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PPR-Ib-8b !Uh 13:4b KLh11tLLUhK rhA nU, cuuottoVUr-1 , , VV <br /> xLEINFELQER <br /> Task 2- Collection of Groundwater Samples <br /> Klein.felder will collect samples frorn three monitoring wells at the site (MW-1, MW-2, and <br /> MW-3) for two quarterly events. The -wells will be purged and samples will be collected as <br /> do scribed in Attachment A, Section A-3. <br /> One trip blank will be submitted for analysis with the three primary groundwater samples dujing <br /> each event- Trip bla ks provide au assessment of whether compounds were introduced into the <br /> simples during sample transport or during handling and analysis at the laboratory. <br /> Task 3-1,aboaratory A.rtalysis and Database Management <br /> The tl tree groundwater sampIcs and one trip blauk from each event will be submitted under <br /> chain-of-custody to Sequoia Analytical Laboratories. This laboratory is certified by RPA audlor <br /> the State of Caiiforpia for the proposed analyses. The three samples will, be analyzed for. <br /> Total Put•geable Petroleum Hydrocarbons (Gasolmr, Range) by EPA Method <br /> 8015.M/503() [TPH••CJ <br /> 'Serene, Toluene,Ethylbenz=,and Xylem by EPA.Method 80201602 [BTEM <br /> Total E ai;table Pettoleum Hydrocarbons (Diesel Range) by EPA Method <br /> 8015NVIO50 FFH-DI <br /> The samples will be analyzed on a regular turnaround schedule, usually requiring two or three <br /> wc,eks for contpletion. <br /> 'ask 4-Prepare Report of Mind' gs <br /> Upon completion of each round of sampling and receipt of analytical results, a report of findings <br /> will be prepared for client roview. The report will include-, <br /> 0 Tabulated results of groundwater monitoring with copies of certified analytical laboratory <br /> results. <br /> Estimates of groundwater gradient dixection and water table contour maps for the <br /> monitoring event(as available). <br /> • Description and documentation of QA/QC procedures employed for field and laboratory <br /> work. <br /> Upon review r-wd approval by Tracy Community Memorial Hospital tho reports will be submitted <br /> to Mr, Ron Rowe of the Scan Joaquin;County public Health Services Department Environmental <br /> Health Division(P11S1Fa;HD)- <br /> 201 YP4054/01950046(1995) Page 7W 5 March 21, 1995 <br /> Copyright 1995 Klolnfolder,Inc. <br />