. In each caw the thraahoid limit ordiaariiy ia ancaedad only what at laaat one etesiber of , + or * ate Ti Tj itadf has value Hading unity (ms Exwnple lAx). Aatifoainie action or pasaatiation may occur with acme combinations of aimatphotic contaminants. Such caw aa prmmt man be deurmiaed individually. Patentkting or antagonistic apnti aro dot aaeaaawily bwmful by thwtoivm. Potentiating offset* of cnpmui* to toch apatt by ratnm other chan that of inhalation is aka possible, 04^ ithiked aloohei and inhaled nmeatic (trichloroethylene). Potentiation k characteristically aahibitod at high mrwatmtiona. iw probdtiy si low. Vkm a gkan aparuiaa or pmaw charartariaticiUy amits a aiunbar af haamfal dam. (mum, ripen. or gmm, it fraqwmliy will be only fmaiblo ta otwmpt to erakaie the haurd by mamorftat af a tingle auhaunet. In aoeh caw. tha thraahoid limit aaad far thk suhatMM should bo mduaad by a wtahla (actor, tha magnitude af whkh will depend on tha imir. tonicity and rtlotke quantity of tha ashor Matwinanu ardktarily prmout. Fnwplm af pramsw which arc typically woeiated with two or mate haamfal afasphark easnaminaata art welding, mmobik repair, blaning, painting, lacquering, certain iaaadry aparatiaaa. dkaai anhaaau. ate (Example 3 in LAe). patent, thair aambinad tOmt. rather than that af either indkidnaily. dtaold ha gkan primary mandmainn. In tha tbtanat of informatioa to tha aanerary. tha aflbata of tha difforant haterda eheadd be maaidewd as additive. That ia. if the mm af the fallowan frtatisai. T, T, - T. anaaada anity, than tha thraahoid limit af tha mixtare rhoald ha aonaidarad aa being nnoadad Ct ladkof tha abaarvad afaapherit Macaatration. and Tj tha m ranraii ilm dtrotiield Ifk <aM Exwpk lA-t and LU). THMSMOtS UNIT VAIUIS PM MIXTUIIf DCAMPtlS TAm Oeaorai ante, where air ia Milyaid far aaah a. Additive tifovta. (Nows h k aaooatial that the iforphan ha aaalyaad hath qualitatively and quantitatively for each muipartem present, in order ta ovalsale MmplianM or aoueompltancr with this cakuiaud TLV.) C, C, C, T| * T, * T, +' 1 a) Nat edterwlM classified $ DUI 0960149 DU 040459 IfciilaJiBfee; ..aaiiisiii; liijuiigii... a I ilMiltn CONFIDENHAL sir n(* THKUHOU) LIMIT VAIUIS or AIMOtNS CONTAMINANTS AMIl 1*41 Will >41# < May 1*71 I S3 R. Isampla N*. lA.ai Air caataina S ppai o( eubea tttnckiarida (TLV at 10 ppa) 20 ppca af athylcna diehlorida (TLV SO ppa) aad 10 ppm of athylcna dibracaida (TLV 20 ppm) Atxaaphcrie coacamntioa ot nixtort S * 20 10 IS ppat of aixttfa S 20 10 2S + 20 * 2S 10 SO 20 SO To convart to ppm. catuail TLV lias 30% hapiana - 200 ppm 30% nathylaaa ehiorida a 33 ppm 20% parchlaroatbyiama a 20 ppai TLV af nixtarti 200 * 33 + 20 a 2S3 1 JL Indapandant INaala. Air aaalaiaa 0.1S mg/m* of load (TLV. 0.1S) tad 0.7 mjm* af adfMt acid (TLV. 1). Thrmhaid Limit ia a Fuithanaara. tha TLV af tbia aiiiaua amy ha raknlatad by iaducin lha lalai fraction la l.Ot La. TLV af minima - --SS - 23 ppm tA.h. Saaalal aaaa whan tha taarea of maiMbiaM ia a liqaid aafanora tad tha aonoapbaria aaaapaailian ia aaaaatad ta ba taailar ia thaa af tha original atariali a. oa a