Document mmZ9qvdjLkpX0g40ZdwEG6QNZ

TO: Safety Directors FROM: DATE: Interoffice Communication SUBJ: T. G. Grumbles June 28, 1988 OSHA PEL REVISION PROPOSAL VISTA Attached is a summary of the OSHA rulemaking published in the Federal Register on June 7. The proposal is over 400 pages long. Please let me know if you'd like a copy. The enclosed is the "guts" of the proposal. Table Z-4 (starting on page 16 of the attachment) is the list of all proposed changes and additions. Preliminary review indicates the most significant change to us is the proposal to drop the PEL for EDC from 50 ppm to 1.0 ppm. The Vinyl Institute and the EDC Panel will be making comments on this specific proposal. We participate in both groups. \ O'-* - T. G, Grumbles aj o .301 Attachment VVV 000014528 GENERAL INFORMATION BULLETIN Editor: Mary P. Kilcoyne JUN27 '88 June 16, 1988 Route:------------- FEDERAL LEVEL OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION AIR CONTAMINANTS Copy: FHe: ___ The Occupational Safety and Health Administration published proposed am)dr ments to its existing air contaminants standards in the June 7th Federal^' Register (pp. 20960-21393). The 433-page proposed rule would revise and update exposure limits contained in OSHA's Z-tables at 29 CFR 1910.1000. The limits were adopted from thencurrent 1968 levels recommended by the American Conference of Governmental Industrial Hygienists. The rule would reduce exposure limits for about 100 substances listed in the Z-tables, raise the exposure limit for one substance, set permissible exposure limits for 205 substances currently not regulated by the agency, add or change short-term exposure limits for 70 substances and set short term or skin-exposure limits where appropriate. Although the agency relied on ACGIH limits for the proposal, exposure limits recommended by NIOSH were proposed in about 35 cases. According to agency estimates, the proposed exposure limits would prevent 50,000 cases of work-related illnesses each year, including cancer, liver and kidney impairments, and cardiovascular and respiratory diseases. In addition, 0SHA estimates that the number of lost work days related to chemi cal exposures could decline by 500,000 annually and that 500 lives could be saved each year. The proposed rule is expected to cost industry $900 million annually. Among the new limits, 0SHA proposed an exposure limit for wood dust, which currently is not regulated, and for perchloroethylene. The limit for "perc," a chemical used in dry cleaning operations, has been the subject of recent controversy over whether it should be classified by the Environmental Pro tection Agency as a "possible" or "probable" carcinogen. The proposed rule does not affect any substance for which rule making is already under way. VW 000014529 Under the proposed rule, the agency will allow the use of engineering con trols, work practice controls, or respiratory protection to achieve exposure limits that will be changed by the rule making. Although this contradicts the agency's traditional reliance on engineering controls as the primary means of compliance, 0SHA said that this would allow industry to comply with the rule as soon as possible. (continued) THE SOAP AND DETERGENT ASSOCIATION 475 Park Avenue South, New York, N.Y. 10016 (212)725-1262 G-32 2 Written comments should be sent, postmarked no later than July 8th, to: Docket Officer Docket No. H-020, Room N-3670 U.S. Department of Labor 200 Constitution Avenue, NW Washington, DC 20210 Telephone - 202 - 523 - 7894 Notices of intention to appear at public hearings on the proposal should be postmarked by July 1st and sent to: Tom Hall 0SHA Division of Consumer Affairs Docket No. H-020, Room N-3647 U.S. Department of Labor 200 Constitution Avenue, NW Washington, DC 20210 Testimony and documentary evidence should be sent to Tom Hall at the above address. The hearing will begin July 20th at 9:30 am in the auditorium of the Frances Perkins Building. The text of the proposed rule is attached. Copies of the preamble and appen dices are available from SDA. VVV 000014530 3 X. Standard OSHA propose to amend 29 CFR Part 1910 as follows: PART 1910--(.AMENDED] 1. The authority citation for Subpart Z of Part 1910 would be amended by revising the third paragraph, and the first and second paragraphs are republished to read as follows: Authority: Secs. 6.8. Occupulion il Safety and Health Act 29 U-S-C. 655,857: Secretary of Labor's Orders 12-71 (36 PR 8754), 6-76 (41 FR 250S9), or 6-63 (46 FR 35736) as applicable, and 29 CFR 1911. Section 1910.1000 Tables Z-l. Z-2. and Z-3 also issued under 5 U.S.C. 553. Section 1910.1000 paragraphs (a) through (c). (e). (0 and Tables Z-l. 7^2. Z-3. not issued under 29 CPR 1911 except for the arsenic, cotton dust, benzene ond formaldehyde listings. 2. It is proposed to amend g 1910.1000 by revising the introductory text, redesignating paragraph (d) as paragraph (f) and revising introductory text of paragraph (f) and the last sentence of paragraph (f)(l)(i); adding a new paragraph (d): republishing Tables Z-l. Z-2 and Z-3 with an asterisk indicating the materials proposed to be removed and adding a new Table Z--4. $1910.1000 (Amended) An employee's exposure to any material listed in Tables Z-l. Z-2, Z-3 or Z-4 of this section shall be limited in accordance with the requirements of the following paragraphs of this section. , (d) Table Z--4 lists the proposed permissible exposure limits for 428 materials. (1) An employee's exposure to any material listed in Table Z-4 shall not exceed the Time Weighted Average (TWA). Short Term Exposure Limit (STEL) or Ceiling specified in Table Z-4 for that material. (2) An employee's skin exposure to materials listed in tsble Z-4 with an "S" Notation shall be limited through the use of gloves, coveralls, goggles, or other appropriate personal protection equipment necessary to prevent possible skin absorption. (3) The following definitions apply to paragraph (d) of this section and Table Z-4; (i) Time weighted average (TWA) is the average airborne exposure of an employee in any 8-hour work shift of a 40-hour work week which shall nofbc exceeded. (ii) Short term exposure-limit (STEL) is the employee's 15-minute time weighted average exposure which shall not be exceeded at uny time during e work day. (iii) Ceiling is the employee's exposure which shall not be exceeded during any part of the work day. If instantaneous monitoring is not feasible, then the ceiling shall be assessed by sampling over a 15-mlnute period as would be done for a unless a different time period is specifically indicated. (f) Computational formula. The computation formula which shall apply to employee exposure to more than 1 material for which 8 hour time weighted averages are listed in Subpart Z of 29 CFR Part 1910 In order to determine whether an employee Is exposed over the regulatory limit is as follows: (l)(i) ' * * The value of E shall not exceed the 8hour time weighted average specified in Subpart Z of 29 CFR Part 1910 for the material Involved. VVV 000014531 AAA TABLE M Substance ACETALDEHYDE* ACETIC ACIO* ACETIC ANHYDRIOE* ACETONE* ACETONITRILE* ACETYLENE BICHLORIDE, see 1,2- dichloroethylene ACETYLENE TETRABROH1DE ACROLEIN* ACRYLAMIDE-Skln* AlORIN-Sk In AUYL ALCOHOL-Skin* ALLYl CHLORIOE* C AlLYLClYCIDYL ETHER (ACE)* ALLYL PROPYL OISULFIOE* 2-AMJNOETHANQl, see ETHANOLAMINE 2-AM1NOPYR1QINE. PMHQMIA* AfHONlUM SULFAMATE (AW4ATE)* N-AMYL ACETATE SEC-AMYL ACETATE ANILINE-Skln* AMlS01NC (0,P-JS0MER$)-Skfn ANTIMONY ANO COMPOUNOSUs SO ANTU (ALPHA NAPTHYL THIOUREA)* ARSENIC ORGANIC COMPOUNDS (as As) ARSINE O o o * U4 ppm* 200 360 10 26 s 20 000 2400 40 TO t 14 0.1 0.25 0.3 0.25 25 13 10 46 2 12 o.s 2 60 36 15 100 626 126 650 S 19 0.6 0.6 0.3 0.6 1.05 0.2 TABLE l'\ Substance A2INPH0S-METHYL-Skin* BARIUM [SOLUBLE COMPOUNDS) P-BENZOOUlNONE, see QU1N0KE BEH20YL PEROXIDE BENZYL CHLORIDE BIPHENYL, see DIPHENYL BORON OXIDE* C BORON TRIFLUORIOE BROMINE* BROMOFORM-SkIn BUTADIENE {1,3-BUTADIENE) BUTANETHIOL. see BUTYL MERCAPTAN 2-BUTANONE* 2-BUTOXY ETKAH0U8UTYL CEU-OSOLVE)-Skn* BUTYL ACETATE (N-BUTYL ACETATE)* SEC-BUTYL ACETATE TEAT-BUTYL ACETATE BUTYL ALCOHOL* SEC-BUTYL ALCOHOL* TEAT-BUTYL ALCOHOL* C BUTYLAHlNE-SUn C TERT-BUTYL CHROMATE (is CrOjl-Skin N-BUTYL clycidyl ether* butyl MERCAPTAN* P-TERT-BUTYLTOLUENE* CALCIUM OXIDE* CAMPHOR* ppm* mg/n^ 4 1 1 0.1 O.S 1000 200 SO 150 200 200 TOO ISO 100 5 SO 10 10 0.2 0.5 5 5 IS 3 0.7 5 2200 590 240 710 950 950 300 450 300 15 0.1 270 35 60 5 2 VVV 000014533 iyOitJftCif TABU 2-1 CARBARYt (SEVIN ) CARBON BLACK CARBON DIOXlDt* CARBON MONOX I DC* CHlOROANE-Sfcln CHLOftlNATED WPnENI-Sk in* rMWINATtO DIPHENYL CXISC c chlorine* CHLORINE DIOXIDE* C CHLORINE TRIFLUORIOL C CHLOROACETALOEHYOE A-mOROACETOPHENONE (PMENACYlCHlORJDE) CHLQRQ8EN2ENE (MONOCHlOROBENZEND 0-CH.0R08EN2YUDENE KALONONlTRltt (OCBM)* CHLM08R0M0ME THANE 2-CH0R0*1,3*8UTA01NE, ve CKLOROPRENE CHLttODIPHENYl (42 PERCENT CMlORlNE)-$k1n CHLQROOIPHENYl (84 PERCENT CKL0R1NE)-Skn 1-CHLORO, 2,3-EPOXYPROpANE. $** EPICHLORHYORIN 2-CHLOROETHANOL, set ETHYLENE CHIOROKYOR1N CHLOROETHYLENE, it* VINYL CHLORIDE C CHlCRCfORH (TR1CHL0R0METHANE)* 1 -CHLORO-1-NITROPROPANE* CH10ROPICR1N CNLOROPRENE(2*CHL0R0-1,J-BUTAOIENE)*Sk 1ft* CHROMIUM, SOl.CHfttalC* CHROMOJS SALTS AS Cr CHROMIUM, hetal and insoluble salts ' 5000 SO t 0.1 0.1 1 o.os 75 O.OS 200 SO 20 0.1 25 5 3.5 9000 SS O.S o.s O.S 3 0.3 0.4 J 0.3 350 0.4 10S0 1 0,5 240 100 0.7 90 0.5 1 Subiunct JAbiL : ppnH rg/mJL COAL 1AR PITCH VCLAIIUS (BENZENE SOUfc'.E FRACTION) ANTHRACENE, BaP, PhENANTHRENE. ACRIDINE, PYRENEJ COBALT, METAL FLM AND CUSl' CHRYSENE. COPPER EWE COPPER OUSTS AHO KTSTS COTTON DUST (RAW) CRAG HERBICIDE* CRESOL (ALL ISOMERS>-SkIn CROTONALDEHYDE CUMENE-Sklft CYANIDE (di CrO-Skln CYCLOHEXANE CYCLOHEXANOL* CYCLOHEXANONE* 5 2 SO 300 SO 50 CYCLOHEXtNC CYClOPENTADIENl 2,4*0 ODT-Skln* 300 7S OOVP *Skin CECABORAME-Skln DEHETON Sk1ft O.OS DIACETONE ALCOHOL (4-tfYDR0XV*4-METHri-2-PEMANONE) 1.2'DIAMINOETHANE. i*e ETHYLENEOIAMINt 0IA2GMEthane " 50 0.2 DI60RANC DI3UTYL PHOSPHATE* 0.) | 0.2 0.1 0.1 1 1* 15 22 6 245 5 1050 200 200 1015 200 10 I I 0.3 0.1 240 0.4 0.1 5 ,, t6 y io o o o Substance TABLE i-t OlBUTYLPHThALAU C 0-DICHLOR08EN2ENE* P-DICHLOROBENZENE * DICNLWOOIFLUOROME THANE 1,3-DlCHLORO*5,5-DIMETHYL HYOANTQIN* 1,1-DICHLOROEINANE* l,2-DICHLM0ETH>LN C OICHLOROETHYL ETHER*SkIn* OlCHLOftOMETHANE, see METHYLENECHLORIOE 01CHLOROMONOFLUOROmETHANE* c i.i-oicnloro-i-nitroethane" 1,2-DICHLOROPROPANE, see PROPYLENEOftHLORIDE OICHLOROTETRAFLUOROETHANE OIELORIN-Skfn 0IETHYLAH1NE* DIETHYLAM1N0 ETHANOt.-Sk In OIETHYLETHER, see ETHYL ETHER 01FLUORODI8ROHOMETHANE C DIGirUDYl ETHER (DGEI* D1HYDR0XYBENZENE, see HYOROOLilNONE Cl ISOBUTYL KETONE* 011S0PRQPYLAMiNE`Skin DIMETNOXYMETHANE, see METHYLAL DIMETHYL ACETAHIDE-Sk in DlMETHYlAMlNF DIMETHYLAMIN08ENZENC, see XYLIDENE OIMCTKYIANILINE (N-DJKETHYl-ANIL INSJ*ikif* ppmJ 50 76 1000 100 TOO 15 1000 10 1000 25 10 100 0.5 50 5 10 10 6 5 300 450 4950 0.2 400 790 ' 90 4200 60 7000 0.25 75 50 360 2.8 .'30 20 i> 18 26 Substance I ABIE z-i f>PJ DIKEThTLBENZENE, see XYLENE OlMETHYl 1.2-DIBROMO-2.2-OICHIORCETHYI PHOSPHATE IDI6R0M) DImC ` KYLfOKMAMI DE -Sh. 1 n 2.6-P:KETHYLHtPTANONE, see PI ISCfiuTTL KETONE 1.1- P:METhYLhrDRAZIKE-Skin DIME T bTL PhTITAlATE Dim THYLSULFATE-Skin' OiNKfiOBENZENE (ALL I SOMERS)-SkIn DIM IRO-Q-CRESOL-Skln DIKJTROTOLUEHC-Skln PIOxAliE (D1EWLENE 01 OX IDE!-Sk i n DIPHENYL OIPHFNYLMETllANE 01 ISOCYANATE (see Mln-;.ENE B1S- PHtNYL ISOCYANATE (MODI DIPROPYLENE GLYCOL METHYL ETHER-Skm ^ 01 -SEC. OCTYL-PHTHALATE(01-2-EIHYLHEIYLPhTHALATE)* ENORIN-Skin EP ICMLOROHYDRlN-.Sk 1 n* EPN-Skin 1.2- EPOXrPROPANL. see PRCPYLENE0X10E. 2.3- EXP0XY-1-PROPANOL, see GLYCMXn ETHANE TMOL, see E ThYLMERCAPTAN ElnANGLATlIHE* 2-ETHOXYETHANOL -Skin ?-EIhOXYETHYLACETATE(CELLC'SOLVE ACETATiJ-SkIn ilHU ACEIATE 10 0.5 1 100 0.2 100 5 3 200 100 400 3 30 I -5 5 I 0.2 1-5 360 I 600 5 0.1 19 0.5 & 740 540 1400 VVV 0 0 0 0 1 4 5 3 5 TABIC ,'( Substance ETHYL ACRYLATE-Skln* ETHYL ALCOHOL (ETHANOL) ETHYLAHINE ETHYL SEC-AMYL KETONE (5-f*ETHYL-3-HEPTAN0NE) ETHYL eENZENC* ETHYL BROMIDE* ETHYL BUTYL KETONE (3-hEPTANQNC) ETHYL CHLORIDE ETHYL ETHER* ETHYL FORMATE C ETHYL MERCAPTAN* ETHYL SILICATE* ETHYLENE CHLOROHYORIN-Skln* ETHYLENEOIAMINE C ETHYLENE GLYCOL DINITRATE ANO/OR NITROGLYCERIN -Skin* ETHYLENE GLYCOL MONOMETHTL ETHER ACETATE, see METHYL CELLOSOLVE ACETATE ETHYLENE IMINE-Skln N-ETHYLMORPHOLINE-Sk f n* FEAftAM* FERROVANAOiUM OUST* FLUORIOE (AS F) FLUORINE* FlUOROTftlCHlORQMETHAHE* FORMIC ACID FURFURAL-Skin* ppm-1 ng/m^6 2S 1000 10 25 100 :oo so 1000 400 100 10 100 s 10 o.2a 100 1900 18 130 43$ 890 230 2800 1200 300 2$ e$o 18 2$ 1 o.s 20 0.1 1000 $ $ 1 94 IS 1 2.S 0.2 $800 9 20 I ABLE. 2-1 Substance FURFURYL ALCOHOL* GLTCIOOL (2,3-EPOXY-l-PRCPAHOl)* GLYCOL MONOHETHYL ETHER, see 2-ETHOXYCTHANOl GLUTHIOH . see AZIHPHOSHETHYL HAFNIUM HEPTACHLOfi-Si' HEPTANE (N-HEPTANE)' HEXACHLOROCTHANE-Skin* HCXACKLORONAPHTHALENE-Skin HEXANE (N-HEXAnC)* 2-HEXANONE* HEXONE (METHYL ISOBUTYL KETONE)* SEC-HEXYL ACETATE HY0RA2tNE-$ktn* HYDROGEN BROMIDE* c hydrogen chloride KTOROGEN CTANIOE-Skin* HYDROGEN PEROXIDE (901) HYDROGEN SELtNIOE HTDROOUINONE C IODINE IRON OXIDE FUME* ISCAMYL ACETATE ISOAMYL ALCOHOL* 1S0BUTYL acctaie ISOBUTTL ALCOhDi* ppnr* ag/3o SO 200 SO ISO 500 1 500 100 100 SO 1 3 S 10 1 0.05 0.1 100 100 ISO 100 O.S 0.5 2000 10 0.2 1000 410 410 300 1.3 10 7 11 1.4 0.2 2 1 10 525 360 TOO 300 ppm* 6 R8 S58 S82 N-- g 4S4 yl ^ 9t n *o" d OO Ow\ KO m Nwl O^ OO OO OO Stf> *1v n ^^ Nj O O O ~- . N5 - o o *> - VI *S 5 oX *--/ . U>- uXS i3O: --c * c - 8 "_i 5 S UJ 5V* s.M lv> 5l 5^ o ac5 a o s -s >^ A " / W J A IJ 5 ^e SE v. w * r 'w x S& se ud u* >u vi sXzt x xx x d* >- ^ S i^e 20 * mou<f *wok-- wi--ll* S - |% <w 93 l/l ,V8I 8VI *-- E o E sXf v/ UX-i 3 u_*i U(/>>*-* SevVi- 8*X/l O-- i*_S1* >X.- .c ^ R"=-S5-jJI % * S 5 5 >; f Ix-- -Vj i5*i' xM Hx Z<+* -- sXi E S S I * u * d 8i o c eg u * S4 W * ^u Z^ AX. ? s<z ~z O--* r&Oi>> dOM-- o-OrVOw O^^Oi. ANOOO<0iA^ ail ^ yi Oo -- O-- MO4l O5OD * <* O--O r3Oa ^** ,, A/#> O 8O "'82^ d o 8MO8O828O 8M2 --8 Sobitiftce ng/m * ppm* SubUr>ce . ... _r 00001^536 vvv 0000 TASLE :-l Substance NICKEL. (METAL AND SOLUBLE COMPOUNDS AS Ni) NICOTINE-Skin NITRIC ACID* NITRIC OXIDE P-NITRQANILINC-Skln* NlTRQ8ENZNE*Sktn P*M TROC HIOROSEN2ENE-Sk t n* NITROETKANE C NITROGEN DIOXIDE* NITROGEN TRIFLUORIDE C NITAOGLYCERIN-Skln* NITROMETHANE 1-NltRdPROPANE 2-NITI10PR0PAHE* NtTRO~OlUENE-SMn* NltROTRICKLOAOHETHANE, see CNL0R0P1CRINE OCTACNLORONAPhTHALNE*Skfn* OCTANE* OIL MIST, MINERAL* OSMIUM TETROXlOC* OXALIC ACIO* OXYGEN OIFLUORIOE* OZONE* PARAQUAT-Skin* PARATHION*Skin PENTA0ORANE* PENTACHLORONAPNTHALE.NC'Skln <-<cc ppm* mg/m36 2 2$ 1 1 100 s 10 o.z 100 2S 25 S $00 0.0$ 0.1 0.005 1 0.5 S 30 5 5 1 310 9 29 2 250 90 90 30 0.1 73S0 5 0.002 1 0.1 0.2 0.5 0.1 C.01 0.5 l ABLE Z-l Substance PENTACHLOROPHENOL-Sk tn PENTANE* 2-PENTAN0NE* PERCM.OROMETHYI MERCAPTAN PERCKLCRH FLUORIDE* PETROLEUM OISTILLATES (NAPHTHA)* PHN0L*$kln P-PHENTLENC OlAHINE-Sklft PHENYL ETHER (VAPOR}* PHENYL ETHER* BIPHENYL MIXTUAE (VAPOR) PHENYLETHTLENE, see STYRENE PHENYL OLTCIOYL ETHER (PGE)* PMENYLHYDRA2INE-Sfc1n* PN0S0R1N (HEVINPHOShSkln* PHOSGENE (CARBONYL CHLORIDE) PHOSPHINE* PHOSPHORIC ACID* PHOSPHORUS (YELLOW) PHOSPHORUS PENTACHLORiOt PHOSPHORUS PENTASULF10E* PHOSPHORUS TRICHLORIDE* PHTHAUC ANHYDRIDE* PICRIC AClO-Skln* PIVAL (2*PIYAl Yl-1,3*1NOANOIONE) PLATINUM (SOLUBLE SALTS) AS Pt . PROPANE M'PROPYl ACETATE* ppm* mg/m3 0.5 000 2950 200 700 0.1 0.8 3 13.5 $00 2000 5 19 0.1 17 17 10 60 s 22 0.1 0.1 0.4 0.3 0.4 I 0.1 l I 0.5 3 2 12 0.1 0.1 1000 3.002 1600 200 40 TAfclL :*! Subkt4ftC* PROPU ALCOHOL N-PRCPYL NITRATE* PfcOPYLlNt Cl CHLORIDE* PROPYLENE IMINt-Skir PROPYLENE OXIDE* PROPYNE, it* NETHYLACETYlENE PYRE THRUM PYRIDINE OUINONE rhodium, metal fume and oust, as mi rhodium (soubLt salts)* RONNtL* ROTENONt (COMMERCIAL) SELENIUM COMPOUNDS (AS S) SELENIUM HEXAFLUORIDE SILVER, KCTAL ANO SOLUSlE COMPOUNDS SODIUM FLUCROACE1ATE (1080) -Skin* SODIUM HYDROXIDE* STJ8INE STODDARD SOLVENT* STRYCHNINE SULFUR DIOXIDE SULFUR HEXAFLUORIDE SULFURIC ACID SULFUR MONOCkLOftIOE* ^ SULFUR PEHTAFLUORIEE' ^ sulfuryl fluoride" COO rs 75 : ICO t 0.1 o.cs 0.1 SOD s 1000 1 ;.o:e b EOO HO *50 s KO , IS 0.4 3.1 0.001 15 5 0.2 0.4 0.0) 0.05 i 0.5 1900 c. *s ii 5030 it i.ii u XOOOO & \JX CO ,u6t j*>Cc JU Opffr* 'mg/rn^P SYSTjX, ie iEMETON .\4.sr TANTALUM* TEDP-Sktn TELLURIUM TELLURIUM HEXAFLUORIDE TEPP-Skln I URPKENYLS* !, l,2,?*TETRACHLORO-1,2-DiFLUOROEThANE 1, 1, l./'TETRACHLORy-S.i-DIFl'JOROE ThANE I, I./,?-TEIRACHLOftOEThAN.Sk1f>* TETRACHLuROMETKAKE. tee CAft&ON TETRACHLORIDE lETRACHLORONAPHTHALEHC-Skfn TETRAETHYL LEAD (AS Pt>)-Sktn* TETRAHYDROFURAN* TETRAMETHYL UAO (AS Pt>)-Sk1n* IETRAMETHYL SUCCWONtTRUE-Skln TETRAIUTROHETHAKE IETRVL (2,4,6-TRINITROPkESOL-METHYL`NITRAMINE)* Skin THALLIUM (SGLU&LE COMPOUNDSJ-Sktn AS!i* IH1RAM TIN (INORGANIC COMPOUNDS EXCEPT OXIDES) T]N ,'CROASIC COMPOUNDS) * l TCLllNE-?,<-0I ISOCYANATE* 0- IOLUiLIN-S t r.* TOXAPhEM, >e CmORISAiED lAVP^LM 0.02 1 500 SOO 5 200 0.5 I C.02 b io & 0.? 