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BLAINE <br /> 985 TIMOTHY DRIVE <br /> SAN JOSE CA 95133 <br /> 408) 995-555 <br /> TECH SERVICES INC FAX {408) 293-8773 <br /> RECEIVED December 7, 1994 <br /> u` E C ' 2 199 <br /> Shell Oil Company <br /> P O Box 4023 <br /> Concord, CA 94524 <br /> Attn Darnel T Kirk <br /> SITE <br /> Snell WIC #204-7525-0104 <br /> 6131 Pacific Avenue <br /> Stockton, California <br /> QUARTER <br /> 4th quarter of 1994 <br /> QUARTERLY GROUNDWATER S XNIPLING REPORT 941117-L-2 <br /> This report contains data collected during routine inspection gauging and sampling or <br /> groundwater monitoring wells performea by Blaine Tech Seroces, Inc in response to the <br /> request the consultant who is overseeing work at this site on behalf of our mutual client, <br /> Shell Oil Company Data collected in the course of our field work is presented in a <br /> TABLE OF WELL GAUGrING DATA The field Information was collected during our <br /> preliminary gauging and Inspection of the wells, the subsequent evacuation of each Weil <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 Nater was Iuriher inspected for the presence of immiscioles wnten may be present as <br /> a thin film (a sheen on the surface of the water) or as a measurable fre� product zone <br /> (FPZ) At intervals during the evacuation phase, the purge grater was monitored with <br /> instruments that measure eiectrical 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 directiv to <br /> the consultant who is making professional interpretations and evaluations of the conditions <br /> at the site <br /> Blaine Tech servicm Inc 941117-L,2 Shell 6131 Pacific Ave Stockton page l <br />