Laserfiche WebLink
SECOR www.secor.com <br /> INTERNATIONAL 3017 Kilgore Road,Suite 100 <br /> S E C 0 R INCORPORATED Rancho Cordova,CA 95670 <br /> 916-861-0400 TEL <br /> 916-861-0430 FAX <br /> nD MApril 30, 2004 OVED <br /> APR 2 9 2004 <br /> Ms.Victoria McCartney ENVIRONMENT HEALTH <br /> San Joaquin County Environmental Health Division PERMIT/SERVICES <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 <br /> RE: First Quarter 2004 Groundwater Monitoring Report <br /> y � 0 �yf Jy� 7' I <br /> Chevron Service Station 9-1452 .. {1r' ✓,t ,1 1 <br /> 334 East Main Street _x <br /> Ripon, California <br /> SECOR Project No.: 77CH.00000.23.0006 <br /> a <br /> Dear Ms. McCartney: <br /> SECOR International Incorporated (SECOR), on behalf of Chevron Environmental Management <br /> Company (Chevron), has provided this report to summarize the first quarter 2004 (1Q2004) <br /> groundwater monitoring event at the above-referenced site. In addition, this report presents a <br /> summary of batch extraction results. <br /> COMPLETED ACTIVITIES— FIRST QUARTER 2004 <br /> ■ Conducted quarterly groundwater monitoring and sampling; <br /> ■ Prepared and submitted quarterly groundwater monitoring report; <br /> ■ Conducted January, February, and March batch extraction, and; <br /> • Prepared and submitted January and February batch extraction reports. <br /> PLANNED ACTIVITIES—SECOND QUARTER 2004 <br /> ■ Conduct quarterly groundwater monitoring and sampling; <br /> ■ Prepare and submit quarterly groundwater monitoring report, and; <br /> • Prepare March batch extraction report. <br /> GROUNDWATER MONITORING AND SAMPLING RESULTS <br /> On February 27, 2004, Gettler-Ryan Incorporated (G-R) performed 1Q2004 groundwater monitoring <br /> and sampling. G-R's groundwater monitoring report is included in Attachment A. Depth to <br /> groundwater across the site ranged from 29.17 to 32.59 feet below ground surface (bgs). The <br /> groundwater elevation across the site increased an average of 1.29 feet from the previou sampling . <br /> event. The groundwater flow direction varied at an approximate gradient of 0.001 to 0.{9 feet per <br /> foot (ft/ft). A summary of total petroleum hydrocarbons as gasoline (TPHg), benzene, and methyl <br /> tertiary butyl ether(MtBE) laboratory analytical data is listed below. <br /> 1,1Chevron191452Teriodic Monitoring420041902004 QMR 91452.doc SECOR International Incorporated <br /> .r` <br />