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SITE SAFETY PLAN <br /> ��. OCTOBER 5, 1990 <br /> FACILYTS 88CKGROUEID <br /> THE SITE 18 LOCATED AT 1448 N. EL DORADO STREET ON THE CORNER OF <br /> RL DORADO AND HARDING WAY, STOCKTON CALIFORNU. THIS SITE IS A <br /> r DIRT LOT WITH BUILDING WHICH WAS FORMERLY RFAC74L STATION 0604. <br /> IN ORDER TO ASSESS AND DOCUMENT THIS BITE WEGE WAS CONTRACTED TO <br /> INSTALL PROBES TO MONITOR THE WATER AND VAPOR EXTRACTION WELLS. <br /> MY PERSONNEL AND RBMPCVBIBILITIBB <br /> 11R. 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, VILL DIRECT FIELD <br /> CHARACTERIZATION AND SAMPLING ACTIVITIES. MR. CONVERSE WILL ACT <br /> AB 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 'CURING WORKING HOURS. <br /> JOB EMSAM A11ALTSES <br /> ALTHOUGH NO HAZARDOUS LEVELS OF FUEL HYDROCARBON VAPORS ARE <br /> ( EXPECTED, MINOR AMOUNTS OF GASOLINE HAD BEEN DETECTED AT THIS <br /> RITE. <br /> GASOLINE AND ITS CONSTITUENTS POSE HEALTH HAZARDS IN TWO MAJOR <br /> CLASSIFICATIONBt EXPLOSIVITY AND TOXICITY. THE EXTREME <br /> FLAMMABILITY OF GASOLINE 18 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 MILLION) AND SUFFICIENT QUANTITIES OF OXYGEN ARE <br /> s 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 $MALTS PROBLEMS RESULTING <br /> FROM RELATIVELY MINOR EXPOSURES INCLUDE BRMSEVE, °1 5, meta. <br /> Para, and Ortho XYi.XNW, BTHYL SENZENN, AND T LEAS. <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 /> 2.77-3.07%. Para XYLENE - 0.77-1.50%, ortho XYLENE - 0.68-2.686%, <br /> AND ETHYL SEN2ENE - 0.36-2.86%. TYPICAL PERCENTAGE OF TETRAETHYL <br /> LEAD 18 NOT AVAILABLE. <br /> # .r <br /> r <br />