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EP 23 ' 99` 10 : 33 FROM GETTLER—RYAN INC TO 2772361 PAGE . e02ie29 <br /> i <br /> ,y <br /> 4 <br /> GE T TL ER RYA N INC. <br /> September 18, 1998 <br /> G-R lob #1180176 <br /> Mr. David Camille <br /> Tosco Marketing Company <br /> 2000 Crow Canyon Place, Suite 400 <br /> San Ramon, California 94583 <br /> U: Groundwater Monitoring & Sampling Report <br /> Tosco (Former BP Oil) #111193 <br /> 3202 West Hammer Lane <br /> Stockton, California <br /> Dear Mr. Camille: <br /> This report documents the groundwater monitoring and sampling event performed by Gettler-Ryan lnc. (G-R). <br /> On September 15, 1998, field personnel monitored and sampled two wells (MW-1 and MW-2) at the above <br /> referenced site. <br /> Static groundwater levels were measured and all wells were checked for the presence of separate-phase <br /> hydrocarbons_ Separate-phase hydrocarbons were not present in the wells. Static water level data, and <br /> groundwater elevations are summarized in Table 1. <br /> Groundwater samples were collected from the monitoring wells as specified by G-R Standard Operating <br /> Procedure - Groundwater Sampling (attached). The field data sheets are also attached. The samples were <br /> analyzed by Sequoia Analytical. Analytical results are summarized in Table 1. The chain of custody document <br /> and laboratory analytical reports are also attached. <br /> Sincerely, <br /> arm L. Harding <br /> Project Coordinator <br /> Table 1: Groundwater Monitoring Data and Analytical Results <br /> Attachments: Standard Operating Procedure - Groundwater Sampling <br /> Field Data Sheets <br /> Chain of Custody Document and Laboratory Analytical Reports <br /> 11193 amt <br /> I <br /> 6747 Sierra Court , Suite J Dublin , California 94568 (925) 551 . 7555 <br />