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1* <br />no <br />APCD The air sparge and associated vapor extraction system will continue to operate until the following <br />Groundwater Remediation Levels for benzene and MTBE are achieved <br />On-site soil remediation will be considered complete when either influent concentrations become <br />asymptotic, total influent VOC concentrations are less than 500 ppmv, or the following Soil Remediation <br />Levels for TPHg, BTEX and MTBE are achieved <br />Soil Remediation Levels SRLs <br />Constituent <br />Target Concentration m /k <br />TPHg <br />100 <br />Benzene <br />0 1 <br />Toluene <br />10 <br />Eth lbenzene <br />100 <br />Total X lents <br />100 <br />MTBE <br />10 <br />Groundwater Remediation Levels GRLs <br />Constituent <br />Target Concentration /L <br />TPHg <br />1,000 <br />- - F i;nzene - <br />10 <br />Toluene <br />150 <br />Eth lbenzene <br />700 <br />Total Xylenes <br />1,750 <br />MTBE <br />13 <br />10.4 Reporting <br />Remediation progress reports will be prepared quarterly and submitted to the regulatory agencies Each <br />report will detail remediation and monitoring activities conducted during the quarter and planned <br />activities for the next quarter The data collected each quarter will be presented in historical tables and <br />figures These Quarterly Remediation Progress Reports will be submitted within 30 days after the end of <br />each quarter <br />11.0 ASSUMPTIONS <br />• ATC will not be responsible for any unforeseen conditions <br />• ATC shall have unrestricted site access and will not be limited to specific working hours <br />• The protect schedules do not include allowance for delays or standby time due to inclement weather, <br />facility access restrictions or other factors beyond the control of ATC <br />• Nothing contained within this CAP shall be construed or interpreted as requinng ATC to assume the <br />status of a generator, transporter, storer, treater, or disposal facility as those terms appear within the <br />EZ 100966 CAP <br />S FEZ ServelEZ 1009661Reports1100966CAP <br />23 <br />ATC Associates Inc <br />ATC Project No 43 25827 0026 <br />