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Report-Groundwater Invej.,gation <br /> First Student Bus Facility(Former A.W. Hayes Facility) <br /> 2005 Navy Drive—Stockton, CA <br /> The EHD had not received any reports of investigation for this Site since the installation <br /> and sampling of the four (4) monitoring wells was submitted in June 2004. As a result, <br /> the EHD requested the submittal of quarterly reports as required in the California Code of <br /> Regulations (CCR) Section 2652 (d), until a No Further Action (NFA) is issued by the <br /> lead regulatory agency. <br /> In October 2008, KR Environmental contacted the EHD regarding the future work <br /> required at the Site. The EHD informed KR Environmental that during an inspection of <br /> the Site, MW-2 could not be located. As such, the EHD requested KR Environmental to <br /> find the location of MW-2; re-develop the monitoring wells; sample the monitoring wells <br /> and have the samples analyzed for TPH-g, TPH-d and volatile organic compounds <br /> (VOCs); have the monitoring wells surveyed according to GeoTracker specifications; and <br /> submit all reports of work performed, all sampling data, site maps, etc. to GeoTracker as <br /> specified in the CCR Sections 3890 through 3894 for contaminated UST sites. <br /> In November 2008, KR Environmental sampled groundwater monitoring wells MW-1, <br /> MW-3 and MW-4, and attempted to identify the location of MW-2. Groundwater <br /> samples collected from the three wells (MW-1, MW-3 and MW-4) indicated that TPHd <br /> and TPI-Ig were not detected in any of the three (3) wells, and that VOCs were detected in <br /> the groundwater samples collected from MW-1 and MW-4, but were not detected in the <br /> groundwater sample collected from MW-3. Finding the location of MW-2 was <br /> unsuccessful in November 2008. Findings during the November 2008 sampling event are <br /> summarized in the KR Environmental Report entitled " Report, Groundwater <br /> Investigation, First Student Bus Facility (Former A.W. Hayes Facility) 2005 Navy Drive <br /> —Stockton, CA 95206(Site Code: 2546). <br /> 3.0 SCOPE OF WORK <br /> This groundwater investigation included conducting the following tasks: <br /> A. FINDING THE LOCATION OF MONITORING WELL MW-2 <br /> B. GROUNDWATER SAMPLE COLLECTION <br /> (including Groundwater Flow Direction and Gradient) <br /> C. LABORATORY ANALYSIS OF GROUNDWATER SAMPLES <br /> 2 <br />