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i <br /> SITE SAFETY PLAN <br /> OCTOBER 5, 1990 <br /> FACILITY BACKf <br /> THE SITE IS LOCATED AT 1418 N. EL DORADO STREET ON THE CORNER OF <br /> 4 EL DORADO AND HARDING WAY, STOCKTON CALIFORNIA. THIS BITE IS A <br /> DIRT LOT WITH BUILDING WHICH WAS FORMERLY REAGAL STATION 8604• <br /> t IN ORDER TO ASSESS AND DOCUMENT THIS SITE WEGE WAS CONTRACTED TO <br /> INSTALL PROBES TO MONITOR THE WATER AND VAPOR EXTRACTION WELLS. <br /> KSY pmeovNEL Mw RESPONSIBILITINS <br /> ¢ MR. JACK NAPPER, REGISTERED GEOLOGIST, WILL ACT AS PROJECT <br /> SUPERVISOR. MR. NAPPER HAS COMPLETED NUMEROUS PETROLEUM <br /> CONTAMINATION ANALYSES THROUGHOUT THE CENTRAL VALLEY AND NORTHERN <br /> CALIFORNIA. GEORGE CONVERSE, PROJECT MANAGER, WILL DIRECT FIELD <br /> CHARACTERIZATION AND SAMPLING ACTIVITIES. MR. CONVERSE WILL ACT <br /> AS SITE SAFETY OFFICER. MR. CONVERSE REPORTS DIRECTLY T4 MR. <br /> NAPPER, THEREBY GIVING MR. NAPPER FULL AUTHORITY TO SUPERVISE <br /> HEALTH AND SAFETY OPERATIONS. MR. NAPPER CAN BE CONTACTED 24 <br /> HOURS PER DAY AT (916) 662-4541. MR. CONVERSE CAN BE CONTACTED AT <br /> SITE DURING WORKING HOURS. <br /> .TOB HASAMD CLYSES <br /> ALTHOUGH NO HAZARDOUS LEVELS OF FUEL HYDROCARBON VAPORS ARE <br /> EXPECTED, MINOR AMOUNTS OF GASOLINE HAD BEEN DETECTED AT THIS <br /> SITE. <br /> GASOLINE AND ITS CONSTITUENTS POSE HEALTH HAZARDS IN TWO MAJOR <br /> CLASSIFICATIONS: EXPLOSIVITY AND TOXICITY. THE EXTREME <br /> FLAMMABILITY OF GASOLINE IS CONMONLYKNOOWN' `E LOWER EXPF STYE <br /> THE <br /> (LEL) OF GASOLINE VAPOR IS 1.3 PERCENT IN AIR* <br /> CONCENTRATION OF GASOLINE VAPOR IN AIR EXCEEDS 1.3 PERCENT (13,000 <br /> PARTS PER MILLION) AND SUFFICIENT QUANTITIES OF OXYGEN ARE - - <br /> PRESENT, THEN THE INTRODUCTION OF SUFFICIENT HEAT, SPARK, OR FLAME <br /> WILL RESULT IN AN EXPLOSION. <br /> A LESSER KNOWN HEALTH HAZARD RESULTING FROM EXPOSURE TO GASOLINE <br /> IS TOXICITY. SEVERAL COMMON CONSTITUENTS OF GASOLINE HAVE BEEN <br /> LINKED TO VARIOUS HEALTH PROBLEMS. THE CONSTITUENTS OF GASOLINE <br /> THAT HAVE BEEN SHOWN TO CAUSE SERIOUS HEALTH PROBLEMS RESULTING <br /> FROM RELATIVELY MINOItiEXPOSURES INCLUDE B]ENSWNs , meta. <br /> para, and ortho IYLSNMS, MTSYI. BSMSMMM, AND TSL L - <br /> TYPICAL PERCENTAGES (AY WEIGHT) OF THESE CONSTITUENTS IN GASOLINE <br /> ARE: BENZENE - 0.12-3.50%, TOLUENE - 2.73-21,80%. meta XYLENE - <br /> 1.77-3.876, para XYLENE - 0.77-1.58%, ortho XYLENE - 0.68-2.686%, <br /> AND ETHYL BENZENE - 0.36-2,86%, TYPICAL PERCENTAGE OF TETRAETHYL <br /> LEAD I8 NOT AVAILABLE. <br />