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SITE SAFETY PLAN <br />• MARCH, 1992 <br /> FACILITY BACKGROUND <br /> THE SITE IS LOCATED AT 1448 N. EL DORADO STREET ON THE CORNER OF <br /> EL DORADO ST. AND HARDING AVE. , STOCKTON CALIFORNIA. THIS SITE IS <br /> A PARTIALLY DEMOLISHED FORMER REGAL SERVICE STATION AND CAROLS <br /> EXPORTS , ENTIRELY FENCED WITH A FENCED IN TREATMENT AREA ATTACHED <br /> TO THE REMAINING BUILDING, NORTH OF THE STORE, WAS FORMERLY REAGAL <br /> STATION #604 . GASOLINE RANGE HYDROCARBONS ARE FOUND BENEATH THE <br /> SITE IN THE SOIL AND GROUND WATER. <br /> IN ORDER TO ASSESS AND REMEDIATE THIS SITE WEGE HAS INSTALLED <br /> GROUND WATER MONITORING WELLS AND VAPOR EXTRACTION WELLS , <br /> MANIFOLDED SELECTED WELLS TO THE TREATMENT SYSTEM (VAPOR <br /> EXTRACTION FOR SOIL AND GROUND WATER WITH CARBON ABSORBTION <br /> 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 /> THE PRESENT ACTIVITIES AT THIS SITE INCLUDE INSTALLING AN OFF SITE <br /> GROUND WATER MONITORING WELL (MW-7 ) AT 1428 N. EL DORADO STREET , <br /> PERFORM 3 VERIFICATION SAMPLE BORINGS ; ONE NEAR EXTRACTION WELL P- <br /> 1 , ON NEAR EXTRACTION WELL EX AND ONE NEAR EXTRACTION WELL P3- <br /> SWARM-A. IF THESE BORINGS FIELD SCREEN CLEAN THEN THE SEVEN <br /> VADOSE VAPOR EXTRACTION WELLS WILL BE DESTROYED BY OVERDRILLING <br /> AND GROUT SEAL. <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 /> 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 HAZARD ANALYSES <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. <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 />