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T Quik Stop Markets, Inc. February 11, 1992 <br /> Project No. 3-49132-32 Page 5 <br /> - this analysis was performed and fecal coliform was only detected in the sample collected <br /> from MW-2. It was the decision of SJCPHS that the groundwater samples from this <br /> well shall continue to be analyzed for fec',d coliform. In subsequent sampling visits to <br /> the site on July 31, 1991 and this sampling of September 11, 1991, no fecal coliform <br /> has been detected in this well. It is known that a main sewer line was located beneath <br /> West Hammer Lane, approximately 30 to 40 feet away from MW-2. Since this is the <br /> only well in which any fecal coliform has been detected and it is the well closest to this <br /> _ sewer line, it is likely that this sewer line was the source of the detected fecal coliform. <br /> Such conditions are beyond the control of Quik Stop Markets. The purpose of these <br /> monitoring wells is to aid in the determination of the presence and/or extent of <br /> petroleum hydrocarbons in the groundwater. It was the recommendation of RESNA <br /> that Quik Stop Markets be permitted to discontinue fecal coliform testing of the <br /> gcaundwater collected from monitoring well MW-2. In a letter to Quik Stop Markets <br /> dated December 5, 1991, the SJCPHS reduced the required fecal coliform sampling <br /> frequency in monitoring well MW-2 to semi-annual (every other quarter). <br /> Tha next quarterly groundwater sampling of the monitoring wells at the site will be <br /> conducted in March 1992. <br /> Reporting Requirements <br /> Quik Stop Markets, Inc. should forward a copy of this report to the following agencies <br /> in a timely manner: <br /> San Joaquin County California Regional Water <br /> Public Health Services Quality Control Board <br /> Environmental Health Division Central Walley Region <br /> 445 N. San Joaquin Street 3443 Routier Road <br /> Stockton,California 95201 Sacramento,California 95$27 <br /> Attention: Mr. Steven K. Schneider, R.E.H.S. <br /> Environmental Health Specialist <br /> References <br /> Exceltech, September 1990, Preliminary Soil and Groundwater Investigation at Quik <br /> Stop Market No. 132, 3555 W. Hammer Lane, Stockton, California: unpublished <br /> technical report for Quik Stop Markets, Fremont, California <br /> Exceltech, November 1990, Termination of Excavation, Quik Stop 132, 3555 W. <br /> Hammer Lane, Stockton, California: unpublished technical report for Quik Stop <br /> M-arketz, Fremont, California. <br />