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26 October 2000 <br /> AGE-NC Project No 95-0128 <br /> Page 10 of 10 <br /> Electricity Is readily available to the site A dedicated�d�cal' eter will be installed by <br /> representatives of P G & E that will connect directly to the pump and treat system <br /> 4 4 2 Discharge Piping System <br /> AGE plans to install a 4-inch diameter, schedule 80 polyvinylchloride (PVC) pipe underground <br /> along the west side of the site to the City of Stockton discharge lane located In Rose Marne Lane (see <br /> Figure 5) AGE anticipates a continuous discharge of treated ground water from site to the City of <br /> Stockton sanitary sewer at a flow rate of approximately four to sax gallons per minute <br /> 4 4 3 Ground Water Extraction Monitoring Activities <br /> The pump and treat system will be monatoreQe.ekl, to ensure optimal removal of dissolved <br /> petroleum hydrocarbons The ground water influent and effluent flow readings will be recorded <br /> before the GAC filter-media phase Grab treatment water samples and an exhaust vapor sample will <br /> be collected on a ba-weekly basis from the Influent and effluent end of the pump and treat system <br /> The samples will be collected and transported to a DHS-certified laboratory, an a chilled container <br /> under ace, for water samples, and under chain-of-custody procedure <br /> During the-".,`start-u " peso for the ground w extraction system, operational parameters and <br /> ground water sam les wl e collected on a daily basis The anticipated start-up period will be <br /> approximately two wee d ted r d water level pressure transducers ill be installed <br /> in the extraction and two adaitaonal shallow ground water monitoring wells Ba-Monthly data will <br /> be collected from the ground water level transducers <br /> Samples will be obtained and analyzed from the discharge to evaluate the effectiveness of the <br /> treatment system If the analytical results do not indicate the detection of hydrocarbon compounds, <br /> AGE will request the City to allow continuous discharge directly from the treatment system into the <br /> sanitary sewer conveyance <br /> i <br /> Advanced GcoEnvironmental,Inc <br />