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T-C <br /> A S S O C I A T E S I N C <br /> CONCLUSIONS <br /> Concentrations of petroleum hydrocarbons in groundwater samples collected from MW1, MW2, <br /> and MW3 remain below detectable levels Field measurements collected in January and April <br /> 2004 indicate the groundwater flow direction beneath the site is variable <br /> RECOMMENDATIONS <br /> Based on the groundwater quality data, we recommend sampling wells MW1, MW2, and MW3 <br /> for two more quarters 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 /> 9� <br /> Jim Kundert <br /> Staff Geolo ist <br /> b�w `�- <br /> Drew Van Allen <br /> Senior Project Manager '`" <br /> Je e Homsey, P E � <br /> CA Registered Civil Engineer No 47410 <br /> r <br /> cc Mr Jay Mcllrath, West Lane Fuels <br /> Mr Jim Barton, RWQCB � �'' <br /> w 12687412QR-2004 doc <br />