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A S S D C I A T E S I N C <br /> GEOTRACKER DATA UPLOAD <br /> The site facility global ID number is T0607700859 The depth to water data was submitted <br /> electronically to the State Water Resources Control Board (SWRCB) Geotracker database <br /> (confirmation number 9144230484) and the laboratory data was also submitted electronically to <br /> the SWRCB Geotracker database (confirmation number 6349578440) Documentation of the <br /> data submittal is contained in Attachment 3 <br /> CONCLUSIONS <br /> Concentrations of petroleum hydrocarbons in groundwater samples collected from MWl, MW2, <br /> and MW3 remain below detectable levels Field measurements collected in January, April, and <br /> July 2004 indicate the groundwater elevation and flow direction beneath the site varies <br /> seasonally <br /> RECOMMENDATIONS <br /> Based on the groundwater quality data, we recommend sampling wells MW l, MW2, and MW3 <br /> for one more quarter If the concentrations in the monitoring wells remain below detectable <br /> levels, ATC will recommend no further action at that time <br /> Please contact our office at (209) 579-2221 if you have any questions <br /> Respectfully submitted, <br /> ATC Associates Inc <br /> & dkldyelc <br /> Mike Luksic, R G <br /> Staff Geologist <br /> D GEp�ICH O <br /> Drew Van Allen <J' <br /> Senior Project Manager <br /> c No 4450 <br /> a -• CP Exp10k <br /> Lorraine Sawyer, R G #4450 <br /> Principal Geologist OF CAO o <br /> cc Mr Jay McIIrath, West Lane Fuels <br /> • Mr Jim Barton, RWQCB <br /> s 12687413QR-2004 doc 3 <br />