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may. F i <br /> r <br /> O <br /> 1 'SWFH P Rs" T SERVICE <br /> ENVIRONMENTALTECHNOLOGIESCORPORATION <br /> September 30, 1996 <br /> 94-331-001-T6 <br /> Ms. Margaret Lagono <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P Q Box 388 <br /> Stockton, CA 95201-0388 <br /> Site Status Re ort <br /> aly through Se ember 1996 <br /> Holt Bros <br /> 1521 West Charter Way <br /> Stockton, California <br /> Site Code 1988 <br /> Dear Ms Lagono- <br /> This letter report will serve to document monitoring and sampling activities from July through <br /> September 1996 at the subject site (Figure 1) Groundwater monitoring and sampling was <br /> conducted on July 29 and August 29, 1996 Activities included monitoring fluid level <br /> elevations in the six groundwater monitoring wells, and sampling five groundwater monitoring <br /> wells for analysis of dissolved hydrocarbons and halogenated volatile organic compounds <br /> Since the last monitoring event in June 1995, impacted soil in the vicinity of the former <br /> underground storage tanks was excavated, requiring the destruction of wells MW1 and MW5 <br /> which were subsequently replaced with wells MWIR and MW5R <br /> GROUNDWATER MONITORING AND SAMPLING <br /> Smith Environmental Technologies Corporation personnel performed groundwater monitoring <br /> and sampling on July 29, 1996 Field work consisted of measuring depth to fluid levels and <br /> subjectively analyzing the water from wells MWIR, MW2, MW3, MW4, MW5R, and MW6 <br /> for the presence of sheen or floating product Well locations are shown on Figure 2 The <br /> depths-to-groundwater in the wells, except MW5R, ranged from 17.24 to 18 13 feet below the <br /> top of the well casings, an average rise in the water level of approximately 3 28 feet since the <br /> last monitoring event in June 1995 <br /> 1500771QUARTLYl3QR-1996 doc 1 <br /> 1260 Graphics Drive Modesto,CA 95351-1502 - (209)579-2221 - Fax(209)579-2225 <br /> Engineering - Consulting - Remediation - Construction <br />