rfma-waigbiad rfwtft cxpoaara batia. all af lha liquid (lairaat) aiimra rrantnaliy aaaparalaa. Addithra affaau (appraxaaaata aaiadaa) (1) Tha paroaal oaapaaidaa (by waifht) af tha liqaid annua ia kaawa, tha TLVa af tha muttanaa aim ba liaaad ia mg/m*. (Nat*, la order to avaiaato eotapliaaco with thla TLV. (laid taaipliaf inatnaaiwta thould ba ealibtand. ia tha laboratory, for rmpaaaa ta thla apaeiflaaaiaa qaaatitaairo and qaaiitaahra aaftapcc mixturn. and tiao ta baatioatl conaaatricinat af tbia nixami t+, /* tha TLV; Via tha TLVt 2 a tha TLV, 10 a tha TLV, mi.) 0.1S 0.1S - "1 0.7 1 - 0.7 THiaabald liait ia not aaaaodod. I0.a. Conorai caaat tolotioa for nixtaroa of N ooaparraa with addhiro afhna aad dlffarant *a C1 C| T1 t2 (2) Ct C, c* "a C. - T. C| c, (2.1, c, 1. (3) C, - ay,. aad by Koaait't Law. w n - ftn* Coabian (3) and (4) ta abtaia TLV of atiaaaa _A A Ju Jl TLV. * TLVfc * TLV, +" TLV. (xonipla No, 1i UqtNd tahraat taaniai (by watyt) 50% haptaaa (TLV - 1400 mjm*) 10% aathyiaaa ehlarida (TLV 340 apfn1) 20% parthlamhyiono (TLV - 470 mg/m*) <*) c, - Combmaag (1). (2.1) mi (S). wo obhda 'in* (*) r*f r+r T fin* f*i* ~ +~ T,, TLV of aixa 100S 340 03 470 1 OjOOOSI * 000043 t- 00003 m 492 Bf/aa* 0.00144 and fairing (ar T. (4.1) T FlPl* * Fjpj* - * F^p** Fm* Fin* Tl * T, +- T, a Fin* DUP 0960150 _______ ____1 DU 040460 93 Uj o s Si 22! i i > OL Amu i**i 1*75 (3) T - i- 1 X" THtlSHOlD UMiT VAtUU 07 AK.SOINI CONTAMINANTS S 2T ?a rr 2. A aiixairt of on* part of (1) parathion (TLV, 0.1) and two porta of (2) EPN (TLV. 03). ---- * -- - ---- C, - 2Ct 0.1 03 C_ " 1 T ThnkaU Limit Vais* in pfn C " Vapor aaneantratioa in ppm P - Vapor pwmre of eompotant in rotation p* Vapor proaearn of puro oompoaoot F * Mol fronton of eompenoat in rohttion i A aonmnl of proportionality Subocripta 1,2.... n rtiata the abort quaatitiot to eoaapooaata 1, 2. ... a, mpectieoly. Sofaecript i rafan ta at arbitrary aaaapooant from 1 to a. Abomor of attbacripc reUlm tho quantity ta tho mixture. C.- JC, ii iS* 0.1 * 03 JC, iSi Ki 03 T. 13 T. - -- - 031 aifia> 1C. TLV Car Miasma of Mineral Otiata Par miianot of biolopeaily oetira mineral doau tht Metro! fcraula tor atiaama may be aatd. IBJb. Solotiao to bo applied whoa thorn it a warrior of tho aoieaat auatort whom oompoaitioa dom not dtmtfe opprariably by oraporal ion. loot* ArWhmatk Solution of IpoaWa atlaw MI Mna wt Mol fcoattan bt boihoad. P* ot heb trlrOrai nv sa e by relume Trtohltw mbyitoo (1) 1214 LMpAol IN 7]aim H| <327 Mctbylchle. nfino (2) 12242 Utp'al tu 112am H| 0471 For a otixom sentainiai 20% tale and 20% qnartx. the TLV far 100% of tho mixture ia proa byt TLV 03 20 13 aippcf 03 23 Faultily tho tan* mk will bt tktiMi if (hr limit of tho am (mam) trait component ia oaed praridad tbo aflaeta am additive. la the abort aauonplo dm limit lor 20% qaarta 10 mppeL For anotbar mfeentre of 22% punt. 2S% amorphoua adica. and S0% lain - (0327) (71) - M3 W - (OATS) (US) - 173 TLV M3 293 M3 103 100 uo (074) 1323 (M0) S03 (074) (130) - 177 1023 TLV - 177 ppm (Koto dUtartaea ia TLV whoa oaat ia taiun of rapor ptoaaart and ami fraction ia pariaoa with abort aampio wham aoeh oaaaaot ia net ) TLV a. 032 23 032 20 70 03 20 Tho limit far 22% quarto approximate mppef. A002NWX D OormiotIMo lamratoaa for TtmoWolghtod Areroqa (TWA) Umitt Tho Exaoraioo TLV Fartor ia the Table antomatiaaUy dafiam tho tttpiitnrtt of the parmiaaibia ancaraian abora tho Umh for them tahotaaeoa not (Iran a "C daaiqawian. U. tho TVA lianita. Eaampim in the Tahio ahoa that oitwhonioao. tho TLV for which.ia 1 ppoh oorar ahonld bo allowod ta aaeoad 3 ppm. DUP 0960151 DU 040461 igaaiaMiMMi fTTT n,. jo TMIUMOIO UMCT VAIUU 08 Alt-OQINI CONTAMINANTS 4 AFMl 194) Tiih *v Jan itfs Similarly. carbon amncUafid* TLV 10 ppm, never iheuld be allowed to moand 30 PPOL By comnat. thoat lubatancm with "C datifimiaa an ao< aubjmt la tha excunion Tatar nd awl ba lupt or balow tha TLV catiinp. Them limitjnp axeunioiu art ta ba eoandertd la provide i 'rula-of-thtanb" puideaoe far Iliad -lhninmi (amenity. and nay oat provide tha atom appropriate excanioa far a particular tobatana* *-f~ tha paniawbla cxconwn far CO it 409 ppm far IS aim***. Far appropriate euunian* far 143 nbetanna conault Pa.tnaylvariia Rula 4 Rap. Chap. 4, Alt. 4J3. (oa 4.7). and "Acwptabl* Concmtrauoa*," ANSI Z37 Serial. Maa Cana Subatana* Nknliw Cuba* ntiahiandi wOieManiaaana AciMt Saaon aidoroide Bucyimuroi TtV 1 mm 10 ppm 3* ppm KM ppm C l ppm CS ppm laierelen far Hierr Paataa time i 1 ppm 2 a ppm IS TS ppm US uappm -- 1 ppa --Las. Ixcuraiaa laHft For nil athrown aot bwina| C ailarina TLV > a-1 (aaa ar Cmtmkm Fatm m i TLV 1-ia Irpm ar fta'I. faralM Fwtm - I TLV > 10-100 (ppa ar op/w1). Eaaia laa LI TLV > UW-1009 (ppa ar apta*). Comoro Fata - US Tha nuobar of thma da roaunien abora tha TLV i* paraittad ia parwnod by ooof*fairy with tha Tlanm aiChtad Avarapt TLV. Snail far Aaaipnlnf UmPiwp "C~ Vatuae y duflaiaiea ba dm Pradaaa. a limed rain* bawinp a dmip nlira nfm n a `tilling* tiIit *t-x itrriH tt! ba all ralam thanid niim in bdmr the limed value. Thie, ia affot. ndua tha "C dwtpnatia* a maximal allowable eaacaatratioa (MAO. Ia promt, tha baia for aaiMtiap ar net awijninp a "C" valua raat oa wbather aataniaai of ooneantrmioe above a propoaad Unit far parted* up ta IS lubtutea aay molt ia (a) intolerable irritation, (b) chraaie. or irrrrcntble thru* ckaapa. ar (a) naaeaai* of aufRciaat dapraa ta in* create aeeidaat praaaaaaa. impair lelf-rnecae. or matarially raduea work efHcianey. AFMM0IX I Soma Nuiaonea Particulate* Tl TLV. SO appal or 10 mp/m< (aaa AS, S.l. 4S2) Alundmi (AljOj) Ci.1i.im carbonate Caieiam lilietta* Callaion (papar fibar) Kaalia Laaataaa -Marble Miami woel fibar* Portland camwit Carunditm (AljOj) Emery Glaaa. fibrene" or dam Glyoarin aim Graphiu (ayathaala) Pantaarythrital PUawr af Parla Raapa Silicon' SiltMaa carbide Strode Gypamai Vapmabia oil atan Tin oxide (aacapt aotar. eaahow nuL Tkaahan dioxide ar aimilcr irritant alia) Zina ataarma* 1974 AddMro (a) Vhaa anil iapuritia are oat promt, i-p, quarta < 149 (r) < T turn ia iliamwro AFFSN0IX f Santa Simple Aiphyilaat* ** TLV. 14)00 ppm (oa 44) Aaeayime Hydropan Halimn (a) A* Naan Manna anidn Ptapaaa P 94 R DUP 0960152 ,, ., I DU 040462