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i <br /> i BLAINE TIMOTHY DRIVE <br /> A <br /> SAN JOSE CA 95133 <br /> TECH SERVICES INC R��973 <br /> �;35 <br /> TMAN <br /> i <br /> March 1, 1994 <br /> Shell Oil Comuany <br /> P O Box 5278 <br /> Concord, CA 94520-9998 <br /> Attn Daniel T Kirk <br /> ITE <br /> Shell %'VIC 4204-7525-0104 <br /> 6131 Pacific Avenue <br /> Stockton, California <br /> QUARTER <br /> 1 st quarter of 1994 <br /> QUARTERLY GROUNDWATER S A tiiPLVgG REPORT 940215-Z-2 <br /> This report contains data collected during routine inspection, gauging and sampling of <br /> groundwater monitoring wells performed by Blaine Tech Services, Inc in response to the <br /> request of the consultant who is overseeing work at this site on behalf of our mutual client, <br /> Shell 011 Company Data collected in the course of our field work is presented in a <br /> TABLE OF «-ELL GAUGRI G DATA The field information was collected dunng our <br /> preliminary gauging and inspection of the wells, the subsequent evacuation of each v%eil <br /> prior to sampling, and at the time of sampling <br /> Measurements taken include the total depth of the well and the depth to water The surface <br /> of 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 eater was monitored w-nh <br /> instruments that measure electrical conductivity (EC), potential hydrogen (pH), tempera- <br /> ture (degrees Fahrenheit), and turbidit, (-ITU) In the interest of simplicity, fundamental <br /> information is tabulated here, while the oulk of the information is turned over dlrectsv to <br /> the consultant v ho is making professional interpretations and evaluations of the conaitions <br /> at the site <br /> Blame Tech Semcm Inc.940215-Z-2 Shell 6131 Pacific Ave,Stockton page l <br />