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M <br /> l <br /> i <br /> KAPRE.ALQAN ENGINEERING, INC. <br /> Consulting Engineers <br /> 535 Main Street <br /> Martinez,Ca.94553 <br /> (415)372-5444 CIS';; <br /> KEI-Pc6-032A <br /> August 11, 1986 <br /> mr. Tony Cardoza <br /> 4451 E. Perrin Road <br /> Manteca, CA 95336 <br /> Re: Groundwater Monitoring and Sampling wells <br /> at 8715 W. Grantline Road 7racy, CA <br /> Dear Mr. Cardoza: <br /> This report preseints our investigation for monitoring <br /> groundwater in accordance with our proposal dated April 15, 1936, <br /> for the referenced site. The purpose of the investigation was to <br /> make an assessment of the vertical extent of possible <br /> contamination of soil and groundwater beneath the subject site due <br /> following; <br /> to gasoline spill. The work performed consisted of the <br /> 1. Coordination with the regulatory agencies for <br /> installation of the wells. <br /> 2. Drilling and groundwater well installation. <br /> 3 . Groundwater purging/sampling. <br /> 4. Laboratory analysis. <br /> 5. Data analysis, interpretation and report preparation. <br /> FIELD INVESTIGA'T'ION PROCEDURES <br /> One 2-inch monitoring well was installed on the site on June <br /> 10, 1936 which was designated as MW-1. The well was drilled and <br /> completed in accordance with the guidelines of the California <br /> Regional Water Quality Control Board. <br /> , A description of the subsurface materials penetrated and <br /> details <br /> ...of....the...construction- of-the-:wells are contained on the <br /> accompanying. Exploratory Boring Logs. <br /> Ad <br /> �r <br />