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Site Safay Plan hlry 2.7, 1990 <br /> ARCO Stado»No.6100, Tracy, Califon a <br /> HAZARD ASSESSMENT <br /> The major contaminants expected to be encountered on the project are gasoline and its <br /> hydrocarbon constituents. 17re anticipated contaminants and their exposure standards are <br /> listed in Table 1. It is riot anticipated that the potential levels of exposure will reach the <br /> _ permissible exposure limits (PEL) or threshold limit values (TLV). Inhalation and dermal <br /> contact are the potential exposure pathways. Protective clothing will be mandatory for field <br /> personnel specified in this Plan. I-n addition, respiratory protective devices are required to � <br /> be worn by each person,onsite or to be within easy reach should irritating odors be detected <br /> or irritation of the respiratory tract occur, <br /> EXPOSURE LIMITS OF ANTICIPATED CHEMICAL CONTAMINANTS <br /> ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass Road <br /> Tracy, California <br /> (page 1 of 2) <br /> Contaminant PEL Ems. ED CL <br /> TWA STEL. ' <br /> { <br /> , <br /> } Benzene' [skin] 1 <br /> .� & [care] - -- - - - - -- - 10* 5* s <br /> $ r <br /> Ethylbenzene 100* - - - - . <br /> 100" 12S* <br /> t _ <br /> j Gasoline2 300' - -- - --- -- - 100* 500' s' <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 /> P See 1101:�x on page 2 of 2 <br /> _ � r <br /> 3 Doc#AR06767W.1.1 <br /> es , <br />