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F-1 L <br />California Regional Water Quality <br />Winston H. Hickox <br />Secretary for <br />Environmental <br />Protection <br />9 July 2003 <br />Mr. Eric Jenks <br />John Taylor Fertilizers <br />841 West Elkhorn Blvd <br />Rio Linda, CA 95673 <br />Central Valley Region <br />Robert Schneider, Chair <br />f <br />Control Board <br />, <br />Sacramento Main Office <br />Internet Address: http://www.swrcb.ca.gov/rwgcb5 <br />3443 Routier Road, Suite A, Sacramento, California 95827-3003 <br />Phone (916) 255-3000 • FAX (916) 255-3015 <br />REVIEW OF WORK PLAN, DRAFT MONITORING AND REPORTING PROGRAM, <br />JOHN TAYLOR FERTILIZERS, STOCKTON FACILITY, SAN JOAQUIN COUNTY <br />John Taylor Fertilizers (JTF) is investigating the extent.of soil and groundwater pollution at its <br />agricultural chemical distribution facility in Stockton. We have reviewed the following reports <br />prepared by your consultant, GeoSyntec Consultants: <br />• 1 May 2003 Results of 1 st Quarter 2003 Groundwater Monitoring (First QMR) <br />• 30 January 2003 2002 Annual Report and Results of Fourth Quarter 2002 <br />• 31 October 2002 Results of 3rd Quarter 2002 Groundwater Monitoring <br />• 1 August 2002 Results of 2"d Quarter 2002 Groundwater Monitoring <br />The First QMR includes a work plan for downgradient delineation of groundwater pollutants and <br />proposes revisions to Monitoring and Reporting Program No. 5-01-818. <br />Downgradient Delineation <br />The work plan included in the First QMR proposes six off-site grab groundwater samples to <br />determine the extent of off-site migration of 1,2-dichloropropane (1,2-DCP), 1,2,3-trichloro- <br />propane (1,2,3 -TCP), and nitrate. GeoSyntec proposes to obtain the samples along South <br />Argonaut Way, north of the facility. This is downgradient of the highest concentrations of these <br />compounds that have been detected on-site. We concur with the sample locations, but there <br />remains a gap in the downgradient delineation between MW -4, MW -5, and South Argonaut <br />Way. In order to reduce the need for subsequent grab groundwater investigations, JTF should <br />add at least one grab groundwater sample near the northeast corner of the facility. <br />California Environmental Protection Agency <br />0 Recycled Paper <br />1 11c cllcrgy cnaiienge racing Cahlomia is real. Every Californian needs to take immediate action to reduce energy consumption. For a list of <br />Gray Davis <br />Governor <br />