R 325.60156 Maximum allowable concentrations for substances; C and D.

Rule 6. Table 2 for substances C and D, are as follows: TABLE 2 MAXIMUM ALLOWABLE CONCENTRATIONS FOR SUBSTANCES; C AND D SUBSTANCE CAS No.1 MAC/Ceiling/STEL ppm mg/m3 Cadmium and cadmium compounds See CS 609. Cadmium in Construction* Calcium arsenate --- 1 Calcium carbonate 1317-65-3 Inert dust Calcium oxide 1305-78-8 --- 5 Camphor (synthetic) 76-22-2 2 --- Carbaryl (Sevin®) 63-25-2 --- 5 Carbon black 1333-86-4 --- 3.5 Carbon dioxide 124-38-9 5,000 9,000 S Carbon disulfide 75-15-0 20 60 Carbon monoxide 630-08-0 50 55 S, C Carbon tetrachloride 56-23-5 10 65 Cellulose (paper fiber) 9004-34-6 Inert dust S Chlordane 57-74-9 --- 0.5 S Chlorinated camphene 8001-35-2 --- 0.5 Chlorinated diphenyl oxide 55720-99-5 or 31242-93-0 --- 0.5 Chlorine 7782-50-5 1 3 Chlorine dioxide 10049-04-4 0.1 0.3 C Chlorine trifluoride 7790-91-2 0.1 0.4 C Chloroacetaldehyde 107-20-0 1 3 alpha-Chloroacetophenone (Phenacyl chloride) 532-27-4 0.05 0.3 Chlorobenzene (mono chlorobenzene) 108-90-7 75 350 o-Chlorobenzylidene malononitrile (OCBM) 2698-41-1 0.05 0.4 Chlorobromomethane 74-97-5 200 1,050 2-Chloro-1,3-butadiene See Chloroprene S Chlorodiphenyl (42% Chlorine) 53469-21-9 --- 1 S Chlorodiphenyl (54% Chlorine) 11097-69-1 --- 0.5 1-Chloro-2,3-epoxy propane See Epichlorohydrin TABLE 2 MAXIMUM ALLOWABLE CONCENTRATIONS FOR SUBSTANCES; C AND D SUBSTANCE CAS No.1 MAC/Ceiling/STEL ppm mg/m3 2-Chloroethanol See Ethylene chlorohydrin Chloroethylene See Vinyl chloride C Chloroform (Trichloromethane) 67-66-3 50 240 1-Chloro-1-nitropropane 600-25-9 20 100 Chloropicrin 76-06-2 0.1 0.7 S Chloroprene (2-chloro-1,3-butadiene) 126-99-8 25 90 Chromic acid and chromates (as Cr03 ) See OH 604. Chromium (VI) in Construction*, *** Chromium (VI) compounds See OH 604. Chromium (VI) in Construction*, *** Chromium sol. chromic and chromous salts (as Cr) Varies with compound --- 0.5 Metal and insol. Salts 7440-47-3 --- 1 Coal tar pitch volatiles (benzene soluble fraction: anthracene, BaP, phenanthrene, acridine, chrysene, pyrene) 65996-93-2 --- 0.2 Cobalt, metal fume and dust 7440-48-4 – 0.1 Coke oven emissions See GI & CS 314. Coke Oven Emissions* Copper Fume 7440-50-8 --- 0.1 Dusts and mists --- 1 Corundum (Al203) Inert dust Cotton dust (raw) – --- 1 Crag® herbicide 136-78-7 --- 15 S Cresol (all isomers) 1319-77-3 5 22 Crotonaldehyde 123-73-9 4170-30-3 2 6 S Cumene 98-82-8 50 245 S Cyanide (as CN) Varies with compound --- 5 Cyanogen 460-19-5 10 --- Cyclohexane 110-82-7 300 1,050 Cyclohexanol 108-93-0 50 200 TABLE 2 MAXIMUM ALLOWABLE CONCENTRATIONS FOR SUBSTANCES; C AND D SUBSTANCE CAS No.1 MAC/Ceiling/STEL ppm mg/m3 Cyclohexanone 108-94-1 50 200 Cyclohexene 110-83-8 300 1,015 Cyclopentadiene 542-92-7 75 200 2,4-D 94-75-7 --- 10 S DDT (Dichlorodiphenyl-trichloroethane) 50-29-3 --- 1 DDVP See Dichlorvos S Decaborane 17702-41-9 0.05 0.3 S Demeton® 8065-48-3 --- 0.1 Diacetone alcohol (4-hydroxy-4-methyl-2-pentanone) 123-42-2 50 240 1,2-Diainoethane See Ethylenediamine Diazomethane 334-88-3 0.2 0.4 Diborane 19287-45-7 0.1 0.1 S, C 1,2-Dibromoethane (ethylene dibromide) 106-93-4 25 190 Dibutyl phosphate 107-66-4 1 5 Dibutyl phthalate 84-74-2 --- 5 C Dichloroacetylene 7572-29-4 0.1 0.4 C o-Dichlorobenzene 95-50-1 50 300 p-Dichlorobenzene 106-46-7 75 450 Dichlorodifluoromethane 75-71-8 1,000 4,950 1,3-Dichloro-5, 5-dimethyl hydantoin 118-52-5 --- 0.2 1,1-Dichloroethane 75-34-3 100 400 1,2-Dichloroethane 107-06-2 50 200 1,2-Dichloroethylene 540-59-0 200 790 S, C Dichloroethyl ether 111-44-4 15 90 Dichloromethane See Methylene chloride Dichloromonofluoromethane 75-69-4 1,000 4,200 C 1,1-Dichloro-1-nitroethane 594-72-9 10 60 1,2-Dichloropropane See Propylene dichloride Dichlorotetrafluoroethane 76-14-2 1,000 7,000 S Dichlorvos (DDVP) 62-73-7 --- 1 TABLE 2 MAXIMUM ALLOWABLE CONCENTRATIONS FOR SUBSTANCES; C AND D SUBSTANCE CAS No.1 MAC/Ceiling/STEL ppm mg/m3 S Dieldrin 60-57-1 --- 0.25 Diethylamine 109-89-7 25 75 S Diethylamino, ethanol 100-37-8 10 50 S, C Diethylene triamine 111-40-0 10 42 Diethyl ether See Ethyl ether Difluorodibromomethane 75-61-6 100 860 C Diglycidyl ether (DGE) 2238-07-5 0.5 2.8 Dihydroxybenzene See Hydroquinone Diisobutyl ketone 108-83-8 50 290 S Diisopropylamine 108-18-9 5 20 Dimethoxymethane See Methylal S Dimethyl acetamide 127-19-5 10 35 Dimethylamine 124-40-3 10 18 Dimethylaminobenzene See Xylidene S Dimethylaniline (N-dimethylaniline) 121-69-7 5 25 Dimethylbenzene See Xylene Dimethyl-1, 2-dibromo- 2, 2-dichloroethyl phosphate (Dibrom®) 300-76-5 --- 3 S Dimethylformamide 68-12-2 10 30 2,6-Dimethylheptanone See Diisobutyl ketone S 1,1-Dimethylhydrazine 57-14-7 0.5 1 Dimethylphthalate 131-11-3 --- 5 S Dimethyl sulfate 77-78-1 1 5 S Dinitrobenzene (all isomers) 99-65-0 528-29-0 100-25-4 --- 1 S Dinitro-o-cresol 534-52-1 --- 0.2 S Dinitrotoluene 25321-14-6 --- 1.5 S Dioxane (diethylene dioxide) 123-91-1 100 360 Diphenyl 92-52-4 0.2 1 Diphenylamine 122-39-4 --- 10 Diphenylmethane diisocyanate See Methylene bisphenyl isocyanate (MDI) TABLE 2 MAXIMUM ALLOWABLE CONCENTRATIONS FOR SUBSTANCES; C AND D SUBSTANCE CAS No.1 MAC/Ceiling/STEL ppm mg/m3 S Dipropylene glycol methyl ether 34590-94-8 100 600 Di-sec-octyl phthalate (di-2-ethylhexylphthalate) 117-81-7 --- 5 1 The CAS number is for information only. Enforcement is based on the substance name. For an entry covering more than 1 metal compound measured as the metal, the CAS number for the metal is given - not the CAS number for the individual compounds. A See R 325.60154(2)(a). C B See R 325.60154(2)(b). S C See R 325.60154(2)(c). STEL See R 325.60154(2)(d). * Caution--these rules contain extensive requirements for exposure to these substances. *** If the exposure limit in OH 604. Chromium (VI) in Construction is stayed or is otherwise not in effect, the exposure limit is 0.1 mg/m3 for chromic acid and chromates (Cr03) as an 8-hour TWA. All MIOSHA Standards shown in is this table are referenced in R 325.60151.