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' Quarterly Report - June 1998 <br /> • Franklyn Cole Properties <br /> 7505 West Linne Road, Tracy, California <br />' 1.0. INTRODUCTION AND SCOPE OF WORK <br /> In accordance with a request from Mr. Franklyn Cole,Advanced GeoEnvironmental,Inc. (AGE)has <br /> tprepared this Quarterly Report for 7505 West Linne Road, Tracy, California (the site). This report <br /> summarizes the installation and operation of the soil remediation unit at the site. The location and <br /> vicinity of the site are illustrated on Figure 1 - Location Map; structures,borings, and former UST <br /> and dispenser locations on the site are illustrated on Figure 2 - Site Plan. <br /> t The report is prepared in accordance with San Joaquin County Public Health Services - <br /> Environmental Health Division (PHS-EHD) and Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) guidelines for the investigation of underground storage tank(UST) sites. <br /> . Background information and a description of prior investigations at the site was included in the Site <br /> Summary Report- October 1996, dated 22 October 1996 prepared by AGE. <br /> . 2.0. PROCEDURES <br />' 2.1. SOIL-VAPOR EXTRACTION SYSTEM INSTALLATION <br />' On 12 February 1998, a King, Buck/Hasstech (KBH) thermal oxidation soil-vapor extraction unit <br /> (SVE) was delivered to the site by AGE. Beginning on 17 February 1998, setup of the extraction <br /> system was initiated with installation of the electrical power source and the natural gas line. <br /> 1 <br /> The SVE network was installed connecting wells VW-1 and VW-2 and the SVE unit using 211-- <br /> diameter <br /> "diameter schedule 40 PVC piping. However, well VW-2 was not used for continual extraction due . <br /> to very low soil-vapor hydrocarbon concentrations in the area of well V W-2.The piping was placed <br /> in a trench approximately 5 to 6 inches in depth and covered with sand. Concrete was then'applied <br /> t over the trenching to match the existing surface. The piping was then routed through a moisture <br /> knockout drum to a 2-horsepower;maximum 100 standard cubic feet per minute (scfm) blower and <br /> into the thermal oxidizer oven. An in-line flow meter is located within SVE located along the flow <br /> route of the extracted vapor.. <br /> - - 2:2. ----SVE START-UP <br /> 'The KBH thermal SVE system began full-scale operation on 25 February 1998. The initiation of the <br />' SVE operation was observed by representatives of the San Joaquin Unified Air Pollution Control <br />' Advanced GeoEnvironmental;Inc. <br />