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1 Il <br /> SIERRA <br /> Clint Rogers Page 6 <br /> October 30, 1991 <br /> SES Project #1-146-01 <br /> Information from previous work conducted at the site indicates that 0 020 slotted well <br /> screen for the monitoring well and #3 sand for gravel pack around the well screen is appropnate <br /> Task 5 -Well Development, Ground Water Sampling and Analysis <br /> The monitonng well will be developed no sooner than 48 hours after drilling with a vented <br /> surge block and over pumping in accordance with the SES Standard Operating Procedure - Well <br /> Development (Appendix C) Ground water will be removed from the well using a submersible <br /> pump Ground water removed from the well will be temporarily stored on-site in 55-gallon DOT- <br /> approved drums <br /> The ground water sample will be collected from the well no sooner than 24 hours after <br /> development in accordance with SES Standard Operating Procedure -Water Sampling (Appendix <br /> C) The evacuated water will be stored on-site in 55-gallon drums <br /> The water sample will be collected using steam-cleaned teflon bailers Sample containers <br /> will be obtained from the analytic laboratory prior to sampling The water sample will be decanted <br /> in sample containers, labeled and refrigerated for transport to the laboratory Chain of custody <br /> records will be maintained for the sample <br /> A bailer blank will be prepared at the site and a trip blank will accompany the samples to <br /> the laboratory Both the trip blank and the bailer blank will be analyzed for TPPH(G) and BTEX <br /> The ground water sample from the well will be analyzed for TPPH(G) and BTEX by EPA <br /> Method 5030/8015 and EPA Method 602, respectively In addition, the ground water sample will <br /> be analyzed for orgaruc lead by the DHS LUFT method All QA/QC data from the laboratory will <br /> be included in the subsurface investigation report <br />