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ITC 9591 1 Health and Safety Rules for Contractors <br /> ITC 9650 Hearing Conservation Program <br /> These policies and their implementation are central to IT's accident prevention program <br /> The provisions of this plan are mandatory for all IT personnel and subcontractors assigned to <br /> the protect All authorized visitors to any of the work sites will be required to abide by these <br /> procedures <br /> 3.1 Chemical Hazards Identified at the Pacific Bell Facility in Stockton, <br /> California <br /> The presence of diesel fuel tanks (former and current) at the Pacific Bell facility in Stockton, <br /> California may present potentially hazardous contaminants related to fuel hydrocarbons and <br /> used oils The hydrocarbons and their constituents can be hazardous These constituents are <br /> listed below along with a brief health hazard description, the American Conference of <br /> Governmental Industrial Hygienists Threshold I amit Values (ACGIH TLV's) and vapor <br /> pressures. <br /> Benzene <br /> Hazards Benzene is a skin irritant. Inhalation may result in headache, dizziness, nausea, and <br /> general weakness Continued exposures to high concentrations could result in <br /> central nervous system depression and respiratory failure Prolonged chronic <br /> exposures may result in abnormalities of the blood forming tissues of bone marrow <br /> as well as leukemia Benzene is a suspect human carcinogen <br /> • TLV 1 part per million (ppm) <br /> • Vapor Pressure 100 mm at 26 10C <br /> Toluene <br /> Hazards. Toluene is a skin irritant Inhalation may result in headaches, dizziness, nausea, <br /> incoordination, and general weakness Continued exposures to high concentrations <br /> may result in anemia, enlarged liver, or coma. Toluene can contain residual levels <br /> of benzene. <br /> • TLV 100 ppm <br /> • Vapor Pressure 36 7 mm at 30° C <br /> MZ109-21-93/ENG/93-0127 bk <br /> 9 <br />