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BLAINE 985 TIMOTHY DRIVE <br /> SAN JOSE, CA 95133 <br /> 7 (408) 995-5535 <br /> 7Z TECH SERVICES INC. FAX(408) 293-8773 <br /> July 15, 1993 <br /> RECCI L � <br /> t <br /> Shell 01I Company Ans'd.,.'r <br /> P O Box 5278 <br /> Concord, CA 94520-9998 <br /> Attn Daniel T Kirk <br /> SITE <br /> Shell WIC# 204-7524-0808 <br /> 7910 Lower Sacramento Road <br /> Stockton, California <br /> QUARTER <br /> 2nd quarter of 1993 <br /> WELL GAUGING REPORT 930519-V-3 <br /> This report contains data collected during routine inspection and gauging of groundwater <br /> monitoring wells performed by Blaine Tech Services, Inc in response to the request of the <br /> consultant who is overseeing work at this site on behalf of our mutual client, Shell Oil <br /> Company Data collected in the course of our fieldwork is presented in a TABLE OF <br /> WELL GAUGING DATA <br /> Measurements taken include the total depth of the well and the depth to water The surface <br /> of the water was further inspected for the presence of immiscibles which may be present as <br /> a thin film (a sheen on the surface of the water) or as a measurable free product zone <br /> (FPZ). At intervals during the evacuation phase, the purge water was monitored with <br /> instruments that measure electrical conductivity (EC), potential hydrogen (pH), tempera- <br /> ture (degrees Fahrenheit), and turbidity (NTU) In the interest of simplicity, fundamental <br /> information is tabulated here, while the bulk of the information is turned over directly to <br /> the consultant who is making professional interpretations and evaluations of the conditions <br /> at the site <br /> Blune Tech Semces,Inc 930519-V-3 Shell 7910 tower Sacramento,Stockton page 1 <br />