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475 1411 Street,Suite 450 <br /> Oakland,CA 94612-USA <br /> GEOSYNTEC CONSULTANTS Tel.(510)836-3034-Fax(510)836-3036 <br /> 31 January 2005 <br /> i o <br /> Ms. Amy Terrell FEB 0 4 2005 <br /> California Regional Water Quality Control Board "'V110NMENT HEALTH <br /> Central Valley Region PERM/T/SENVICES <br /> 11020 Sun Center Drive#200 <br /> ' Rancho Cordova, California 95670-6114 <br /> ' Subject: Work Plan for Source Area Investigation and <br /> Submittal of Proposed Well Construction Diagram <br /> ' John Taylor Fertilizers Co., Inc. <br /> Stockton, California Facility <br /> Dear Ms. Terrell: <br /> ' This letter report responds to your 23 August 2004 request for a work plan to <br /> investigate possible soil- source areas at the John Taylor Fertilizers Co. (JTF) facility, <br /> located at 1819 South Argonaut Street in Stockton, California'. A site location map is <br /> ' provided as Figure 1. Also included for your review is a monitoring well construction <br /> diagram for MW-6, proposed in our previously submitted work plan. <br /> BACKGROUND <br /> The JTF Stockton site is an active fertilizer distribution center, with a perimeter <br /> monitoring well network consisting of five wells that were installed in March 2000. <br /> The wells are located upgradient and downgradient of the site operations area. <br /> Groundwater monitoring has been performed at JTF Stockton since April 2000. <br /> Compounds detected in groundwater samples include 1,2-dichloropropane (1,2-DCP), <br /> 1,2,3-trichloropropane (1,2,3-TCP), ammonia and nitrate, and low levels of herbicides <br /> and pesticides including bromacil and dinoseb. <br /> ' ' 23 August 2004. Letter from Amy Terrell to Mr. Eric Jenks. "Review of Report, John Taylor <br /> Fertilizers, 1819 South Argonaut Way,Stockton, San Joaquin County." <br /> ' 2 GeoSyntec Consultants, 2004. "Response to Request for Work Plan, John Taylor Fertilizer Co., Inc <br /> Stockton, California Facility". 5October. <br /> P:\PRJ2003REM\Wilbur-Ellis\Wr0250(JTF)\STOCKTON\S 1.X\2005 Source Area Invest\SSI Work Plan.doc <br /> ' �.• RECYCLED AND RECYCLABLE �� <br />