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MA <br /> September 15, 1993 Working To Restore Nature <br /> Rutz Grocery, 4491 W Durham Ferry Road, Tracy, California <br /> testing of respiratory protective devices will be conducted as part of the safety orientation <br /> meeting when the use of a respirator may be required <br /> HAZARD ASSESSMENT <br /> The major contaminants expected to be encountered on the project are gasoline and its <br /> hydrocarbon constituents The anticipated contaminants and their exposure standards are <br /> listed in Table I It is not anticipated that the potential levels of exposure will reach the <br /> permissible exposure limits (PEI.) 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 In 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 /> TABLE 1 <br /> EXPOSURE LIMITS OF ANTICIPATED CHEMICAL CONTAMINANTS <br /> Ruiz Grocery <br /> 4491 West Durharm Ferry Road <br /> Tracy, California <br /> (page 1 of 2) <br /> Contaminant PEL EL ED CL TWA STEL <br /> Benzenel [skin] 1* --_ ------- --- 10* 5* <br /> & [carc] <br /> Ethylbenzene 100* --- ------- --- 100* 125* <br /> Gasoline2 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 /> See notes on page 2 of 2 . <br /> 12301s-i 3 <br />