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Composite vapor samples will be collected by connecting a vacuum pump <br /> 1 to the sample port located before the dilution valve on the blower units and <br /> filling a Tedlar bag Vapor samples from the individual vent wells will be <br /> collected by connecting the vacuum pump to the sample port located on <br /> the individual vent lines The vacuum pump will run for approximately one <br /> minute before attaching the bag to purge the pump The Tedlar bag will be <br /> filled to approximately 75% of its volume to allow for vapor sample <br /> 1 expansion Samples will be analyzed for benzene, toluene, ethylbenzene, and <br /> total xylenes(BTEX) by USEPA Method 8020 and total petroleum <br /> hydrocarbons(TPH)by USEPA Modified Method 8015 <br /> 3.4 Monitoring Well Development, Sampling, and Sample Analysis <br /> Groundwater samples will be collected quarterly from wells MW-1, MW-9, <br /> MW-10, MW-11, MW-12, and MW-13 during system operation <br /> Groundwater monitoring wells will be purged by pumping until the pH, <br /> conductivity, temperature, and turbidity of the water has stabilized for a <br /> mimmum of three measurements A minimum of three casing volumes of <br /> 1 water will be removed during purging <br /> Within 24 hours after purging, groundwater samples will be collected from <br /> each of the wells Samples will be collected for laboratory analysis for <br /> BTEX by USEPA Method 8020 and TPH as gasoline by USEPA Modified <br /> Method 8015 Samples will be collected with a disposable polyethylene <br />' bailer that was pre-cleaned at the factory In addition, one trip blank and <br /> one field duplicate will be collected for QA/QC <br /> 3.5 Reporting <br /> IQuarterly reports, summarizing the system operation, laboratory analytical <br /> results, and remediation trends will be prepared The reports will include a <br /> description of the mayor activities during the reporting period and identify <br /> any modifications made to the system <br /> 3.6 Waste Management <br />' Wastes generated during the construction and operation of the proposed <br /> system include drilled soils, excavated soils, well purge water, condensate <br /> from the moisture separators, and spent GAC <br /> Augured soil cuttings will be temporarily stockpiled on site pending proper <br /> disposal Because the shallow soils at the facility are not known to be <br /> impacted, excavated soils are planned to be stockpiled and re-used as <br /> Final Remediation Plan <br /> Prepared for RAINHO RAKING COMPANY $ Prepared by Burlington Environmental Inc <br /> E\1 21382U 2599TTESTEVAL DOC 211/95 <br />