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San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> r Donna Heran,REHS <br /> 1868 East Hazelton Avenue <br /> Q: -� PROGRAM COORDINATORS <br /> U fL„iiin .i� Stockton, California 95205-6232 Robert McClellon,REHS <br /> Jeff Carruesco,REHS,RDI <br /> Kasey <br /> Website:www.sjgov.org/ehd Linda Foley,REHS <br /> Linda Turkatte,RENS <br /> Phone: (209) 468-3420 Rodney Estrada,REHS <br /> Fax: (209)464-0138 Adrienne Ellsaesser,REHS <br /> November 5, 2013 <br /> Ken Gillies <br /> Gillie's Trucking <br /> P O Box 8303 <br /> Stockton, CA 95208 <br /> Subject: Gillies Trucking LOP Site Code: 1703 <br /> 3931 Newton Road <br /> Stockton, CA 95205 <br /> By letter dated 25 September 2013, the San Joaquin County Environmental Health Department <br /> (EHD) directed you to analyze groundwater samples from monitoring wells MW-GT-16A and <br /> MW-31 by EPA Method 82606 for volatile organic compounds (VOCs) and by EPA Method <br /> 8270C for semi-volatile organic compounds (SVOCs) to provide data related to the former <br /> waste oil underground storage tank (UST); the data is needed to procure closure concurrence <br /> from the Central Valley Regional Water Quality Control Board (CVRWQCB)for your site. From <br /> an initial discussion with the CVRWQCB, the EHD had thought that the VOC and SVOC data <br /> was adequate to substitute for the missing soil analytical data from the former waste oil UST; <br /> however, in subsequent conversations the CVRWQCB made clear their requirements include <br /> analysis for polychlorinated biphenyls (PCBs) and for the metals lead, copper, nickel, chromium <br /> and cadmium. <br /> As your site is in an area of high groundwater usage, the EHD considers it best for all parties <br /> involved to have the concurrence of the CVRWQCB with the closure of your case; therefore the <br /> EHD apologizes for the inconvenience and requests that you resample the two wells and <br /> analyze the samples only for the PCBs and the five metals. <br /> If you have questions regarding the directive in this letter, please contact Nuel Henderson at <br /> (209)468-3436 or by email at nhenderson0sicehd.com. <br /> Sincerely, <br /> p / , / <br /> Nuel C. Henderson, Jr., PG <br /> Engineering Geologist <br /> CC: Mr. James L. L. Barton, PG, California Regional Water Quality Control Board Central <br /> Valley Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> Steven G. Muir, Consulting Geologist & Geophysicist, PO Box 152, Woodbridge, CA <br /> 95258-0152 <br />