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BLAKELO <br /> I NVIRCIN141EN7-AL <br /> TN. VES'r1GAT1C?NS - <br /> CarrolOz <br /> San Joaquin County Public.Health Services <br /> ' Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> 1 <br /> Re: Frontier Transport, Inc. 'Site Code: 2251 <br /> ' 425 Larch Road <br /> Tracy, CA 95376 <br /> 1 ' I <br /> Blakely Environmental Investigations, Inc. (BEII) performed a well survey of <br /> domestic, municipal, agricultural, industrial, and any other wells within a 2,000-foot <br /> ' radius of the Frontier facility located at 425 Larch Road, Tracy, California. A search of <br /> the Department of Water Resources records identified eighteen (18)wells located at <br /> fifteen(15) locations within a 2,000-foot radius. The attached figure identifies the fifteen <br /> well locations with respect to the site. The enclosed table identifies the type of well, well <br /> depth, perforation depth, and the annular seal depth. <br /> ' Most of the wells (13) are used as domestic water wells and range,in depth from <br /> 80' below grade(bg)to 223' bg. The shallowest domestic water well (well #3 in the <br /> ' table)was perforated from 60' bg to 80' bg. The annular seal of the domestic water wells <br /> was set from0' bg to 50' bg, with the exception of well 95 which was sealed from 0' bg <br /> to 20' bg. <br /> ' Four (4) shallow wells, all located at 3425 Tracy Blvd., are used for monitoring <br /> only. These wells are 30' bg and 35' bg and screened from approximately 8' bg to <br /> termination depth. Well#10 did nouhave sufficient data to determine type of well, well <br /> depth, perforation depth, and the annular seal depth. <br /> Based on the well survey, no domestic water wells located within a 2;000-foot <br /> radius are screened within the shallow subsurface groundwater identified beneath the site <br /> from 6' bg to 10' bg. <br /> ' If you have any questions regarding the reported data, please call Hiram Garcia at <br /> (760) 249-5498. <br /> c <br /> .� Hiram Garcia , <br /> REA#6482 <br /> 1 BLAKELY ENVIRONMENTAL INVESTIGATIONS,INC. <br /> PO BOX 339, 1473 HIGHWAY 2,SUITE 2,WRIGHTW'OOO,CA 92397(760)249-5498 FAX(760)249.10161 www.ben-netcom <br />