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4. <br /> W99 <br /> -,r-s- <br /> mom <br /> ro nom. <br /> Site Safety Plan May 2, 1991 <br /> ARCO Station No, 2168, Stockton. California AGS 31009-IS <br /> FLAZARD ASSESSMENT <br /> The major contaminants expected to be encountered on the project are gasoline and its <br /> hydro'caibon constituents and propane. The anticipated contaminants and their exposure <br /> standaeds are listed in Table 1. It is not anticipated that the potential levels of exposure will <br /> reach the permissible exposure firnits(PEL)or threshold limit values(TLV). Inhalation and <br /> dermal contact are the potential exposure pathways. Protective clothing will be mandatory <br /> for field personnel specified in this Plan. In addition, respiratory protective devices are <br /> required to be worn by each person onsite or to be within easy reach should irritating odors <br /> be detected or irritation of the respiratory tract occur. <br /> TABLE 1 <br /> EXPOSURE LIMITS OF ANTICIPATED CHEMICAL CONTAMINANTS <br /> ARCO Service Station No. 2168 <br /> 441 West Charter Way <br /> Stockton, California <br /> (page 1 of 2) <br /> Contaminant PEL EL ED CL TWA STEL <br /> Benzonei [skin] :L* --- ------- --- 10* 5* <br /> & [carc] <br /> Ethylbenzene 100* --- ------- --- 100* 125* <br /> Gasoline' 300* --- ------- --- 300* 500* <br /> Toluene [skin] 100* 200* 10 min per 500* 100* 150* <br /> 8 hrs <br /> Xylene (o,m, 100* 200* 30 min per 300* 100* 150* <br /> & p isomers) 8 hrs <br /> [skin] <br /> Propane3 1,000* --- ------- --- 1,000* --- <br /> See notes on page 2 of 2. <br /> 3 <br /> WAWA <br />