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r <br /> 3164 Gold Camp Drive <br /> ct uite 200 <br /> ��. eta '33 N.011 11, All 7- 0 fancho Cordova,CA 95670 <br /> Environmental 916/638-2085 <br /> Consultants,Inc. FAX:916/638-8385 <br /> November 10, 1995 <br /> Mr. Ron Rowe <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber <br /> Stockton, California 95201 <br /> Subject: Ballast Water Disposal <br /> Unocal Service Station No. 5886 <br /> 2701 W. March Lane <br /> Stockton, California <br /> Delta Project No. D095-066 <br /> Dear Mr. Rowe: <br /> At the request of Unocal, Delta Environmental Consultants is providing San Joaquin County Public <br /> Health Services Environmental Health Division (SJCPHS-EHD) a copy of a Special Permit for <br /> Wastewater Discharge for Unocal Service Station No. 5886 located at 2701 W. March Lane in <br /> Stockton, California. This permit was obtained by Tait and Associates, Inc. (Tait) of Rancho <br /> Cordova, California for the discharge of ballast water stored at the above-referenced site. Analytical <br /> results from ballast water collected from the original tanks (and subsequently stored on-site in Baker <br /> Tanks) and ballast water currently in the new in-ground tanks were submitted by Tait to the <br /> Department of Municipal Utilities, City of Stockton for review. Based on the analytical results, the <br /> Department of Municipal Utilities has granted Unocal a special permit to dispose of the ballast water <br /> through the on-site sewer system. <br /> Ground water generated at the site from the tank pit has been disposed of by RUST Industrial at <br /> Unocal's refinery in Rodeo, California as outlined in Delta's Work Plan for Underground Storage <br /> Tank Removal, dated October 16, 1995. Disposal of ballast water, however was not addressed in the <br /> work plan since the concentrations of the water and the disposal requirements were unknown. <br /> Unocal would like to dispose of the ballast water as soon as possible following notification to <br /> SJCPHS-EHD. Following disposal of the ballast water, the Baker tanks will be removed from the <br /> site to allow continued construction at the site. Ballast water within the current tanks will be disposed <br /> in approximately two weeks under the same permit. Delta will call the SJCPHS-EHD on <br /> November 13, 1995, to confirm the water disposal. <br /> If you have any questions regarding the proposed work or schedule,please call me at(916)638-2085. <br /> Sincerely, <br /> DELTA ENVIRONMENTAL CONSULTANTS, INC. <br /> �,', " 9 W <br /> Eric J. Holm, R.G. <br /> California Registered Geologist No. 5880 <br /> ETH (CL735.SJS) <br /> Providing a Competitive Edge <br />