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��Clayton <br /> GROUP SERVICES <br /> 41 CHEMICAL HAZARDS (mg/kg equals ppm) <br /> Chemical Range of Conc in(A)jr, Mode of Limits (PEI,,/TLV) IDLH Level of <br /> (W)ater, (S)oil Intake Conceln(HIM/L) <br /> 1 Total Extractable S-3,800 mg/kg (diesel) Ing 100 ppm(as 3,400 ppm <br /> Petroleum W-4,300 ug/l (diesel) stoddaid solvent) <br /> Hydrocarbons <br /> 2 Total Volatile S-nd(gasoline) Inh 350 mg/m3 20,000 mg/m3 <br /> Petroleum W-4 5 ug/l(gasoline) (as stoddaid (as stoddard <br /> Hydrocarbons solvent) solvent <br /> 3 Benzene S -nd Inh,Ing, Con, 1 ppm 500 ppm <br /> W- 80 ug/1 Abs NIOSH <br /> 4 Xylenes S - 1 6 mg/kg Inh, Ing, Con 100 ppm 400 ppm <br /> GW-nd <br />' 5 MTBE S -nd not listed not listed not listed <br /> W-3,200 u /1 NIOSH NIOSH NIOSH <br /> b Lead(EPA 7420) S- 35 mg/kg Inh,Ing, Con 050 mg/m3 100 mg/m3 (as Pb) <br /> W-07u /l <br /> Notes Inh=lnhalation Ing=Ingestion Con=Skin Contact Abs=Skin Absorption ppm=parts per million <br /> mg/m3=milhgrams per cubic meter <br /> Identify locations where the contaminants are of greatest concern on the site: <br /> As noted, fuel contamination appears to be confined to the immediate area of the tank <br /> excavation, with limited migration into the surrounding soil <br /> Comments Any stained or odorous soil should be considered contaminated <br /> References used: <br /> XX NIOSH*/OSHA XX ACG1H (TLV) SAX <br /> PATTY _ OHS <br /> *(Niosh August 2001) <br /> Describe other <br /> North American Emergency Response Guidebook 2001 <br /> 42 PHYSICAL HAZARDS <br /> Physical hazards are associated with the operation of heavy equipment, as well as contact <br /> with underground utilities The location of underground piping and wiring if applicable <br /> shall be reviewed prior to fieldwork If heavy equipment is in operation, take normal <br /> precautions to maintain distance and protect hearing and vision <br /> A-5 <br />' \lLOSA_NWOIVDATA\Ermt1Prg1P022631Health&Safety Plan clot <br />