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Canow-LeEnvironmental <br /> Canonie Environmental Services Corp <br /> 1��1J�1�Id 1710 Main Street <br /> Escalon California 95320 <br /> MAR 1 5 1995 Phone 209 838 3507 <br /> March 13, 1995 Phone 800 926 0806 <br /> 94-331-001-T5Fax 209 838 3509 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES - -- <br /> Ms. Margaret Lagorno <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O. Box 2009 <br /> Stockton, CA 95201 <br /> Subject Site Status Report, October through December 1994 <br /> Holt Bros , 1521 West Charter Way, Stockton, California, Site Code 1988 <br /> Ms. Lagono- <br /> This letter report will serve to document monitoring and sampling activities from October <br /> through December 1994 at the subject site (Plate 1) Groundwater monitoring and sampling <br />• was conducted on December 8, 1994 Activities included monitoring fluid level elevations in <br /> the six groundwater monitoring wells, sampling three groundwater monitoring wells for <br /> analysis of dissolved hydrocarbons and measuring the thickness of free product in well MW 1 <br /> GROUNDWATER MONITORING AND SAMPLING <br /> RESNA personnel performed groundwater monitoring and sampling on December 8, 1994 <br /> Field work consisted of measuring depth to fluid levels and subjectively analyzing the water <br /> from wells MW1, MW2, MW3, MW4, MW5, and MW6 for the presence of sheen or floating <br /> product Well locations are shown on Plate 2 The depths-to-groundwater in the wells ranged <br /> from 26 16 to 28 12 feet below the top of the well casings, an average drop in the water level <br /> of approximately 0 09 feet since the last monitonng event in September 1994 However, the <br /> change in groundwater elevation was not uniform across the site Groundwater elevations in <br /> wells MW1, MW2, and MW4 decreased an average of 0 27 feet while groundwater elevations <br /> in wells MW3, MW5, and MW6 increased an average of 0 08 feet <br /> Less than one inch of floating product was measured in well MW1 Approximately 50 <br /> milliliters of product/water mixture was bailed from the well and placed in the on-site waste <br /> oil tank Groundwater monitoring data since December 1990 are summarized in Table 1. <br /> 1500771QUARTLYI4QR-1994 doe )< <br />