0.1 0.2 0.0b 9 4170 41/0 05 2 0.075 590 0.075 1 8 1.5 0.1 5 2 0.1 0.14 it TABLE Z-l SwfeStAAC* ppm* mg/m^b TfitBUTYL PHOSPHATE* 1,1,ITRICHlOROETHANE, see METHYL CHLOROFORM 1.1.2-TRlCHLOROETHANE-Skln* TITANIUM DIOXIDE TRICHLOROMETHANE, itt CHLOROFORM TRICHLORONAPHTHALCKE-Sk 1 n 1.2.3-TRICHLOROPROPANE* 1,1,2-TR3CHLORO-1,2,2-TRIFLUOROETHANE* TR1ETHYLANINE* TR IFLUORONOHOBROMOMETHANE 2,4,0 * TRINITRQPHENOl, itt PICRIC ACID 2,4,0 * TRINITRGPHEN0WETHYLNITRAM1NE, itt TETRYL TRJNlIRQIpLUENE-Sktn* -TRIpRTHOCRESYl PHOSPHATE* TRIPHENYL PHOSPHATE TURPENTINE . URANIUM (SOLUBLE COMPOUNDS}* URANIW (INSOLUBLE COMPOUNDS)* C VANADIUM (Y205, DUST)* C VANADIUM (Y20S. FUME)* VINYL BENZfNE. it* STYRENE VIHYl CYANIDE, see ACRYLONITRILE VINYL TXUENE* UARFARIN JtLENE (XYLOL|* trilDlNE-Skln TTRIUM 10 SO 1000 25 1000 100 100 100 $ < < < O o o0 * Ln 0O1 s 45 IS s 300 7600 100 6100 l.S 0.1 > S60 0.05 0.25 0.5 0.1 480 0.1 43S 25 1 Substance ZINC CHLORIDE FUME* ZINC OXIDE (FUME)* ZIRCONIUM COMPOUNDS (AS Zr}` TABLE Z-l ppm* mg/m3b 1 5 S *Parts of vapor or gas per million parts of contaminated air 0/ volume at 25 C and 760 an. Hg pressure. bApproilRiete milligrams of particulate per cubic meter of air. (No footnote "c* It used to avoid confusion with ceiling value notations.? aAn atmospheric concentration of not more than 0.02 p.p.a. or personal protection may be necessary to avoid headache. *Tn1s 8-hour time weighted average Is for respirable dust as Matured by a verticle elutrlator cotton dust sampler or eoulvalent instrument. This tiM weighted average appllas to the cotton waste processing operations of waste recycling (sorting, blinding, cleaning, and wlllowing) and garntttlng. Substances that are In Table 2*4 in this proposal. VVV 000014540 TABLE 2-2 Material 8-hour time weighted average Acceptable celling concentration BENZENE IZ37.40-1969) 10 p.p.m. BERYLLIUM AND BERYLLIUM * COMPOUNDS (Z37.29-1970) CADMIUM FUME (237.5-1970) CADMIUM DUST (Z37.5-1970) CARBON DISULFIDE (Z37.3-1968)' 3 2 ug/N 0.1 mg/M3 0.2 ig/M3 20 p.p.m. CARBON TETRACHLORIOE (237.17- 196 7) 10 p.p.m. CHROMIC ACID AND CHROMATES (Z37.7-1971 ) ETHYLENE D1BR0M1DE (237.311970) ETHYLENE OJCHLORIDE (Z37.21 1969)* 20 p.p.m. SO p.p.m. 25 p.p.m. 3 5 ug/M 0.3 mg/M3 0.6 mg/M3 30 p.p.m. 25 p.p.m. 1 mg/lOM3 30 p.p.m. 100 p.p.m. Acceptable maximum peat above the acceptance celling concentration for an 8* hour shift ______________________________________________ Concentration Maximum duration 50 p.p.m. 3 2S ug/M 10 minutes 30 minutes 100 p.p.m. 200 p.p.m. 30 minutes 5 minutes In any 4 hours 50 p.p.m. 200 p.p.m. 5 minutes 5 minutes In any 3 hours VVV 0 0 0 0 1 4 5 4 1 TAb Z-2 Material 8-hour time weighted average Acceptable celling concentration FORMALOEHYOE <237.16-1967) HYDROGEN FLUORIDE (Z37.28- 1969)* HY0R3GEN SULFIDE (237.2-1966) 3 p.p.m. 3 p.p.m. FLUORIDE AS DUST {Z37.28-1969) 2.5 mg/M3 MERCURY (Z37.8-1971) METHYL CHL0RIDE(Z37.181969)* 100 p.p.m. METHYLENE CHLORIDE (237.231969) 500 p.p.m. ORGAWO (ALKYL) MERCURY <237.30- * 1969) 3 0.01 mg/M S p.p.m. 20 p.p.m. 0.1 ng/10M3 200 p.p.m. 1,000 p.p.m. 3 0.04 mg/M Acceptable maximum peak above the acceptance celling concentration for an 8* hour shift ______________________________________________ Concentration Maximum duration 10 p.p.m. 30 minutes SO p.p.m. 10 minutes once only If no other measurable exposure occurs 300 p.p.m. 2,000 p.p.m. 5 minutes In any 2 hours 5 minutes in any 2 hours Acceptable maximum peak above the acceptance c e llin g concentration fo r an 8- 12 WV 000014542  13 TABLE Z-3 Substance Mppcfe SILICA: CRYSTALINE QUARTZ (RESPIRABLE) QUARTZ (TOTAL) 2SOf tSi02+5 CRISTOBALITE : Use 1/2 the value calculated from the count or mass formulae for quartz TRIDYMITE*: Use 1/2 the value calculated from the formulae for Quartz AMORPHOUS, including natural . dlatomaceous earth 20 SILICATES (less than IX crystal - 1ine si 1ica): Mica* Soapstone * Talc (non-asbestos-form) 20 20 n 20 Hg/H3 10 wq/M3 " XS102+2 30 mq/M3 IS10^+2 80 wq/M3 %$10,, VW 00001*5*3 TABLE Z-3 14 Substance Mppcfe Mg/M3 Talc (fibrous). Use asbestos limit Treroolite (see talc, fibrous) Portland cement GRAPHITE (NATURAL)* COAL DUST (respirable fraction less than 5X Si02) For more than 5% Si02 INERT OR NUISANCE DUST: * Respirable fraction Total dust 50 15 2.4 mg/M3 or 10 mg/H3 XSIOj+2 5 *g/H3 15 50 IS mg/M3 NOTE: Conversion factors--mppcf X 35.3 million particles per cubic meter * particles.per c.c. ^Millions of particles per cubic foot of air, based on impinger samples counted by light field technioues. ^The percentage of crystalline silica in the formula Is the amount determined from air-borne samples, except in those instances in which other methods nave been shown to be applicable. vvv 000014544 15 Botn concentration and percent quartz for the application of' this limit are to &e determined from the fraction passing a size selector with the following characteristics: Containing less than IX quartz; if IX quartz, use quartz limit. Aerodynamic diameter (unit density sphere) Percent passing selector 2 2.5 3.5 5.0 10 90 75 50 25 0 The measurements under this note refer to the use of an AEC instrument* The respirable fraction of coal dust is determined with a MRE; the figure corres ponding to that of 2.4 Mg/M3 in the table for coal dust is 4.5 Mg/M3. Substances that are in Table Z-4 in this proposal. VVy 000014545 TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits4 H.S. NO./ CHEMICAL NAME 1001 ACETALDEHYDE 1002 ACETIC ACID 1003 ACETIC ANHYDRIDE 1004 ACETONE** 1005 ACETONITRILE** 1006 ACETYLSALICYLIC ACID (ASPIRIN) 1007 ACROLEIN 1008 ACRYLAMIDE 1009 ACRYLIC AGIO 1010 ALLYL ALCOHOL 1011 ALLYL CHLORIDE 1012 ALLYL GLYCIDYL ETHER (AGE) 1013 ALLYL PROPYL DISULFIDE 1014 ALPHA-ALUMINA 1015 ALUMINUM (ALKYLS) 1016 ALUMINUM (METAL) 1017 ALUMINUM (PYRO PONDERS) 1018 ALUMINUM (SOLUBLE SALTS) 1019 ALUMINUM (NELDING FUMES) 1020 AMITROLE (3-AMIN0-1.2.4-TRIA20LE) < < < o o o 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM MG/M3 PPM 180 25 -- 590 34 5 0.25 0.03 30 5 3 22 12 10 2 10' 5 2 5 0.2 100 10 -- 250 20 -- 0.1 -- 10 2 1 5 2 -- -- -- -- -- -- -- 270 37 -- -- -- -- 0.8 -- -- 10 6 44 18 -- -- -- -- -- -- -- 150 15 -- -- -- -- 0.3 -- -- 4 2 10 3 -- -- -- -- -- -- -- CEILING** HG/K3 -- -- 20 -- -- " -- -- -- -- -- -- -- -- -- -- -- -- -- -- PPM -- -- 5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- SKINNOTATION fc YES YES TES TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits* H.S. NO./ CHEMICAL NAME 102) AMMONIA 1022 AMMONIUM CHLORIOE (FUME) 1024 AMMONIUM SULFAMATE (AHMATE) 1025 ANILINE 1028 ASPHALT FUMES** 1029 ATRAZINE 1031 BARIUM SULFATE 1032 BENOMYL 1033 BERYLLIUM AND BERYLLIUM COMPOUNDS* 1034 BISMUTH TELLURIDE (SE-OOPEO) 1035 BISMUTH TELLURIDE (UNDOPEO) 1036 BORATES, TETRA, SODIUM (ANHYOROUS) 1037 BORATES, TETRA, SODIUM (DECAHYDRATE) 1038 BORATES, TETRA, SODIUM (PENTAHYDRATE) 1039.BORON OXIDE 1040 BORON TR1BR0HI0E 1041 BROHACIL 1042 BROMINE 1043 BROMINE PENTAFLUORIDE 8-HOUR TWA SHORT-TERM LIMIT* CEILING** MG/M3 PPM MG/M3 PPM 18 10 10 8 S 5 10 10 0.002 25 2 o.e 5 10 1 5 1 10 27 35 20 -- O.OOS (30 min) -- 10 1 -- -- 0.7 0.1 2 0.3 0.7 0.1 --- MG/M3 PPM 0.025 10 1 SKIN NOTATION VVV 000014547 TABLE 2-4. AH Substances Considered by OSHA for Proposed Revision or Addition of Limits* H.S. NO./ CHEMICAL NAME 1044 BUTANE 1045 2-BUTAN0NE (MK) 1046 2-fiUTOXY ETHANOL 1047 N-BUTYL ACETATE 1048 BUTYL ACRYLATE 1049 SEC-BUTYL ALCOHOL 1050 tert-butyl alcohol 1051 N-BUTYL ALCOHOL 1052 N-BUTYL GLYCIOYL ETHER 1053 N-8UTYL LACTATE 1054 BUTYL MERCAPTAN 1055 q-sec-butylphenol 1056 P-TERT-BUTYLTOLUENE 1057 CALCIUM CARBONATE 1058 CALCIUM CYANAMIDE 1059 CALCIUM HYDROXIDE 1060 CALCIUM 0X10E 1061 CALCIUM SILICATE, TOTAL DUST 1062 CALCIUM SULFATE 1063 CAMPHOR (SYNTHETIC) B-HOUR TWA SHORT-TERM LIMIT* MG/K3 1900 S90 120 710 55 305 300 -- 135 25 1.5 30 60 10 0.5 S 2 10 10 12 PPM MG/K3 800 200 25 ISO 10 100 100 -- 25 5 0.5 5 10 -- -- -- -- -- -- 2 -- 8B5 -- 950 -- 455 450 -- -- -- -- -- 120 -- -- -- -- -- -- 18 PPM _ 300 -- 200 -- 150 ISO -- -- -- -- -- 20 -- -- -- -- -- -- 3 CEILING** MG/H3 -- -- -- -- -- -- -- ISO -- -- -- -- -- -- -- -- -- -- -- _ PP* -- -- -- -- -- -- -- SO -- -- -- -- -- -- -- -- -- ~ -- _ SKIN NOTATION YES YES rss VVV 0 0 0 0 1 4 5 4 8 TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of limits* H.S. HO./ CHEMICAL NAME 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM MG/M3 PPM CEILING** MG/fl3 PPM SKIN NOTATION 1064 CAPROLACTAM (OUST) 1065 CAPROLACTAM (VAPOR) 1066 CAPTAFOL (D1F0LATAN) 1067 CAPTAN 1068 CARBOFURAN (FURAOAN) 1069 CARBON DIOXIDE 1070 CARBON DISULFIDE** 1071 CARBON MONOXIDE** 1072 CARBON TETRA8R0M1DE 1073 CARBON TETRACHLORIDE** 1074 CARBONYL FLUORIDE 1075 CATECHOL (PYROCATECHOL) 1076 CELLULOSE 1077 CESIUM HYDROXIDE 1078 CHLORINATED CAMPHENE 1079 CHLORINE*1 1080 CHLORINE DIOXIDE 1081 1-CHLORO-1-NITROPROPANE 1082 2-CHL0R0-6-TR1CHLOROME1HYL PYR101NE (N1TRAPYR1N) 1 20 0.1 5 0.1 9000 3 40 1.4 -- 5 20 10 2 0.5 -- 0.3 10 10 -- 5 -- -- -- 5000 .1 35 0.1 -- 2 5 -- --- -0.1 2 -- 3-- 40 10 ---- ---- -- 54,000 -- 30,000 30 10 -- 4.0 -- 0.3 12.6 2 (60 min) 15 5 ---- -- -- 1 1.45 -- -- -- 0.5 0.9 0.3 -- -20 -- -- -- -- -- -- -- -- 229 -- -- -- -- -- -- -- -- -- -- -- -- -- -- YES -- -- -- -- 200(NOT) -- -- -- -- -- -- -- YES -- -- -- -- VVV 00001454-9 4T> > TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits4 H.S. NO./ CHEMICAL NAME 8-HOUR TUA SHORT-TERM LIMIT* HG/H3 PPM MG/M3 PPM 1083 CHLOROACETYL CHLORIDE 1084 0-CHL0R0&EN2YL1DENE MALONONITRILE 108S CHLOROO1F LUOROtlETHANE 1086 CHLOROFORM* 0.2 -- 3500 -- 108? CHLOROPENTAf IUOROETHANE 6320 1088 CHLOROPRENE 35 1089 O-CHLOROSTYRENE 285 1090 O-CHLOROTOLUENE 250 1091 CHLORPYRIFOS 1092 CHROMIC ACIO AND CHROMATES* 0.2 -- 1093 CHROMIUM, METAL 0.5 1094 CHROMYL CHLORIDE 0.15 109S CLOPIDOUCOYOEN) 10 1096 COAL DUST, < 5% QUARTZ, RESPIRABLE FRACTION 2 1097 COAL OUST, > 5% QUARTZ, RESPIRABLE QUART2 FRACTION 0.1 1098 C08ALT CARBONYL 1099 COBALT HYDROCARBONYL 0.1 0.1 1100 COSALT, METAL, FUME, DUST 1101 COPPER (FUME)* 0.05 0.1 0.05 -- -- -- ---- 1000 4375 1250 -- 9.78 2 (60 min)(60 min) 1000 ---- 10 -- -- 50 430 75 50 375 75 -- 0.6 -- -- ---- -- ---- 0.025 -- -- -- 20 -- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- CEILING** HG/M3 PPM SKIN NOTATION -- 0.4 -- -- -- o.os -- -- YES -- -- -- -- -- 0.) -- -- -- -- -- -- -- -- -- -- -- YES -- -- -- YES -- -- -- -- -- -- --- -- -- ro o O ^S^tO O O O AAA TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits4 H.S. MO./ CHEMICAL NAME HOI CRAO HERBICIDE (5ES0NE) 1103 CRUFOtUTE 1104 CYANAMIOE 1105 CYANOGEN 110ft CYANOGEN CHLORIDE 1107 CYCIOHEXANOI HOI CYCLOHEXANONE6 110ft CYCIOHEXYUWINE 1110 CYCLONITE 1111 CYCLOPENTANE 111? CYHEXAT1N 111J POT* 1114 0ECA9ORANE HI* oi-hc-octyl-phthaiate 1117 ?,ft-01-T|RT-UTYl-P-CRE$0L U1B 01AZIN0N 1119 OIBUTYL PHOSPHATE 1120 2-n-oibutylaminoethanol 1121 1,1-DICHLORO-1-NITROETHANE 1122 1,3-DlCHLORO-5,5-OIMETHYLHYDANTOIN 8-HOUR TWA MG/M3 PPM SHORT-TERM LIMIT* MG/K3 PPM CEILING** MG/H3 PPM SKIN NOTATION 10 5 2 20 -- 200 ' 100 40 1.5 1720 S 1 0.3 5 10 0.1 5 14 10 0.2 -- -- 10 -- 50 25 10 -- 600 -- -- 0.05 -- -- -- 1 2 2 -- -- 20 -- -- -- -- -- -- 3 -- -- -- 0.9 10 -- -- 10 -- -- 0.4 -- -- -- -- -- -- -- -- -- -- -- -- 0.15 -- -- -- 2 -- -- -- -- -- -- -- 0.6 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.3 -- -- -- -- -- -- -- -- --- -- -- -- -- -- YES YES TES YES YES YES YES ro 000014551 rv TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits* K.S. NO./ CHEMICAL NAME 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM HG/M3 PPM 1123 