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a California Regional Water Quality Control Board Winston H. Hickox Secretaryfor Environmental Protection 21 August 2001 Mr. R. M. Jones Woodbridge Partners Inc. 639 East Lockeford St. Lodi, CA 95240 Central Valley Region Robert Schneider, Chair Sacramento Main Office Internet Address: http://www.swrcb.ca.gov/rwgcb5 3443 Routier Road, Suite A, Sacramento, California 95827-3003 Phone (916) 255-3000 • FAX (916) 255-3015 RFPO, N,5E TO CLOST/n�' PI ANFOR POND .2, ' t�TOtr FINE FOOD' r? CrLITY, - I n' JOA QUIN COUNTY (Case # 143 0) 0(!" Gray Davis Governor We have reviewed the proposed plan to close Pond 2 submitted on your behalf by Foothill Engineering on 25 July 2001. Thank you for your submitting the closure plan. Pond 2 is an abandoned, pre -Chapter 15, infiltration pond that has contributed to groundwater pollution. Elevated concentrations of salts remain in soil beneath the pond. The closure plan is part of the remediation effort to cleanup -polluted groundwater and is undertaken under the provisions of State Water Resources Control Board Resolution No. 92-49. We have the following comments concerning the plan: 1. We concur with the basic plan as presented. 2. Prior to starting construction, a demonstration must be submitted that the proposed closure will protect water quality by preventing leaching from soils beneath the pond. Staff cannot approve a closure plan for this site under the provisions of Resolution 92-49 without this demonstration. 3. Within 90 days of completion of closure construction, a closure report prepared by a professional engineer or geologist registered in the state of California must be submitted. The closure report at a minimum must include the following: a. Document the construction work that was done to close Pond 2, b. Document results of all compaction and infiltration tests and show that they meet or exceed design criteria, c. As -Built drawings for the pond area showing the final drainage pattern, d. Document that restrictions have been placed on the property deed that will preclude irrigated agriculture or development of water holding structures in the area of Pond 2. Please submit the demonstration addressed in item 2 above by 31 October 2001. Upon receipt of an acceptable demonstration staff will approve the closure plan. California Environmental Protection Agency tr pe Recycled Paper The energy challenge facing Califomia is real. livery Californian needs to take immediate action to reduce energy consumption. For a list of simple ways you can reduce demand and cut your energy costs. sere our Web -site at http://www.swrcb.ca.gov/rwgcb5