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v:s' .:'-'� _ -,:rte..,. -s're •tyr ,3.`e. u-a,- z, - _ -k.r-"-^ w-F.,++- _•,s rte.. c —�a �,,,t�r,- * .jj: ".:; ''�-:r• .. -r- ..a„a :., `r"' - <br /> s`9tr r.• __i!r% "�'�. ''Ar" ss..,w'� �. .ate <br /> � <br /> s <br /> 7 <br /> dft <br /> 1 <br /> Site Safety Plan May 2, 1991 <br /> ARCO Station No. 2168, Stockton, California AGS 31009-1S <br /> f» <br /> TABLE 1 <br /> EXPOSURE LIMITS OF ANTICIPATED CHEMICAL CONTAMINANTS <br /> ARICO Service Station No. 2168 <br /> 441 West Charter Way <br /> Stockton, California <br /> (page 2 of 2) <br /> Contaminant PEL EL ED CL TWA STEL <br /> +' PEL - permissible exposure limit: 8 hour, time-weighted <br /> average, California Occupational Safety and Health <br /> Administraticn Standard (CAL-OSHA) <br /> EL - excursion limit: maximum concentration of an <br /> airborne contaminant to which an employee may be <br /> exposed without regard to duration provided the <br /> 8 hour time-weighted average for PEL is not <br /> exceeded (CAL-OSHA) <br /> ED - excursion duration: maximum time period permitted <br /> for an exposure above the excursion limit but not <br /> exceeding the ceiling limit (CAL-OSHA) <br /> CL - ceiling limit: maximum concentration of airborne <br /> contaminant which employees may be exposed <br /> permitted (CAL-OSHA) <br /> TWA - time-weighted average: 8 hour, ( (same as threshold <br /> limit value (TLV) ] , American Conference of <br /> Governmental Industrial Hygienists (ACGIH) <br /> STEL short-term exposure limit: 15 minute time weighted <br /> average (ACGIH) <br /> - <br /> milli 7rams of substance per cubic meter cf air <br /> (mg/m ) <br /> * - parts of gas or vapor per million parts air <br /> (care] -- substance identified as a suspected or confirmed <br /> _Qrcinogen !I <br /> �•� (skin] - substance may be absorbed into the bloodstream <br /> through the skin, mucous membranes, or eyes <br /> 1 - Federal OSHA benzene limits given for PEL and STEL; <br /> STEL has a 50 minute duration limit <br /> 2 - Federal OSHA gasoline limit given for PEL; STEL is <br /> the same for FED-OSHA and ACGIH <br /> 3 - Federal OSHA propane limit given for PEL <br /> r <br /> +.r <br /> 4 <br /> A,rralied GeoSyStems _ - <br />