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yse�k. si y r S <br /> Y _ c�1 _' �Yd <br /> i <br /> a <br /> u <br /> Site Safety Plan December 17, 1990 <br /> ARCO Station No. 548, Stockton, California AGS 30004-3S <br /> q <br /> TABLE 1 <br /> EXPOSURE LIMITS OF ANTICIPATED CHEMICAL CONTAMINANTS <br /> ARCO Service Station No. 548 <br /> 1612 Hammer Lane <br /> Stockton, California <br /> (page 2 of 2) <br /> Contaminant PEL EL ED CL Th*A STEL <br /> PEL .» permissible exposure limit: 8 hour, time-weighted <br /> average, California Occupational Safety and Health <br /> Administration 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 exposura above the excursion limit but not <br /> exceeding the ceiiing limit (CAL-OSHA) <br /> CL - ceiiing.limit: maximum coneantration of airborne <br /> i contaminant which employees may he exposed <br /> permitted (CAL-OSHA) <br /> TWA - time-weighted average: 8 hour, [.(same as threshold <br /> limit valueTLV <br /> ( ) ], American Conferenoe .o1;` <br /> Governmental Industrial Hygienists (AC -Iv;' <br /> s6� STEL short-term exposure limit: 15 minute time-weighted <br /> average (ACGIH) <br /> # - milligrams of substance per cubic meter of .air <br /> (m9/m ) <br /> * parts of gas or vapor per million parts air <br /> [care] - substance identified as a suspected or confirmed <br /> carcinogen <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 /> .41 c <br /> AVP/red GOOSYSMIHS <br />