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San Joaquin County DIREcrOR <br /> Donna Heran, REHS <br /> Environmental Health Department ASSISTANT DIRECTOR <br /> a FZ� 600 East Main Street Laurie Cotulla, RENS � <br /> s Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Carl Borgman, REHS <br /> C4' N�i�P Website: ww.Sjgov.org/ehd Mike Huggins, REHS, RDI <br /> Oww.S/ rio, REHS <br /> gov.org1ehd <br /> (209) 468-3420 . Robert M CMargaret ellon, REHS <br /> Fax: (209)464-0138 Jeff Carruesco,REHS,RDI <br /> Kasey Foley,REHS <br /> GREG CARNEY SEP 2 0 2007 <br /> STOCKTON TERMINAL & EASTERN RR <br /> 1330 N BROADWAY <br /> STOCKTON CA 95205 <br /> RE: Stockton Terminal & Eastern RR SITE CODE: 1726 <br /> 1282 Shaw Road <br /> Stockton CA 95215 t <br /> a <br /> San Joaquin County, Environmental Health Department (SJC/EHD) has discussed <br /> possible regulatory closure of this site with a representative of the Regional Water Quality <br /> Control Board, Central Valley Region (CVRWQCB). They indicated they would not concur <br /> with a determination of closure without a current investigation of site conditions. <br /> A site investigation was conducted at this site in August 1999 with the advancement of <br /> five soil borings. Two soil samples collected from boring B-1, which was located within <br /> the former underground storage tank (UST) pit, reported concentrations of total petroleum <br /> hydrocarbon as diesel (TPHd). Specifically, the CVRWQCB requested additional <br /> confirmation of these detections, and collection and analysis of a groundwater sample. <br /> Please proceed with submittal of a work plan to continue the investigation of this site and <br /> proceed towards closure. SJC/EHD recommends a minimum of two soil borings; one �l <br /> located near B-1 to collect current data on the soil in the former UST pit, and one located <br /> outside of and down gradient from the former UST pit area to collect a grab groundwater <br /> sample. The work plan is due no later than November 19, 2007. <br /> If you have any questions or comments please call Lori Duncan at (209)468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Lori Duncan, Senior REHS Margaret Lagorio, RE S <br /> Site Mitigation Unit IV Program-Coordinator Unit IV <br /> cc: James Barton, CVRWQCB <br />