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2" TO 12" AVA RBLE <br />DIVERSIFIED WELL PRODUCTS, INC. <br />P.O.BOX 3495 <br />FULLERTON, CALIFORNIA 92634 <br />TELEPHONE: 714/632-9334 MR. KURT GOSS <br />4. 2" TO 12" AVAILABLE <br />HANDEX <br />703 GENESI DRIVE <br />MORGANVILLE, NEW JERSEY 07751 <br />TELEPHONE: 201/536-8500 MR. GREG REUTER <br />2" TO 8" AVAILABLE <br />JET STREAM PLASTICS <br />SILOAM SPRINGS, ARKANSAS 72761 <br />TELEPHONE: 501/524-5151 <br />NOTE: IN ORDERING PIPE, REMEMBER TO ORDER POLYVINYL CHLORIDE (PVC) PIPE. BE CAREFUL THAT <br />A SUPPLIER DOES NOT SUBSTITUTE ACRYLONITRILE -BUTADIENE -STYRENE (ABS), WHICH TENDS <br />TO BECOME BRITTLE WITH WEATHERING. SELECTION OF THE CORRECT WELL CASING AND <br />RELATED PRODUCTS IS OF PARAMOUNT IMPORTANCE. MISAPPLICATION AND IMPROPER <br />SELECTION CAN BE THE SOURCE OF POTENTIAL WELL FAILURE. <br />IT IS RECOMMENDED THAT ALL PVC PIPE ORDERS BE SCHEDULE 40 PVC. <br />2. SUBMERGED PUMP AND MISCELLANEOUS PRODUCT RECOVERY EQUIPMENT. <br />A. THE EQUIPMENT SELECTED FOR A PRODUCT RECOVERY OPERATION WILL DEPEND UPON SPECIFIC <br />CONDITIONS AT THE JOB SITE. THE HEAD OFFICE HYDROGEOLOGIST WILL SPECIFY THE <br />EQUIPMENT TO BE USED FOR EACH SITUATION. <br />1. SHOULD A PRODUCT RECOVERY BE NEEDED THE DESIGN WILL VARY DEPENDING UPON THE SPECIFIC <br />SITE CONDITIONS. IN SOME CASES, WHERE PRODUCT MOVEMENT IS CONFINED AND THE WATER TABLE <br />IS RELATIVELY SHALLOW, A TRENCH MIGHT BE USED TO INTERCEPT AND COLLECT THE PRODUCT. IN <br />OTHER SITUATIONS, WHERE PRODUCT MIGRATION IS WIDESPREAD AND/OR THE WATER TABLE IS <br />RELATIVELY DEEP, THE "CONE OF DEPRESSION" RECOVERY WELL APPROACH MAY BE MOST EFFECTIVE. <br />(SEE RECOVERY WELL DETAIL ATTACHED.) EXACT METHOD OF RECOVERY WILL BE APPROVED BY <br />SHELL OIL COMPANY, HEAD OFFICE MARKETING ENGINEERING, ENVIRONMENTAL. <br />IN A LIMITED NUMBER OF SITUATIONS, THE OBSERVATION WELL MAY BE USED EFFECTIVELY AS A <br />PRODUCT RECOVERY WELL. THE FOLLOWING CONDITIONS MUST EXIST: <br />A. PRODUCT DEPTH IS NOT BEYOND THE LIFTING CAPABILITY OF AN APPROPRIATE PUMP. <br />B. PRODUCT LOST IS MINIMAL, CONCENTRATED IN THE AREA OF THE OBSERVATION WELLS, AND <br />OF THICKNESS WHICH CAN BE SKIMMED OFF OF THE WATER TABLE. <br />C. PRODUCT IS CONTAINED IN AREA BY SOIL CHARACTERISTICS (CLAY, ROCK, ETC.) AND HAS <br />MINIMAL MIGRATION. <br />HAZARDOUS MATERIAL REMOVAL <br />THE WATER/GASOLINE MIXTURE WILL BE REMOVED BY A LICENSED INDUSTRIAL WASTE HAULER (SUCH AS I.T. <br />CORPORATION OR ACE INDUSTRIAL CLEANING INC.) AND RETURNED TO SHELL OIL COMPANY, MARTINEZ <br />MANUFACTURING COMPLEX, MARTINEZ, CA 94553 FOR REPROCESSING. <br />13 <br />