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Disposal Of Purge Water <br /> Only very low levels of either metallic or organic contaminants have been detected in some of <br /> the wells downgradient of WMU A. Because these levels are very"low, there is not su iei mt <br /> reason to containcrize, the purge water. Should the analytical results indicate a need to <br /> container't2e,the following procedure will be <br /> Sample purge water generated during Well purging, and excess water geneiated during <br /> sampling, will be placed in a traller mounted tank attached to- the sampling vehicle. <br /> - When the tank is f dl,.tttc groundwater will be pumped,from the tank to an onsite leachate <br /> evaporation pond. After the groundwater ling round is completedelle tank wfil be <br /> filled with approximately 1.00 gallons of water from the water truck SII station_•' <br /> water will then be recirculated in the tank and pump to manse the System The rinse water <br /> will then be discharged to the leachate-e ration pond-- <br /> Domestic Wcdl <br /> The domestic welt sampled (DW-9,690) contains_a_submcrsible pump with:an iu-line <br /> Pressure _ <br /> -- tank and switch to activate the pomp once-ti -drops below-a certain values.Thc_sample <br /> point for-DW-9,690 was•ai of dirccd attached to the <br /> SP $ Y F tank. Water samples were not <br /> collected dircaly from the-well bccausc the- abovcground plumbing and submersible punTs - <br /> would need-to be removed. Friar to collecting the , samples,the pump was.allowed to itm " <br /> for approximately 30 minutes ta purge the water system and draw groundwater from-the aquifer_ <br /> During sampling, the pumps cycled on-off becwase the pumping rate exuded the spigot <br /> awe, " <br /> LAN.DFiLL GAS <br /> Landfill gas monitoring at Forward Landfill consists of monitoring gas in the ten interim gas <br /> probes and in buildings located at the landfill h&tty <br /> --� 23483844-FO1\231OR325 A-11 July 14,2000 <br /> cAvr ZQoo xi, ,� <br />