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CHEMICAL NAME AND CAS q ROUTES OF ENTRY PUBLISHED EXPOSURE LIMITS <br /> CATEGORY CONCENTRATION SOURCE <br /> Chromium VI Inhalation,Ingestion PEL-TWA 5.0 Ag/m3 Cal/OSHA <br /> 7440-47-3 skin contact <br /> 3.8.2 Petroleum Hydrocarbons <br /> Types/Source: Automotive fuel and lubricants— gasoline; aromatic petroleum distillates;diesel fuel; <br /> waste oils from former industrial 3perittions <br /> TPH: Total petroleum hydrocarbons <br /> • BTEX: Benzene,toluene,ethylbenzene, and xylenes, including other aromatic hydrocarbons <br /> Exposure Route : Inhalation, skin absc rption;ref.Attachment E—NIOSH Guides Petroleum <br /> Hydrocarbons <br /> Exposure signs/symptoms: See Attachment E(r f.NIOSH Pocket Guide to Chemical Hazards) <br /> Qualified Exposure Risk: Low <br /> Hazard Control(s): See Section 3.8.1 <br /> 3.8.2.1 Gasoline <br /> PUBLISHED EXPOSURE LIMITS <br /> CHEMICAL NAME AND CAS# ROUTE OF ENTRY <br /> CATEGORY CONCENTRATION SOURCE <br /> Gasoline(8006-61-9) Inhalation PEL/TLV-TWA 300 ppm Cal/OSHA <br /> Dermal PEL/TLV-STEL 500 ppm &ACGIH/ <br /> 3.8.2.2 Diesel Fuel <br /> CHEMICAL NAME AND CAS# ROUTES OF ENTRY PUBLISHED EXPOSURE LIMITS <br /> CATEGORY CONCENTRATION SOURCE <br /> Diesel fuel Inhalation TLV-TWA 100 mg/m3 ACGIH <br /> 68476-31-3 Skin Absorption (Vapor&Aerosol) <br /> 3.8.2.3 Aromatic Petroleum Distillates <br /> CHEMICAL NAME AND ROUTES OF ENTRY PUBLISHED EXPOSURE LIMITS <br /> CAS# CATEGORY CONCENTRATION SOURCE <br /> Benzene Inhalation P7L-TWA 1 ppm Cal/OSHA <br /> 71-73-2 Skin Absorption SEL 5 ppm <br /> Naphthalene Inhalation PL-TWA 10 ppm Cal/OSHA <br /> 91-20-3 Skin Absorption SEL 15 ppm <br /> Ethylbenzene Inhalation P -TWA 100 ppm Cal/OSHA <br /> 100414 SEL 125 ppm <br /> Toluene Inhalation P L-TWA 50 ppm Cal/OSHA <br /> 108-88-3 Skin Absorption <br /> Xylenes Inhalation P L-TWA 100 ppm Cal/OSHA <br /> 1330-20-7 SEL 150 ppm <br /> Vinyl Chloride Inhalation P--L-TWA Ippm Cal/OSHA <br /> 75-01-4 Skin Absorption <br /> Linden UST SI and Removal,Task Order No.34 Caltrans Contract 06A1895,EFIS 10-1300-0181-0 <br /> Geocon Project No.59800-01-34 - 14- October 2013,Revised September 2014 <br />