Laserfiche WebLink
CAMBR9A <br /> • <br /> September 15, 1998 <br /> Ms Lori Duncan <br /> San Joaquin County Public Health Services <br /> P O Box 388 <br /> Stockton, California 95201 <br /> Re Quarterly Monitoring Report - Third Quarter 1998 <br /> C M Weber Enterprises Property <br /> 141 North EI Dorado Street <br /> Stockton, California <br /> WIC #204-7524-1509 <br /> Dear Ms Duncan <br /> This Quarterly Monitoring Report describes the recently completed activities associated with <br /> ground water monitoring and sampling at the referenced site (Plates 1 and 2) This report <br /> was prepared to meet quarterly reporting requirements issued by the Regional Water Quality <br /> Control Board, Central Valley Region and San Joaquin County Public Health Services <br /> (SJCPHS) <br /> • A ground water extraction system was to operation at the site from March 2, 1993 through <br /> September 5, 1995 Several soil vapor extraction systems have operated at the site The <br /> most recent soil vapor extraction system operation utilizing activated carbon was terminated <br /> on August 21, 1996 The following table summarizes remediation performed to date <br /> Total Purgeable Petroleum Hydrocarbons Removed (pounds) <br /> LIQUID PHASE VAPOR PHASE CUMULATIVE <br /> 37 3277 3314 <br /> Quarterly Monitoring & Sampling Summary <br /> Ground water monitoring and sampling for the third quarter of 1998 are summarized below <br /> Oakland CA <br /> Sonoma CA o Blame Tech Services, Inc (Blaine), of San Jose, California measured ground water <br /> Portland OR levels and collected ground water samples in Wells MW-I through MW-5, RW-1, <br /> Seattle WA <br /> RW-2, and VEW-1 through VEW-4 on July 28, 1998 The samples were transported <br /> Cambria to Sequoia Analytical of Redwood City, California for chemical analysis <br /> Environmental <br /> Technology, Inc lo <br /> a Cambria Environmental Technology, Inc (Cambria) evaluated water-level <br /> o Perkins Street measurement data and prepared a ground water contour map (Plate 2) Ground water <br /> P o Box 259 <br /> Sonoma CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />