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=' BURLINGTON <br /> 1 Y ENVIRONMENTAL <br /> A Philip Environmental Company <br /> WELL PURGING <br /> Before sampling, standing water in the casing was purged from the monitoring well using <br /> a PVC hand bailer Samples were collected from the monitoring wells after a minimum of <br /> four casing volumes had been evacuated or the pH, electrical conductivity, and <br /> temperature had stabilized In the event that the monitoring well was purged until dry, the <br /> well was allowed to recover to withu180% of its static water level and sampled <br /> All field measurements were recorded in a waterproof field logbook Water sample field <br /> data sheets were prepared to record the field data These data sheets were reviewed by <br /> the sampling coordinator when the sampling event was completed <br /> ifi conductance and temperature meter were calibrated each da before <br /> The pH, specific � P Y <br />' beguiling field activities The calibration was checked once during the event to verify w <br /> meter performance All field meter calibrations were recorded in the field logbook <br /> Groundwater generated from well-purging operations was contained for temporary <br /> storage in 55-gallon drums All drums were labeled and stored onsite 1n a location <br /> designated by the client or client representative The sampler recorded the following <br /> information on the drum label for each drum generated <br /> Drum content (groundwater) <br /> • Source (well designation) <br /> • Date generated <br /> • Client contact <br /> Project number <br /> Name of sampler <br /> The groundwater will be stored onsite for a maximum of 90 days Burlington will notify <br /> the client when the water is ready for removal <br /> A-3 <br /> H 1C'r11021102QR02 DOC <br />