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r Ms Diane Hinson Page 3 _ <br /> December 30, 1992 <br /> from each well prior to sampling and the stable pH, temperature, and <br /> conductivity measurements <br /> Table 6 <br /> November 1992 Mon:coring Well Development Data <br /> Well # Volumes Bailed pH Temperature Conductivity <br /> MW-4 3 770 66 2°F 1,420µS <br /> MW-5 3 744 64 0°F 1,340µS <br /> MW-6 3 727 66 2"F 1,280µS <br /> Results of November 1992 sample analyses are summarized in Table 7 and shown <br /> in Figure 4 The original laboratory reports and copies of Cham-of-Custody forms <br /> appear in Attachment 2 TPH concentrations in all three wells remain below 10 <br /> ppm The groundwater sample from well MW-6 had 1 CFU/ 100 ml of sample <br /> Table 7 <br /> November 1992 Analytical Results <br /> Sample TPH <br /> MW-4 019 mg/1 <br /> MW-5 0 55 mg/I <br /> MW-6 0 25 m /I <br /> Site Status <br /> Based on the lack of any significant impact of the diesel release on groundwater, <br /> there are currently no remediation activities underway nor proposed for the site <br /> Once-a-year sampling for TPH-diesel and measurement of groundwater <br /> elevation should be continued to monitor any change in the current status We <br /> recommend no further analysis for BTEX constituents since these have been <br /> near or below detection limits to date If you have any questions regarding this <br /> matter, please do not hesitate to call me <br /> Sincerely, <br /> ERM-WEST, INC <br /> William ?fpon <br /> Project Manager <br /> WAS/mss/1218 03 <br /> Attachments Noted <br /> ac- Melita Elmore, Safeway <br /> Don Christensen, Safeway <br /> Mike Frost, Safeway <br /> Elizabeth Thayer, CVRWQCB <br />