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BLAINE1680 ROGERS AVENUE <br /> TECH SMMCESK SAN JOSE, CA 95112-1105 <br /> (408)573-7771 FAX <br /> 'TT (408)573-0555 PHONE <br /> • y CONTRACTOR'S LICENSE #746684 <br /> 3 www bfainetech mm <br /> May 12, 2003 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91510-7869 <br /> i <br /> Second Quarter 2003 Groundwater Monitoring at <br /> Shellbranded Service Station <br /> 4315 Waterloo Road <br /> Stockton, CA <br /> Momtonng performed on April 10, 2003 <br /> Groundwater Monitoring Report 030410-BM-2 <br /> This 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, tluclmess of any <br /> separate miscible layer, water column volume, calculated purge volume (if applicable), elapsed <br /> evacuation time (if applicable), total volume of water removed(if applicable), and standard water <br /> parameter instrument readings Sample material is collected, contained, stored, and transported to <br /> the laboratory in conformance with EPA standards Purgewater(if applicable) is, lilcewise, <br /> collected and transported to the Martinez Refining Company <br /> Basic field information is presented alongside analytical values excerpted from the laboratory report <br /> in the cumulative table of WELL CONCENTRATIONS The full analytical report for the most <br /> recent samples and the field data sheets are attached to this report <br /> At a minunum, Blaine Tech Services, Inc field personnel are certified on completion of a forty hour <br /> Hazardous Materials and Emergency Response training course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight-hour refresher courses <br />