Laserfiche WebLink
M ITTE LHAUSER <br /> corporation <br /> 7901 Stoneridge Drive, Suite 123 <br /> Pleasanton California 94588 <br /> Bus (S 10) 416-2900 <br /> Fax (510) 416-0957 <br /> January 31, 1992 <br /> Mr. Harlin Knoll <br /> San Joaquin County Department of Public Health Services <br /> P.O. Box 2009 <br /> Stockton, California 95201 <br /> SUBJECT: Preliminary Investigation and Evaluation Report <br /> Unocal Service Station 06348 <br /> 3788 Tracy Boulevard, Tracy, California <br /> Dear Mr. Knoll: <br /> This report presents results of a subsurface <br /> investigation and installation of monitoring wells at 3788 Tracy <br /> Boulevard, Tracy, San Joaquin County, California. The site, <br /> located just north of Interstate 205, is shown on Figure I. <br /> The purpose of the work is to assess the extent of any <br /> subsurface contamination and to identify the groundwater flaw <br /> direction. All work is performed in compliance with guidelines <br /> established by the California Regional Water Quality Control Boar: <br /> (RWQCB) , and the San Joaquin County Department of Public Ha&lth <br /> Services. The work consisted of the following tasks: <br /> o Coordinating with regulatory agencies and obtaining <br /> necessary permits. <br /> o Preparing a health and safety plan. <br /> a Arranging and observing installation and <br /> development of four groundwater monitoring wells. <br /> o Arranging and observing the drilling of additional <br /> borings to delineate the nature and volume of soil <br /> contamination. <br /> o Collecting soil samples during drilling and water <br /> samples following well development fcr laboratory <br /> analysis of contaminants of concern. <br /> o Summarizing findings into a Preliminary <br /> Investigation and Evaluation Report. <br /> ® CHICAGO, IL BAKERSFIELD CA INDIANAPOLIS, IN LAGUNA HILLS, CA <br />