Laserfiche WebLink
,F <br /> 11 November 2004 <br /> AGE-NC Project No 99-0624 <br />' Page 13 of 13 <br />' extraction A constant ground water pumping rate (approximately 5 gallons per minute) will be <br /> utilized from the ground water extraction well during the aquifer pump test to achieve optimum <br /> draw-down influence <br />' Grab water samples will be collected at 6-hour intervals and submitted to a DHS-certified laboratory <br /> to be analyzed for the following constituents <br />' • TPH-g in accordance with EPA Method 8015 Modified/5030, and <br />' • BTEX, MTBE, TAME, DIPE, ETBE, TBA, 1,2-DCA and EDB by EPA Method 8260B <br /> Laboratory reports for ground water analysis, testing methods, laboratory QA/QC reports, and <br />' sample chain of custody documentation will be presented in a report with findings and <br /> recommendations <br />' Purged ground water will be containerized in an on-site 10,000-gallon Baker tank, following the 24- <br /> hour pump test, a composite "grab" ground water sample will be collected from the Baker tank to <br /> M analyze for TPH-g,BTEX,MTBE,TBA,TAME,DIPE,ETBE,EDB and 1,2-DCA by EPA Methods <br /> 8015M and 8260B The purged ground water will be transported under non-hazardous waste <br /> manifest off-site to an appropriate disposal facility <br /> 1 <br /> 5 7 EQUIPMENT DECONTAMINATION <br /> All sampling tools used for sample collection will be thoroughly rinsed with clean water after being <br /> washed in a solution of Alconox All down-hole drilling equipment will be pressure washed prior <br /> I to starting each boring Cuttings generated during drilling and ranseate generated during drilling and <br /> ground water sampling activities will be containerized in properly labeled DOT-approved 55-gallon <br /> drums, and stored on-site in an area lacking public access Disposal alternatives will be evaluated <br /> based on results of soil and water analysis <br /> r <br /> i <br /> • <br /> Advanced GcoEnvironmental,Inc <br /> I <br />