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zS� <br /> r <br /> NOW <br /> e <br /> GASCO Gasoline Station January 30, 1991 <br /> Project No. 3-30054-31 Page A-3 <br /> • Safety Supplies and Equipment inventory <br /> • Medical Surveillance Program/Physical Examinations <br /> • Training Programs/1-lazard Communication <br /> • Accident/Incident Reporting Procedures <br /> • Decontamination/Contamination Reduction Procedures <br /> The Site Safety Officer has the authority to suspend work anytime he or she determines <br /> the safety provisions set forth in this SSP are inadequate to ensure worker safety. The <br /> Site Safety Officer shall also inform the Project Manager of individuals whose conduct <br /> does not meet the safety prov;sions of this SSP. The Site Safety Officer reports to the <br /> Project Manager. <br /> A Site Safety Officer must be present during the field work operations. If the Site <br /> Safety Officer is not available, the Project Manager will assign a new Site Safety <br /> Officer to the site, with the approval of one of the Office Safety Coordinators. If not at <br /> the site; Mr. Garlow can be reached at(415) 559-0404, <br /> III. JOB HAZARD ANALYSIS/SITE CHARACTERIZATION <br /> Chemical Hazards <br /> The hazardous chemicals that may be encountered at the site are petroleum <br /> hydrocarbons, including benzene, toluene, ethyl benzene, and xylene. A summary of <br /> relevant chemical, physical, and toxicological properties for each chemical hazard is <br /> : + listed below. <br /> +y Benzene: Benzene is a colorless liquid with an aromatic odor. It <br /> is a relatively volatile chemical (vapor pressure = 75 <br /> mm Hg @ 68 °F) that may pc-ssibly be present in soils in <br /> both the liquid or vapor form. The flash point of <br /> benzene is only 12 °F, thereby classifying it as a <br /> -- flammable liquid. Benzene is recognized by the <br /> National Institute of Occupational Safety and Health <br /> (NIOSH)as a potential human carcinogen. <br /> Benzene can enter the body through all four routes of <br /> exposure: (1) inhalation; (2) absorption; (3) ingestion; <br /> and (4) injection. Target organs are the blood, central <br /> nervous system, skin, bone marrow, eyes, and <br /> respiratory system. Acute exposure effects include <br /> irritation of the eyes, nose, and respiratory system as <br /> well as headache, nausea,staggered gait,depression, and <br /> abdominal pain. The chronic effect of over-exposure is <br /> "• the potential for cancer. The PEL for benzene is 10.0 <br /> ppm. <br />