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STATE OF CALIFORNIA-Environmental Pro&Agency • PETE WILSON Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD , <br /> CENTRAL VALLEY REGION I. FirAI-TF1 <br /> 3443 Routier Road, Suite A <br /> Sacramento, CA 95827-3098 <br /> PHONE: (916) 255-3000 t I,•.� I - 01 I : Q9 <br /> FAX: (916) 255-3015 <br /> 10 August 1994 CERTIFIED MAIL <br /> P 945 288 129 <br /> Mr. Paul Verma <br /> City of Tracy <br /> Department of Public Works <br /> 520 West Tracy Boulevard <br /> Tracy CA 95376 <br /> TRANSMITTAL OF ADOPTED WASTE DISCHARGE REQUIREMENTS FOR TRACY LAND <br /> TREATMENT FACILITY, SAN JOAQUIN COUNTY <br /> Enclosed is a copy of Order No. 94-216, as adopted by the California Regional Water Quality <br /> Control Board at its 5 August 1994 meeting. <br /> The adopted Order includes the changes that were made in response to the teleconference on 14 July <br /> between Regional Board staff, you, and City of Tracy consultants. <br /> Order No. 94-216 requires the City of Tracy to dispose of all soils at the treatment facility in a <br /> manner that does not pose a threat to water quality. Treated soils may be disposed of as inert <br /> wastes if they meet the criteria in Discharge Specification B.4. The Order requires bioremediation <br /> of soils that may pose a threat to water quality, and permits reuse of soils in specified City projects <br /> that involve encapsulation. You have agreed (Findings 11-13) to inform us before the soils are <br /> removed for reuse, to submit evidence of the suitability of ground water and soils conditions at the <br /> receiving sites, and to provide a workplan and further information showing effectiveness of any <br /> proposed bioremedial treatment. <br /> During the teleconference, we discussed analytical methods to determine potential threat to water <br /> quality posed by the soils. We stated that USEPA Methods 3550/8015 for diesel/kerosene, USEPA <br /> Method 7421 for lead, or USEPA Methods 8020, 5030/8015 or 8260 for BTXE, gasoline, and TPH <br /> were acceptable. This was also stated in our letter to you dated 20 June 1994. Analytical methods <br /> also are specified in the Monitoring and Reportiong Program 94-216. Please do not dispose of any <br /> soils until you can show, with analyses, that they will not pose a threat to water quality under the <br /> conditions where they will be deposited. <br /> If we can answer any questions, please contact me at (916) 255-3140 or Gail Wiggett at (916)-255- <br /> 3119. <br /> �VILLIAM�SHALL <br /> Chief, Waste Discharge to Land Unit <br /> cc: vEd Padilla, San Joaquin County Public Health Department, Stockton <br /> John Lynch, Wright Environmental <br />