D1CHLOROACETYLENE ---- ---- 1125 P-DICHLOROBENZENE 1126 l.l-DICHLOROETHANE* 450 75 400 100 665 110 -- -- 112? OICHLQROETHYl ETHER 30 5 60 10 1128 DtCHLOROMONOFLUOROMETHANE 40 10 ---- 1129 1,3-OlCHLQfiOPROPENE S 1 ---- 1130 22-DICHLOROPROPIONlC ACID 6 1 ---- 1131 D1CROTOPHOS (8I0RIN) 0.25 -- ---- 1132 D1CYCL0PENTAD1ENE 30 5 -- -- 1133 01CTCLOPENTAO 1ENYL IRON 10 -- ---- 1134 DIETHANOLAMINE 1135 DIETHYL KETONE 1136 DIETHYL PHTHAtATE 15 3 705 200 5-- ---- ---- ---- 1137 OIETHYLAMINE 1138 DIETHYLENE TRIAMINE 1139 D1GLYC1DYL ETHER (DGE)b 1140 0IISO8UTYL KET0NC 30 10 75 25 4 1. -- -- 0.5 0.1 -- -- 150 25 ---- 1141 OIMETHYL 1,2-DlBROMO-2,2-DICHLOROETHYL PHOSPHATE 3 -- ---- 1142 DIMETHYL SULFATE 0.5 0.1 -- -- 1143 DIMETHYLAN1L1NE 25 5 50 10 CEILING** MG/M3 PPM SKIN NOTATION 0.4 0.1 YES YES YES YES YES YES YES ?ss n o o o o TABLE Z-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits4 H.S. NO./ CHEMICAL NAME 1144 DINITOLMIDE (3,5-OINITRO-O-TOLUAMIDE) 1145 DIOXANE (OIETHYLENt OIOXIDE) 1146 DI0XATM10N (DELNAV) 1147 DIPHENYLAMINE 1148 DIPROPYL KETONE 1149 DIPROPYLENE GLYCOL METHYL ETHER 1150 D1QUAT 1151 01SULFIRAM 1152 DtSULFOTON 1153 D1UR0N 1154 DIVINYL BENZENE 1155 EMERY 1156 ENDOSULFAN 1158 EPICHLOROHYORIN 1159 ETHANQLAM1NE 1160 ETH10N (NIALATE) 1161 ETHYL ACRYLATE 1162 ETHYL -BENZENE 1163 ETHYL BROMIDE 1164 ETHYL ETHER < < c o o o o * un 8-HOUR TWA SHORT-TERM LIMIT* HG/M3 5 90 0.2 10 235 600 0.5 2 0.1 10 so 10 0.1 8 8 0.4 20 435 890 1200 PPM -- 25 -- -- 50 100 -- -- -- -- 10 -- -- 2 3 -5 100 200 400 MG/M3 -- -- -- -- -- 900 -- -- -- -- -- -- --- 15 -- 100 545 1110 1500 PPM -- -- -- -- -- 150 -- -- -- -- -- -- -- -- 6 -- 25 125 250 500 CEILING** MG/M3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- PPM -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ' SKIN NOTATION YES YES YES YES YES YES YES ro CJ o / r TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits4 H.S. NO./ CHEMICAL NAME 116S ETHYL MERCAPTAN 1166 ETHYL SILICATE 1167 ETHYLENE CHLOROHYORIN 1168 ETHYLENE DICHlORIOE {1,2-OICHLOROETHANEJ 1169 ETHYLENE GLYCOL 1170 ETHYLENE GLYCOL DINITRATE** 1171 ETHYLIDENE NORBORNENE 1172 N-ETHYLMORPHOLINE 1173 FENAMIPHOS 1174 FENSULF0TH10N (OASANIT) 1175 FENTHION 1176 FERBAM 1177 FERROVANAOIUM OUST 1178 FIBROUS GLASS DU$Td 1179 FLUORINE 1180 FLUOROTR1CHLOROME THANE 1181 fONOFOS 1182 FORKAMIOE 1183 FURFURAL c < O O o o t-- 4* U1 8-HOUR TUA SHORT-TERM LIMIT* MG/M3 1 85 -- 4 -- -- -- 23 0.1 0.1 0.2 10 1 5 2 -- 0.1 30 8 PPM MG/H3 PPM 0.5 10 -- 1 -- -- -- 5 -- -- -- -- -- -- 1 -- ---- ---- ---- 82 ---- 0.1 -- (20 min) ---- ---- ---- ---- -- ----- 3-- ---- 42 -- -- 20 45 30 2 CEILING** MG/M3 -- -- 3 -- 125 -- PPM -- -- 1 -- 50 -- 25 -- -- -- -- -- -- -- -- 5600 -- 5 -- -- -- -- -- -- -- -- 1000 -- SKIN NOTATION TES YES YES YES TES YES YES ro 4* TABLE Z-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits* H.S. NO./ CHEMICAL NAME 1184 FURFURYL ALCOHOL 1185 GASOLINE 1186 GERMANIUM TETRAHYORIOE 1187 GLUTARALOEHYOE 1188 GLYCERIN (MIST) 1189 GLYC1D0L (2,3-EPOXY-l-PROPANOL) 1190 GRAIN DUST (OAT, WHEAT, BARLEY) 1191 GRAPHITE, NATURAL, RESPIRABLE 1191A GRAPHITE, SYNTHETIC 1192 GYPSUM, TOTAL DUST 1194 N-HEPTANE 1195 HEXACHLOROBUTAD1ENE 1)96 HEXACHLOROCYCLOPENTAOIENE 1197 HEXACHLOROETHANE* 1198 KEXAFLUOROACETONE 1200 N-HEXANE 1201 HEXANE ISOMERS 1202 2-HEXANONE 1203 HEXONE (METHYL ISOBUTYL KETONE) 1204 HEXYLENE GLYCOL 0-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM MG/M3 40 900 0.6 -- 10 75 4 2.5 10 10 1600 0.24 0.1 10 0.7 180 1.800 20 205 -- 10 300 0.2 -- -- 25 -- -- -- -- 400 0.02 0.01 1 0.1 50 500 5 50 -- 60 1500 -- -- -- -- -- -- -- -- 2000 -- -- -- -- -- 3600 -- 300 -- PPM 15 500 -- -- -- -- -- -- -- -- 500 -- -- -- -- -- 1000 -- 75 -- CEILING** MG/M3 PPM SKIN NOTATION -- -- -- 0.8 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 125 -- -- -- 0.2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 25 YES YES YES YES VVV 0 0 0 0 1 4 5 5 5 O TABLE Z-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limitsa H-S. NO./ CHEMICAL NAME 1205 HYORAZINE 1206 HYDROGEN BROMIDE 1207 HYDROGEN CYANIOfc* 1208 HYDROGEN FLUORIDE* 1209 HYDROGEN SULFIDE** 1210 HYDROGENATED TERPHENYLS 1211 2-HYDROXYPROPYL ACRYLATE 1212 INOENE 1213 INDIUM & COMPOUNDS 1214 IODOFORM 1215 IRON OXIDE (DUST AND FUME) 1216 IRON PENTACARBONYL 1217 IRON SALTS (SOLUBLE) 1218 ISOAMYL ALCOHOL 1219 ISOBUTYL ALCOHOL 1220 ISOOCTYL ALCOHOL 1221 ISOPHORONE* d 1222 ISOPKORONE OIISOCYANATE < < o o o o r> v/l 'Jl cr 8-HOUR TWA HG/H3 PPM SHORT-TERM LIMIT* MG/M3 PPM CEILING** MG/M3 PPM SKIN NOTATION 0.1 14 5 3 45 0.1 10 5 0.8 1 360 150 270 23 0.1 3 10 0.5 0.5 10 21 - -- 6 15 -- 10 3 5 4.7 (10 min) (10 min) ---- -- YES YES ---- --YES 0.6 0.1 1.6 0.2 100 50 50 4 0.005 450 -- -- - 125 -- -- -- YES 0.02 (10 min) ro cn TABLE Z-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits* H.S. NO./ CHEMICAL NAME 1223 2-ISOPRGPOXYETHANOL 1224 ISOPROPYL ACETATE 1225 ISOPROPYL ALCOHOL 1226 ISOPROPYL ETHER6 1227 ISOPROPYL GLYCIDYL ETHERb 1228 ISOPROPYLAMINE 1229 N-ISOPROPYLANIL1NE 1230 KAOLIN, TOTAL OUST 1231 KETENE 1232 LIMESTONE, TOTAL OUST 1233 MAGNESITE, TOTAL DUST 1234 MAGNESIUM 0X10E FUME 1235 HALATHION 1236A MANGANESE, FUME 1237 MANGANESE CYCLOPENTADIENYL TRICARBONYL 1238 MANGANESE TETR0X10E 1239 MARBLE, TOTAL OUST 1240 MERCURY (ARYL AND INORGANIC COMPOUNDS)6 1241 MERCURY (VAPOR) 1242 MERCURY, (ORGANO) ALKYL COMPOUNDS 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM MG/M3 PPM 10S 950 980 2100 240 12 10 10 0.9 10 10 10 10 1 0.1 1 10 -- 0.05 0.01 25 250 400 500 50 5 2 -- 0.5 -- -- -- -- -- -- -- -- -- -- -- -- 1185 1225 -- 360 24 -- -- 3 -- -- -- -- 3 -- -- -- -- -- 0.03 -- 310 500 -- 75 10 -- -- 1.5 -- -- -- -- -- -- -- -- -- -- -- CEILING** MG/M3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.1 -- -- PPM -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --- -- -- SKIN NOTATION YES YES YES YES YES i^ to o o o TABU 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits3 H.S. NO./ CHEMICAL NAME 1243 MESITYL OXIDE 1244 HETHACRYLIC ACID 124S NETHOMYL (LANNATE) 1246 METHOXYCHLOR 1247 4-METH0XYPHEN0L 1248 METHYL 2-CYANOACRYLATE 1249 METHYL ACETATE 1250 METHYL ACETYLENE/PROPAD IENE MIXTURE 1251 METHYL ACRYLONITRILE 1252 METHYL ALCOHOL 1253 METHYL BROMIDE 12S4 METHYL CHLORIDE 1255 METHYL CHLOROFORM (1,1,1-TRICHLOROETHANE) 1256 METHYL DEMETON 1257 METHYL ETHYL KETONE PEROXIDE 1258 METHYL FORMATE 1259 METHYL IODIDE < < 1260 METHYL ISOAMYL KETONE 1261 METHYL ISOBUTYL CARB1NOL 1262 METHYL ISOPROPYL KETONE o o o o tn CD 8-HOUR TWA MG/M3 PPM 60 70 2.5 10 5 8 610 1800 3 260 20 105 1900 0.5 -- 250 10 240 100 705 15 20 -- -- -- 2 200 1000 1 200 5 50 3S0 -- -- 100 2 SO 25 200 SHORT-TERM LIMIT* MG/M3 100 -- -- -- -- 16 760 2250 -- 310 -- 205 2450 --- 375 -- -- 165 -- PPM 25 -- -- -- -- 4 250 1250 -- 250 -- 100 450 -- -- 150 -- -- 40 -- CEILING** MG/M3 PPM SKIN NOTATION -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1.5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.2 -- -- -- -- YES YES YES YES YES YES ro co TABLE Z-4. AH Substances Considered by OSHA for Proposed Revision or Addition of Limits* H.S. NO./ CHEMICAL NAME 1263 METHYL MERCAPTAN* 1264 METHYL N-AMYL KETONE* 1265 METHYL PARATHIONC 1266 METHYL SILICATE 1267 ALPHA-METHYL STYRENE 126B METHYLCYCLOHEXANE 1269 HETHYLCYCLOHEXANOL 1270 O-METHYLCYCLOHEXANONE 1271 METHYLCYCLOPENTAOtENYL m TRICARBONYL 1272 METHYLENE BIS (4-CYCLOHEXYLISOCYANATE) 1273 4,4*-METHYLENE BIS(2-CHL0R0ANILINE) 1275 METRIBUZIN 1276 MICA 1277 MINERAL WOOL FIBER 1278 MOLYBDENUM (INSOLUBLE COMPOUNDS) 1279 MONOCROTOPHOS (AZOORIN) . 1280 NONOMETHYL ANILINE 1281 MORPHOLINE 1282 NAPHTHALENE 1283 NICKEL (SOLUBLE COMPOUNOS) 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM MG/M3 1 465 0.2 6 240 1600 235 230 0.2 -- 0.22 S 3 10 10 0.25 2 70 SO 0.1 0.5 100 -- 1 50 400 50 50 -- - 0.02 -- -- -- -- -- 0.5 20 10 -- -- -- -- -- 485 -- -- 345 -- -- -- -- -- -- -- -- -- 105 75 -- PPM -- -- -- -- 100 -- -- 75 -- -- -- -- -- -- -- -- -- 30 15 -- CEILING** MG/M3 PPM SKIN NOTATION -- -- -- -- -- -- -- -- -- 0.11 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.01 -- -- -- -- -- -- -- -- -- -- YES TES YES YES YES YES VVV 000014559 TABLE 2-4. All Substances Considered by OSKA for Proposed Revision or Addition of Limits2 H.S. NO./ CHEMICAL NAME 1284 NICKEL CARBONYL* 1286 NITRIC ACID 1287 P-NITROANILINE 1288 P-NITROCHLOROBENZENEe 1289 NITROGEN DIOXIDE*3 1290 NITROGLYCERIN*3 1291 2-NITROPROPANE 1292 NITROTOLUENE 1293 NONANE 1294 NUISANCE PARTICULATES, TOTAL DUST 1295 OCTACHLDR0NAPHTHALENE 1296 OCtAN^' 1297 OIL MIST (MINERAL) 1298 OSMIUM TETROXIDE , 1299 OXALIC AC10 1300 OXYGEN DIFLUORIDE 1301 020NE 1302 PARAFFIN WAX. FUME . 1303 PARAQUAT, RESPIRABLE DUST c < < o o o o *- * On 8-HOUR TWA MG/K3 PPM SHORT-TERM LIMIT* MG/H3 PPM CEILING** MG/M3 PPM SKIN NOTATION 0.007 5 3 1 0.001 2 -- -- 10 -- -- 4 -- -- 35 11 1050 10 O.l 1450 5 0.002 1.8 1 - -- Q.l -- (20 min) 10 -- -- 2 -- -- 200 -- -- -- ---- -- 0.3 -- 300 1800 375 -- 10 -- 0.0002 0.006 010006 1-- ---- 2-- ---- 0.2 0.1 2-- 0.1 . -- 0.6 -- 0.3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.1 -- -- -- -- -- -- YES YES -- YES -- -- -- -- -- -- -- -- -- 0.05 -- --- -- YES YES YES TA8LE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of limits* H.S. NO./ CHEMICAL NAME 1304 PENTA80RANE t 1305 PENTAERYTHRITOL, TOTAL DUST 1306 PENTANE 1307 2-PENTANONE (HETHTL PROPYL KETONE) 1308 PERCHLOROETHYLENE 1309 PERCHLORYL FLUORIDE 1310 PERLITE 1312 PETROLEUM DISTILLATES (NAPHTHA) 1313 PHENOTHlAZtNE 1314 PHENYL ETHER (VAPOR)* 1315 PHENYL CLYCIOYL ETHER 1316 PHENYL MERCAPTAN 1317 PHENYLHYORA2INE 1310 phEnylphosphine 1319 PHOMTE (THIMET) 1320 PHOSDRIN (MEV1NPHOS) 1321 PHOSPHINE 1322 PHOSPHORIC ACID 1323 PHOSPHORUS OXYCHLORIDE 1324 PHOSPHORUS PENTASULFIDE < < < o o o 8-HOUR TWA MG/K3 PPM SHORT-TERM LIMIT* MG/M3 PPM CEILING** MG/M3 PPM SKIN NOTATION 0.01 10 1800 700 340 14 10 1600 5 7 6 2 20 -- 0.05 0.1 0.4 1 0.6 1 0.005 -- 600 200 50 3 -- 400 -- 1 1 O.S 5 -- -- 0.01 0.3 __ 0.1 -- 0.03 -- 2250 875 1340 28 -- -- -- -- -- -- 46 -- 0.2 0.3 1 3 3 3 0.015 -- 750 250 200 6 -- -- -- -- -- -- 10 -- -- 0.03 1 O.S -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.25 -- -- -- _ -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.05 -- -- -- _ YES YES YES YES -- TA8LE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of limitsa H.S. NO./ CHEMICAL NAME 1325 PHOSPHORUS TRICHLORIDE 1326 PHTHAUC ANHYDRIDE 1327 M-PHTHALODINITRILE 1328 PICLORAM 1329 PICRIC AGIO 1330 PIPERAZINE DIHYDROCHLORIDE 1331 PIASTER Of PARIS, TOTAL DUST 1332 PLATINUM, METAL 1333 PORTLAND CEMENT 1334 POTASSIUM HYDROXIDE 1335 PROPARGYL ALCOHOL 1336 PROPIONIC ACIO 1337 PROPOXUR (BAYGON) 1338 N-PROPYL ACETATE 1339 PROPYL ALCOHOL 1340 N-PROPYL NITRATE 1341 PROPYLENE BICHLORIDE 1342 PROPYLENE GLYCOL OINJTRATE 1343 PROPYLENE GLYCOL MONOMETHYL ETHER 1344 PROPYLENE OXIOE < < c o o o o B-HOUR THA SHORT-TERM LIMIT* MG/K3 t 1.5 6 5 10 0.1 5 10 1 10 -- 2 30 0.5 640 500 105 350 0.3 360 SO PPM MG/M3 PPM 0.2 1 -- -- -- -- -- -- -- -- 1 10 -- 200 200 25 75 0.05 100 20 3 -- -- 20 0.3 -- -- --. -- -- -- 45 -- 1050 625 170 510 -- 540 -- 0.5 -- -- -- -- -- -- -- -- -- -- 15 -- 250 250 40 110 -- 150 -- CEILING** MG/M3 PPM SKIN NOTATION -- -- -- -- -- -- -- -- -- 2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- YES YES YES YES TABLE 2-4. All Substances Considered by OSHA for Proved Revision or Addition of Limits4 H.S. NO./ CHEMICAL NAME * 1346 RESORCINOL 1347 RHODIUM (METAL FUME & INSOLUBLE COMPOUNDS)6 