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SITE SAFETY PIAN <br /> OCTOBER 1, 1990 <br /> FACILITY BACKGROUND <br /> THE SITE IS LOCATED AT 6425 PACIFIC AVENUE ON THE CORNER OF <br /> PACIFIC AND DOUGLAS AVENUE, STOCKTON CALIFORliIA. THIS SITE IS AN <br /> EXXON SERVICE STATION WHICH WAS FORMERLY REAL SITE $603- <br /> IN ORDER TO ASSESS AND DOCUMENT THIS SITE WEGE WAS CONTRACTED TO <br /> INSTALL PROBES TO MONITOR THE WATER AFTER RUNNING IT THROUGH A RSI <br /> TREATMENT UNIT. <br /> KSY pBRBOMM AND RESPONSIBILITIES <br /> HR. JACK NAPPER, REGISTERED GEOLOGIST, WILL ACT AS PROJECT <br /> SUPERVISOR. MR. MAPPER HAS COMPLETED NUMEROUS P"nROLEUM <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 TO 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 /> JOB EAZARD AbALYM <br /> ALTHOUGH NO HAZARDOUS LEVELS OF FUEL HYDROCARBON VAPORS ARE <br /> EXPECTED, MINOR AMOUNTS OF GA30LINE 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 COMMONLY KNOWN. THE LOWER EXPLOSION <br /> LIMIT (LEL) OF GASOLINE VAPOR IS 1.3 PERCENT IN AIR. IF THE <br /> CONCENTRATION OF GASOLINE VAPOR IN AIR EXCEEDS 1.3 PERCENT (13,000 <br /> PARTS PER V.ILLION) AND SUFFICIENT QUANTITIES OF OXYGEN ARE <br /> PRESENT, THEN THE INTRODUCTION OF SUFFICIENT HEAT, SPARK, OR FLI'.ME <br /> WILL RESUT..T IN AN EXPLOSION. <br /> A LESSER KNOWN HEALTH HAZARD RESULTING FROM EXPOSURE TO GASOLINX <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 MINOR EXPOSURES INCLti.DE BENZBETE, TOLUENE, meta. <br /> para, and ortho HYLEM39, RTEYL BIM <br /> , AND TSI•RAS'rSYI. LiBIU. <br /> TYPICAL PERCENTAGES (BY WEIGHT) OF THESE CONSTITUENTS IN GASOLINE <br /> ARE: BENZENE - 0.12-3.50%, TOLUENE - 2.73-21.80%, meta XYLENE - <br /> 1.77-3.87%, para XYLENE - 0.77-1.58%, ortho XYLENE - C.68-2.686$, <br /> AND ETHYL BENZENE - 0.36-2.86%. TYPICAL PERCENTAGE Off' TETRAEML <br /> LEAD IS NOT AVAILABLE." <br />