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F _ _ <br /> r <br /> Memorandum to Donna Heran <br /> November 8, 1994 <br /> Page 5 I <br /> i <br /> 319193 Due to non-compliance (no corrective action taken by'RP), the Conways <br /> hired a consultant (Geo Audit Services) to perform a g'roundwater <br /> investigation. A workplan for 3 monitoring wells was submitted to EHD <br /> for review and permit issuance. <br /> i <br /> 419193 Three monitoring wells installed along with an addition`lsoil boring under <br /> permit # 93-0340. <br /> I <br /> 5119193 Soil results established a Zero line and a W.P. to perform a second <br /> phase overexcavation was submitted. ' <br /> 5127193 EHD verified soil sampling subsequent,to completion of second phase <br /> overexcavation. <br /> 619193 Soil results from"sampling 5127193 indicated low gasoline residual on <br /> west wall at 17 feet bgs: sample TW-17 contained no BTEX above <br /> detection limits and only 1.7 ppm TPH-G. <br /> 9114193 Excavated soil inoculated with bacteria and a bioremediation cell <br /> created as proposed in Soil Remediation Plan. <br /> 1119193 Reviewed Report which indicated clean groundwater conditions (26 <br /> feet), bioremediated soil from excavation nondetect, and only 1.7 ppm <br /> TPH-G remains at 1.7 feet. <br /> 2124194 Three monitoring wells destroyed under permit #002253 and soil spread <br /> on site. No further action required, site closure granted. <br /> I <br /> 1. <br />