1348 RHODIUM (SOLUBLE SALTS)* 1349 RONNEL 1350 ROSIN CORE SOLDER PYROLYSIS PROOUCT (AS HCHO) 1351 ROUGE, TOTAL DUST 1352 SILICA, AMORPHOUS, DIATOMACEOUS EARTH 1353 SILICA, AMORPHOUS, PRECIPITATED OR GEL 1354 SILICA, CRYSTALLINE - CRISTOBALITE 1355 SILICA, CRYSTALLINE QUARTZ, RESPIRABLE 1356 SILICA, CRYSTALLINE TRIDYMITE 1357 SILICA, CRYSTALLINE TRIPOLI (AS QUARTZ DUST) 1358 SILICA, FUSED 1359 SILICON 1360 SILICON CARBIDE 1361 SILICON TETRAHYDRIDE 1362 SILVER (METAL DUST AND FUME)* 1363 SOAPSTONE, TOTAL DUST 1363A SOAPSTONE, RESPIRABLE DUST 1364 SODIUM AZIDE 1365 SODIUM BISULFITE 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM 45 0.1 0.001 10 0.1 10 6 6 0.05 0.1 0.05 0.1 0.1 10 10 7 0.01 6 3 -- 5 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 5 -- -- -- -- -- MG/M3 90 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --- -- -- -- PPM 20 -- -- -- -- -- -- -- -- -- -- -- -- -- -- --. -- ~ -- -- -- CEILING** MG/M3 PPM SKIN NOTATION -- -- --- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0.1 -- VVV 0000X ^563 o TABLE Z-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits3 H.S. NO./ CHEMICAL NAME 1366 SODIUM FLUOROACETATE 1367 SODIUM HYDROXIDE 1368 SODIUM HETABISULfITE 1369 STARCH, TOTAL DUS1 1371 STODDARD SOLVENT 1372 STYRENE (PHENYLETHYLENE)C 1373 SU8TIUSINS (PROTEOLITIC ENZYMES) 1374 SUCROSE, TOTAL OUST 1375 SULFUR DIOXIOE 1376 SULFUR HONOCHLORIOE 1377 SULFUR PENTAFUJ0R1QE 1378 SULFUR TETRAFLUORIDE 1379 SULFURYL FLUORIDE 1380 SULPROFOS 1381 TALC (NON-ASBESTIFORM) 1382 TANTALUM (METAL AND OXIDE OUSTS) 1383 TEMEPHOS 1384 TERPHENYLS 1385 1,1,2,2-TETRACHLOROEIHANE 1386 TETRAETHYL LEAD* 1387 TETRAHYOROFURAN 1388 TETRAMETHYL LEAD6 < < c o o o p* cr 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM 0.05 -- 5 10 525 21S -- 10 5 -- -- -- 20 1 2 5 10 -- 7 0.075 590 0.075 -- -- -- -- 100 50 -- -- 2 -- -- -- 5 -- -- -- -- 200 ~ MG/M3 PPM 0.15 -- -- -- -- 425 -- -- 10 -- -- -- 40 -- -- 10 -- -- -- -- -- -- -- -100 -- -- 5 ~ -- -- 10 -- -- -- -- -- -- 735 250 ---- CEILING** MG/M3 PPM SKIN NOTATION -- 2 -- -- -- -- 0.00006 -- -- 6 0.1 0.4 -- -- -- -- -- 5 -- -- -- -- -- -- -- -- -- -- 1 0.01 0.1 -- -- -- -- -- 0.5 -- YES YES YES -- -- YES TABLE 2-4. AH Substances Considered by OSHA for Proposed Revision or Addition of Limits* H.S. NO./ CHEMICAL NAME 1389 TETRASODIUM PYROPHOSPHATE 1391 4,4*-THI0BIS (6-TERT-BUTYL-H-CRESOL) 1392 THIOGLYCOLIC ACIO 1393 THIONYL CHLORIOE 1394 TIN (ORGANIC COMPOUNDS) I39S TIN OXIDE 1396 TITANIUM OIOXI0E 1397 TOLUENE 1398 TOLUENE 2,4-OlISOCYANATE 1399 O-TOLUIOINE 1400 P-T0LUID1NE 1401 M-T0LU101NE 1402 TRIBUTYL PHOSPHATE 1403 1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE 1404 TRICHLOROACETIC ACID 1405 1,2,4-TRICHLOROBENZENE 1406 TRICHLOROETHYLENE4 1407 1,2,3-TRICHLOROPROPANE 1408 TRIETHYLAMINE 1409 TRIMELLITIC ANHYDRtOE < ^ 1410 TRIMETHYL PHOSPHITE g o O V/t 8-HOUR TUA SHORT-TERM LIMIT* CEILING** MG/M3 PPM MG/M3 PPM HG/M3 5 10 4 -- 0.1 2 10 37S 0.04 9 9 9 2.5 7600 7 -- -- 60 40 0.04 10 -- -- 1 -- -- --- 100 0.005 2 2 2 0.2 1000 1 -- 25 10 10 0.005 2 ---- ---- ---- ---- ---- ---- ---- 560 ISO 0.1S 0.02 ---- ---- ---- ---- 9500 1250 ---- ---- ---- ---- 60 15 ---- ---- -- -- -- 5 -- -- -- -- -- -- -- -- -- -- -- 40 -- -- -- -- -- PPM -- -- -- 1 -- -- -- -- -- -- -- -- -- -- -- 5 -- -- -- -- -- SKIN NOTATION YES YES YES YES YES YES /t 1000 TABLE 2-4. All Substances Considered by OSHA for Proposed Revision or Addition of Limits4 H.S. NO./ CHEMICAL NAME 1411 TRIMETHTLAMINE 1412 TRIMETHYLBENZENE 1413 2,4,6-TRINITROTOLUENE (TNT) 1414 TRIORTHOCRESYL PHOSPHATE 1415 TRIPHENYL AMINE 1416 TUNGSTEN & COMPOUNDS (INSOLUBLE) 1417 TUNGSTEN & COMPOUNDS (SOLUBLE) 1418 URANIUM (INSOLUBLE COMPOUNDS) 1419 URANIUM (SOLUBLE COMPOUNDS)* 1420 N-VALERALOEHYOE 1421 VANADIUM (V205, DUST)b 1422 VANAOIUM (V205, FUME)b 1423 VEGETABLE OIL MIST 1424 VINYL ACETATE 1425 VINYL BROMIDE 1426 VINYL CYCLOHEXENE DIOXIDE 1427 VINYL TOLUENE* 1428 VINYLIDENE CHLORIDE 1429 VM A P NAPHTHA 1430 WELDING FUMES (TOTAL PARTICULATE) 1430a WOOO OUST, HARO WOOD 8-HOUR TWA SHORT-TERM LIMIT* MG/M3 PPM 24 125 0.5 0.1 5 5 1 0.2 0.05 175 0.05 0.05 10 30 20 60 480 20 1350 5 1 10 25 -- -- -- -- --- -- -- 50 -- -- -- 10 5 10 100 5 300 -- -- MG/M3 PPM 36 -- -- -- -- 10 3 0.6 -- -- -- -- -- 60 -- -- -- 80 -- -- -- 15 -- -- -- -- -- -- -- -- -- -- -- -- 20 -- -- -- 20 -- -- -- CEILING** MG/M3 SKIN PPM ' NOTATION ---- ---- -- -- YES -- -- YES ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -- -- YES ---- ---- ---- ---- ---- 01 O' O' Co i9 5^X0000 TABLE 7-4. All Substances Considered by OSHA for Propo^ Revision or Addition of Limits H.S. NO./ CHEMICAL NAME 1430b WOOD OUST, SOFT WOOD 1431 XYLENE (0,M,P-ISOMERS) 1432 H-XYLENE-ALPHA,ALPHA'-DIAMINE 1433 XYLIOINE 1434 ZINC STEARATE 1435 ZINC CHLORIDE FUME 1436 ZINC CHROMATES (CrVl)G 1437 ZINC OXIDE (FUME) 1438 ZINC OXIDE, TOTAL DUST 1439 ZIRCONIUM COMPOUNDS 8-HOUR TWA MG/M3 5 435 -- 10 10 1 -- 5 10 5 PPM -- 100 -- 2 -- -- -- -- -- -- SHORT-TERM LIMIT* MG/M3 10 655 -- -- 20 2 -- 10 -- 10 PPM -- 150 -- -- -- -- -- -- -- -- CEILING** MG/M3 -- -- 0.1 -- -- -- 0.1 -- -- -- PPM -- -- -- -- -- -- -- -- -- -- SKIN NOTATION YES YES a All proposed limits derive from the 1987-88 ACGIH TLVs, unless otherwise noted. b Proposed limit is based on 1987-88 ACGIH TLV because NIOSH REL for this substance was judged to be essentially equivalent to the TLV. c proposed limit is based both on 1987-88 ACGIH TLV and the current NIOSH REL, which are identical. d Proposed limit is based on NIOSH REL. 0 Proposal retains existing PEL. < * Duration is 15 minutes, unless otherwise noted. ** ^ Ceiling is a peak not to be exceeded at any time during the working day. 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