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BLAWIE 1680 ROGERS AVENUE <br /> TECH SERVICES— SAN JOSE, CA 95112-1105 <br /> . (408) 573-7777 FAX <br /> z°w¢w 4T o a (408) 573-0555 PHONE <br /> CONTRACTOR'S LICENSE#746684 <br /> www blametech com <br /> O <br /> ANG D� <br /> February 19, 2004 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91510-7869 <br /> First Quarter 2004 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 1071 North Main Street <br /> Manteca., CA <br /> Monitoring performed on January 20, 2004 <br /> Groundwater Monitoring Report 040120-SH-2 <br /> Tlus report covers the routine monitoring of groundwater wells at this Shell-branded facility In <br /> accordance with standard procedures that conform to Regional Water Quality Control Board <br /> requirements, routine field data collection includes depth to water, total well depth, thickness of <br /> any separate immiscible layer, water column volume, calculated purge volume (if applicable), <br /> elapsed evacuation time (if applicable), total volume of water i el-loved (if applicable), and <br /> standard water parameter instrument readings Sample material is collected, contained, stored, <br /> and transported to the lab oiatory in conformance with EPA standards Purgewater (if applicable) <br /> is, likewise, collected and transported to the Martinez Refining Company <br /> Basic field information is presented alongside analytical values excerpted Rom the laboratory <br /> report in the cumulative table of WELL CONCENTRATIONS The frill analytical report for <br /> the most recent samples and the field data sheets are attached to this report <br /> • At a minimum, Blaine Tech Seivices, Inc field personnel are certified on completion of a forty- <br /> houi Hazardous Mateiials and Emergency Response training course per 29 CFR 1910 120 Field <br /> peisonnel are also enrolled in annual eight-Dour iefiesher courses <br />