Laserfiche WebLink
6ETTLER - RYAN INC. <br /> i <br /> August 1, 2003 <br /> G-R Job#386843 <br /> Mr. Robert Cochran <br /> Chevron Products Company <br /> P.O. Box 6004 <br /> San Ramon, CA 94583 <br /> RE: Third Quarter Events of July S,2003 <br /> Groundwater Monitoring & Sampling Report <br /> Former Chevron Service Station 49-0557 <br /> 139 South Center Street <br /> Stockton, California <br /> Dear Mr. Cochran: <br /> This report documents the most recent groundwater monitoring and sampling event performed by Gettler-Ryan <br /> Inc. (G-R) at the referenced site. All field work was conducted in accordance with G-R Standard Operating <br /> Procedure - Groundwater Sampling(attached). <br /> Static groundwater levels were measured and the wells were checked for the presence of separate-phase <br /> hydrocarbons. Static water level data, groundwater elevations and separate-phase hydrocarbon thickness (if <br /> any) are presented in the attached Table 1. A Potentiometric Map is included as Figure 1. <br /> Groundwater samples were collected from the monitoring wells and submitted to a state certified laboratory for <br /> analyses. The field data sheets for this event are attached. Analytical results are presented in the table(s) listed <br /> below. A Concentration Map is included as Figure 2. The chain of custody document and laboratory analytical <br /> report are also attached. <br /> Please call if you have any questions or comments regarding this report. Thank you. <br /> incerely, <br /> t <br /> Deanna L. Harding <br /> Projec oordinator GE <br /> c�� <br /> Robert C. Mallory * No.7285 '* <br /> Registered Geologist No. 7285 UP. 0 It" <br /> Figure 1: Potentiometric Map �OFCA\,\F <br /> Figure 2: Concentration Map <br /> Table 1: Groundwater Monitoring Data and Analytical Results <br /> Table 2: Groundwater Analytical Results-Oxygenate Compounds <br /> Table 3: Groundwater Analytical Results <br /> Attachments: Standard Operating Procedure-Groundwater Sampling <br /> Field Data Sheets <br /> Chain of Custody Document and Laboratory Analytical Reports <br /> 6747 Sierra Court , Suite J 9 Dublin , California 94568 ( 925 ) 551 -7555 <br />