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October 19, 1992 Certified Mail Mr. Ed Padilla Public Health Services San Joaquin County P.O. Box 2009 Stockton, California 95201 Subject: City of Stockton - Austin Road Landfill Condensate Options Dear Ed: At the City of Stockton's request, I am responding to one of the issues raised in Mr. Fred Kaufman's letter of June 3, 1992 to Mr. Michael Miller of the City of Stockton. Specifically, point number 2 of that letter requests a report describing the disposal options for the landfill gas condensate generated at the City of Stockton's Austin Road Landfill. In order to comply with the directive of not returning either plant or field condensate to the landfill, Pacific Energy must first redesign portions of its collection system to eliminate the need for in-line traps and leach lines while still preserving the ability to collect the otherwise vented landfill gas. This redesigning will be an ongoing exercise due to the fact that this is an operating landfill, and the collection system must be changed or moved periodically to accommodate the grading and filling operations. The most efficient option in this case is a system that uses pump -back traps and gravity to collect the condensate and pump it to a central storage/processing area. The collected condensate will be stored in a 10,000 -gallon holding tank, approximately one month's worth of storage. This will allow us to store the condensate during rainy periods or during a mechanical malfunction that would prohibit us from disposing of the condensate for a period of time. We anticipate handling the condensate in one or more of the following ways: PACIFIC E N G Y 6055-le hone East (213) 725-1139 Washington Boulevard, Commerce, RECEIVEn 11- California 90040 OCT 2 2 1992 A SUBSIDIARY OF PACIFIC 6, / HEALTH ,ry Facsimile ENWRONMENTAL f_4LTH ce�i ENTERPRISES (213) 725-8772 PERMIT/SERVIM October 19, 1992 Certified Mail Mr. Ed Padilla Public Health Services San Joaquin County P.O. Box 2009 Stockton, California 95201 Subject: City of Stockton - Austin Road Landfill Condensate Options Dear Ed: At the City of Stockton's request, I am responding to one of the issues raised in Mr. Fred Kaufman's letter of June 3, 1992 to Mr. Michael Miller of the City of Stockton. Specifically, point number 2 of that letter requests a report describing the disposal options for the landfill gas condensate generated at the City of Stockton's Austin Road Landfill. In order to comply with the directive of not returning either plant or field condensate to the landfill, Pacific Energy must first redesign portions of its collection system to eliminate the need for in-line traps and leach lines while still preserving the ability to collect the otherwise vented landfill gas. This redesigning will be an ongoing exercise due to the fact that this is an operating landfill, and the collection system must be changed or moved periodically to accommodate the grading and filling operations. The most efficient option in this case is a system that uses pump -back traps and gravity to collect the condensate and pump it to a central storage/processing area. The collected condensate will be stored in a 10,000 -gallon holding tank, approximately one month's worth of storage. This will allow us to store the condensate during rainy periods or during a mechanical malfunction that would prohibit us from disposing of the condensate for a period of time. We anticipate handling the condensate in one or more of the following ways: