ARCHIVED REPORTS XR0006569 - Laserfiche WebLink

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s ' i SITE SAFETY PLAN F OCTOBER 5, „ 1990 iE FACILITY BACKGROUND ? ' IE THE SITE IS LOCATED AT 6425 PACIFIC AVENUE ON THE CORNER OF PACIFIC AVENUE AND DOUGLAS ROAD, STOCKTON CALIFORNIA. THIS SITE i IS AN ACTIVE EXXON SERVICE STATION WITH A FENCED IN TREATMENT AREA ATTACHED TO THE STORE, NORTH AND WEST OF THE STORE, WAS FORMERLY REAGAL STATION #604. GASOLINE RANGE' HYDROCARBONS ARE FOUND BENEATH THE SITE IN THE SOIL AND GROUND WATER. ALSO CHLORINATED SOLVENTS; TETRACHLOROETHYLENE (PCE') , TRICHLOROETHYLENE (TCE) AND CIS 1, 1,—DICHLOROETHANE (DCE) ARE FOUND IN THE GROUND WATER NORTHWEST OF THE SITE AT LINCOLN CENTER. IN ORDER TO ASSESS AND REMEDIATE :THIS SITE WEGE HAS INSTALLED € GROUND WATER MONITORING WELLS AND MANIFOLDED SELECTED WELLS TO THE TREATMENT SYSTEM (VAPOR EXTRACTION :FOR SOIL AND GROUND WATER WITH s. THERMAL OXIDIZING DESTRUCTION) . i WEGE PERFORMS QUARTERLY GROUND WATER SAMPLING ALONG WITH SITE VISITS TO ADJUST, SAMPLE AND DOCUMENT THE REMEDIATION THAT IS ONGOING. KEY PERSONNEL AND RESPONSIBILITIES MR. JACK NAPPER, REGISTERED GEOLOGIST, WILL ACT AS PROJECT SUPERVISOR. MR. NAPPER HAS COMPLETED NUMEROUS PETROLEUM CONTAMINATION ANALYSES THROUGHOUT THE CENTRAL VALLEY AND NORTHERN CALIFORNIA. GEORGE CONVERSE, PROJECT MANAGER, WILL DIRECT FIELD CHARACTERIZATION AND SAMPLING ACTIVITIES. MR. CONVERSE WILL ACT AS SITE SAFETY OFFICER. MR. CONVERSE REPORTS DIRECTLY TO MR. E NAPPER, THEREBY GIVING MR. NAPPER FULL AUTHORITY TO SUPERVISE , HEALTH AND SAFETY OPERATIONS. MR. NAPPER CAN BE CONTACTED 24 HOURS PER DAY AT (916) 662•-4541. MR. CONVERSE .CAN BE CONTACTED AT SITE DURING WORKING HOURS . 4 JOB HAZARD ANALYSES ” ALTHOUGH NO HAZARDOUS LEVELS OF �� FUEL HYDROCARBON VAPORS ARE EXPECTED, GASOLINE RANGE HYDROCARBONS HAVE BEEN DETECTED IN THE SOIL AND GROUND WATER AT THIS SITE. A NEARBY SITE INVESTIGATION ' (LINCOLN CENTER) HAS FOUND TETRACHLOROETHYLENE (PCE) , TRICHLOROETHYLENE (TCE) AND CIS-1;2—DICHLOROETHANE (DCE) IN THE GROUND WATER BENEATH LINCOLN CENTER. GASOLINE AND ITS CONSTITUENTS ALONG WITH PCE, TCE AND DCE POSE HEALTH HAZARDS IN TWO MAJOR CLASSIFICATIONS: EXPLOSIVITY AND TOXICITY. THE EXTREME FLAMMABILITY OF GASOLINE IS COMMONLY KNOWN. THE LOWER EXPLOSION LIMIT (LEL) OF GASOLINE VAPOR IS 1. 3 PERCENT IN AIR. IF THE CONCENTRATION OF GASOLINE VAPOR IN AIR EXCEEDS 1.3 PERCENT ( 13,000 PARTS PER MILLION) AND SUFFICIENT QUANTITIES OF F OXYGEN ARE PRESENT, THEN THE INTRODUCTION OF SUFFICIENT HEAT, �. SPARK, OR FLAME WILL RESULT IN AN EXPLOSION. DCE EXPLOSIVE LIMITS 4 t