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I�1 <br /> 3.0 JOB HAZARD SUMMARY <br /> r_l These are potential hazards associated with the work to be completed at the Cal-Tank <br /> facility and include: <br /> • Chemical Hazards <br /> • Physical Hazards <br /> ( { • General Safety Hazards <br /> I, <br /> Each of the foregoing hazards is discussed below . Even though the concentrations of <br /> petroleum hydrocarbons, including benzene, toluene, ethylbenzene and xylenes, are <br /> expected to be low, EI personnel will plan for their presence in the working environment <br /> I� during all phases of work on this site. <br /> _ 3. 1 Chemical Hazards <br /> Toxic substances can enter the body through inhalation, ingestion or skin absorption. <br /> They can enter by more than one route, cause damage at the point of entry and cause <br /> organ damage after being metabolized. The most likely toxic substances to be <br /> encountered at the Cal-Tank site are benzene, toluene, ethylbenzene and xylenes. The <br /> following table lists the contaminants and their respective permissible exposure levels <br /> (PEL) . Exposures at Cal-Tank for the projected work are not expected to exceed the <br /> I <br /> PELs. <br /> i <br /> EXPOSURE LIMIT <br /> J <br /> COMPOUND PEL EL ED CL TWA STEL IDLH OTHER <br /> F11 <br /> (mg/kg3) (mg/kg3) (mglkg3) (mg/kg3) (mg/kg3) (mg/kg3)Benzene 1 NKV NKV NKV 10 5 NKV Skin, <br /> Car <br /> Toluene 100 200 10 min. 300 100 150 2000 Skin <br /> per 8 hrs. <br /> Ethylbenzene 100 NKV NKV NKV 300 500 INKV I --- <br /> LI Xylenes 100 200 30 min. 300 100 150 1000 <br /> per 8 hrs. <br /> Gasoline 300 NKV NKV NKV 300 500 INKV --- <br /> i`. Environeering, Inc. Project No, OMN,0 i Page 3 <br /> I <br /> i <br />