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ERM-West, Inc <br /> 1777 Botelho Drive <br /> Suite 260 <br /> February 25, 1993 Walnut Creek, CA 94596 <br /> (510)946-0455 <br /> (510)946-9968(Fax) <br /> ' Ms Mary Meays <br /> Public Health Services/Environmental <br /> Health Department <br /> ' San Joaquin County <br /> 445 North San Joaquin <br /> Stockton, California 95201 <br /> ' Subject- San Joaquin County Public Health ERM <br /> Services/Environmental Health <br /> ' Division Letter Dated December 30, <br /> 1992 from Mary Meays to Ric <br /> Notini Regarding Former Tank <br /> ' Sites #1 and #2 1325 West Weber <br /> Avenue, Stockton, California <br />' Dear Mary: <br /> On behalf of Catellus Development Corporation (Catellus), ERM-West, Inc. <br /> (ERM) is writing you to respond to the letter described above We believe that <br /> it is important to clarify numerous issues that we presented to San Joaquin <br /> County Public Health Services/Environmental Health Division (PHS/EHD) <br />' during our meeting of December 18, 1992 Following is a summary of the <br /> information presented to you during that meeting We conclude this letter <br /> with a discussion of future activities that we propose to conduct at the site <br />' FORMER TANK SITE #1 <br /> Attachment A shows the figures and tables for Former Tank Site #1 (Site #1) <br /> that we presented to you during our December 18, 1992 meeting The display <br /> consists of a groundwater elevation map; two maps showing maximum <br />' concentrations of TPH as Gasoline (TPH-G), and Benzene measured in soils <br /> and groundwater, respectively, a geologic cross section, and summarized <br />' groundwater monitoring data <br /> Soils <br />' Soils at Site #1 have been the subject of investigation activities during three <br /> different periods of time, beginning in 1988 Soil has been characterized by <br />' the analysis of data obtained from the tank pit excavation, two soil-gas survey <br /> points, three soil borings, and the installation of two groundwater <br /> monitoring wells <br />' A Member of the Envcronmentai <br /> Resources Management Group <br />