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Safety and Health Plan <br /> Vacant Property Tracy, California Irerracon <br /> May 21, 2021 Terracon Project No. NA197074B <br /> FUEL OIL (No. 6) <br /> Permissible Exposure Limit <br /> 400 ppm OSHA PEL (as petroleum distillates/naphtha) <br /> 0.2 mg/m3 OSHA PEL (Coal Tar Pitch Volatiles, "PNA's") <br /> Fuel oil No. 6, or "Bunker Fuel", is of low volatility. It can be irritating to the eyes and skin. This <br /> substance is likely to contain polynuclear aromatic hydrocarbons (PAH's), some of which are <br /> considered carcinogenic. PAH's present a skin contact hazard. Avoid skin contact with potentially <br /> contaminated site materials. <br /> BENZENE <br /> Permissible Exposure Limit <br /> 1 ppm OSHA PEL <br /> 5 ppm OSHA 15 min STEL <br /> 0.5 ppm OSHA Action Level <br /> Benzene is a central nervous system depressant and an eye and skin irritant. Poisoning may <br /> cause hemorrhages and immunosuppression. A relationship has been discovered between <br /> benzene exposure and leukemia. Benzene is regulated as an occupational carcinogen. Acute <br /> exposure may cause dizziness, excitation, weakness, headache, giddiness, breathlessness and <br /> chest constriction. <br /> TOLUENE <br /> Permissible Exposure Limit <br /> 20 ppm ACGIH TLV <br /> (Skin Absorbable) <br /> Toluene is an eye, skin and mucous membrane irritant and a central nervous system depressant. <br /> Poisoning may affect the liver and kidneys. Prolonged exposure may affect the heart and blood. <br /> The ingestion of alcoholic beverages may enhance the toxic effects of toluene. Symptoms of <br /> exposure include respiratory tract irritation, headache, dizziness and eye irritation. Toluene may <br /> be absorbed to the bloodstream via skin contact. <br /> ETHYL BENZENE <br /> Permissible Exposure Limit <br /> 20 ppm ACGIH TLV <br /> Ethyl benzene is a skin, eye and mucous membrane irritant. It is moderately toxic by ingestion <br /> and slightly toxic by skin absorption. Ethyl benzene is a central nervous system depressant. <br /> Poisoning may affect the liver. Symptoms of exposure may include a sense of chest constriction <br /> and nervous disorders. Skin contact may result in first and second degree burns. The odor can <br /> be detected at 140 ppm and irritation occurs at -200 ppm. <br /> 7 <br />