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* r California Regional Water Quality ontrol Board Central Valley Region Robert Schneider,Chair Winston H.Hickox Gray Davis Secretary for Sacramento Main Office Governor Environmental Internet Address: http://www.swrcb.ca.gov/rwgcb5 Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 Phone(916)255-3000•FAX(916)255-3015 26 March 2001 Mr. Kevin Basso General Manager Forward Inc. 1145 West Charger Way Stockton, CA 95206 LINER PERFORMANCE APPRAISAL,FORWARD AND AUSTIN ROAD LANDFILLS, SAN JOAQUIN COUNTY (Case No. 2209 & 2148) The Central Valley Regional Water Quality Control Board adopted Resolution 5-00-213 requesting the State Water Resources Control Board(State Board) evaluate the adequacy of the prescriptive design requirements for landfill waste containment systems to meet the performance standards of Title 27. On 9 November 2000, we received a response from State Board(Attached) stating that when evaluating the performance standard "The RWQCB must consider all relevant design-, site-, and operation-specific factors in establishing the appropriate liner and final cover design for a given landfill. " Forward Landfill is proposing the construction of a Class 11 Waste Management Unit. The performance standards for a Class H Waste Management Unit are given in Section 20310(a) of Title 27. All Class II facilities shall be designed and constructed to prevent migration of wastes from the Units to adjacent geologic materials, groundwater, or surface water during disposal operations closure, and the post closure maintenance period. - - - To satisfy this requirement, staff is requesting that Forward provide a demonstration that any future waste containment units constructed at your facility will fulfill the performance standards. This demonstration must include all relevant factors such as design, site characteristics, hydrogeology, landfill operation and water balance. The demonstration should also evaluate the performance of the prescriptive liner system design in protecting groundwater from degradation at your site, as well as an economic analysis that supports installing your engineered alternative. Staff understands that Forward Inc. is in the process of completing a design report for a proposed new Waste Management Unit at Forward Landfill in conformance with existing Waste Discharge Requirements 97-141. Late notice of a requirement for a liner performance appraisal may prove to be a problem. Therefore, staff requests that Forward provide either the requested liner performance appraisal or alternatively a demonstration that completing such a performance appraisal at this time will be unreasonably burdensome to your company. Liner performance appraisals will likely be required for any future Waste Management Units. California Environmental Protection Agency 01 Recycled Paper The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. For a list of simple ways you can reduce demand atilt 61)our energy costs,see our Web-site at http://www.swrcb.ca.gov/rwgcb5