<p> Cal-OSHA Reportable Hazardous Chemicals</p><p>Scope: Applies to occupational settings where these chemicals are manufactured, processed, used, repackaged, released, stored or otherwise handled.</p><p>Table 1: Must complete Supplemental Information Form for Chemical Requiring Registration with Cal-OSHA:</p><p>Name CASRN1 If above % weight or volume 2-Acetylaminofluorene 53-9-63 1.0 4-Aminodiphenyl 92-67-1 0.1 Benzidine (and its salts) 92-87-5 0.1 bis-Chloromethyl ether 542-88-1 0.1 Methyl chloromethyl ether 107-30-2 0.1 3,3'-Dichlorobenzidine (and its salts) 91-94-1 1.0 4-Dimethylaminoazobenzene 60-11-7 1.0 Ethyleneimine 151-56-4 1.0 alpha-Naphthylamine 134-32-7 1.0 beta-naphthylamine 91-59-8 0.1 4-Nitrobiphenyl 92-93-3 0.1 N-Nitrosodimethylamine 62-75-9 1.0 beta-Propiolactone 57-57-8 1.0</p><p>Table 2: May have to complete Supplemental Information Form for Chemical Requiring Registration with Cal-OSHA. Contact EH&S 824-6200 for assessment.</p><p>Name CASRN If exposure occurring above: Acrylonitrile 107-13-1 STEL2 (5ppm) or PEL3 (2ppm) Asbestos 1332-21-4 PEL (0.1ff/cc4) or 30 minute-excursion (1ff/cc) Benzene 71-43-2 STEL (5ppm) or PEL (1ppm) 1,3 Butadiene 106-99-0 STEL (5ppm) or PEL (1ppm) Cadmium 7440-43-9 PEL (5ug/m3) any potential exposures from production of coke Coke Oven Emissions 8007-45-2 from coal 1,2 Dibromo-3-Chloropropane 96-12-8 PEL (1ppb) (DBCP) Ethylene Dibromide 106-93-4 any potential exposure where composition > 0.1%5 Ethylene Oxide 75-21-8 STEL (5ppm) or PEL (1ppm) Formaldehyde 50-00-0 STEL (2ppm) or PEL (0.75ppm) Inorganice Arsenic 7440-38-2 PEL (0.01mg/m3) 4,4'-Methylenebis (2- 101-14-4 CL6 (50mg/m3) or PEL (10mg/m3) Chloroaniline) Methylene Chloride 75-09-2 STEL (125ppm) or PEL (25ppm) Methylenedianaline 101-77-9 STEL (100ppb) or PEL (10ppb) Vinyl Chloride 75-01-4 STEL (5ppm) or PEL (1ppm)</p><p>1 CASRN Chemical Abstracts Service Registry Number. 2 STEL Cal-OSHA short-term exposure limit 15 minute. 3 PEL Cal-OSHA permissible exposure limit 8-hour time weighted average. 4 ff/cc Friable fibers per cubic centimeter of air. 5 % by weight or volume. 6 CL Cal-OSHA ceiling limit airborne exposure concentration that cannot be exceeded at any time.</p>