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SITE SAFETY PLAN <br /> OCTOBER 5, 1990 <br /> FACILITY BACKGROUND <br /> THE SITE IS LOCATED AT 6425 PACIFIC AVENUE ON THE CORNER OF <br /> PACIFIC AVENUE AND DOUGLAS ROAD, STOCKTON CALIFORNIA. THIS SITE <br /> IS AN ACTIVE EXXON SERVICE STATION WITH A FENCED IN TREATMENT AREA <br /> ATTACHED TO THE STORE, NORTH AND WEST OF THE STORE, WAS FORMERLY <br /> REAGAL STATION #604 . GASOLINE RANGE HYDROCARBONS ARE FOUND <br /> BENEATH THE SITE IN THE SOIL AND GROUND WATER. ALSO CHLORINATED <br /> SOLVENTS; TETRACHLOROETHYLENE (PCE) , TRICHLOROETHYLENE (TCE) AND <br /> CIS 1, 1, -DICHLOROETHANE (DCE) ARE FOUND IN THE GROUND WATER <br /> NORTHWEST OF THE SITE AT LINCOLN CENTER. <br /> IN ORDER TO ASSESS AND REMEDIATE THIS SITE WEGE HAS INSTALLED <br /> GROUND WATER MONITORING WELLS AND MANIFOLDED SELECTED WELLS TO THE <br /> TREATMENT SYSTEM (VAPOR EXTRACTION FOR SOIL AND GROUND WATER WITH <br /> THERMAL OXIDIZING DESTRUCTION) . <br /> WEGE PERFORMS QUARTERLY GROUND WATER SAMPLING ALONG WITH SITE <br /> VISITS TO ADJUST, SAMPLE AND DOCUMENT THE REMEDIATION THAT IS <br /> ONGOING. <br /> KEY PERSONNEL AND RESPONSIBILITIES <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 /> A: 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 HAZARD ARALYSES <br /> ALTHOUGH NO HAZARDOUS LEVELS OF FUEL HYDROCARBON VAPORS ARE <br /> EXPECTED, GASOLINE RANGE HYDROCARBONS HAVE BEEN DETECTED IN THE <br /> SOIL AND GROUND WATER AT THIS SITE. A NEARBY SITE INVESTIGATION <br /> (LINCOLN CENTER) HAS FOUND TETRACHLOROETHYLENE (PCE ) , <br /> TRICHLOROETHYLENE (TCE) AND CIS-1,2-DICHILOROETHANE (DCE) IN THE <br /> GROUNID WATER BENEATH LINCOLN CENTER. <br /> GASOLINE AND ITS CONSTITUENTS ALONG WITH PCE, TCE AND DCE POSE <br /> HEALTH HAZARDS IN TWO MAJOR CLASSIFICATIONS: EXPLOSIVITY AND <br /> TOXICITY. THE EXTREME FLAMMABILITY OF GASOLINE IS COMMONLY KNOWN. <br /> THE LOWER EXPLOSION LIMIT (LEL) OF GASOLINE VAPOR IS 1 . 3 PERCENT <br /> IN AIR. IF THE CONCENTRATION OF GASOLINE VAPOR IN AIR EXCEEDS 1 . 3 <br /> PERCENT ( 13 , 000 PARTS PER MILLION) AND SUFFICIENT QUANTITIES OF <br /> OXYGEN ARE PRESENT, THEN THE INTRODUCTION OF SUFFICIENT HEAT, <br /> SPARK, OR FLAME WILL RESULT IN AN EXPLOSION. DCE EXPLOSIVE LIMITS <br />