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20 December 1998 <br /> AGE-NC Project No. 9.7-0312:1 ; b' <br /> Page 7.of 7 <br />.�� s 4.7.2: Sample Collection. Y. <br /> ,' - _ - - - - . ,. : • _ _ , � .ice. - -.. �:. <br /> Water samples will be collected froin the moiutoring well using a ri'ew d�sposahle polyethylene bailer <br /> and,placed into laboratory=supplied-containers. Groundwater samples-for'TPH g;"BTEX;-and <br /> 'i oxygenates analyses will.be collected into'40-ml.VOA-vials c6ntaining.0;5-m1`18%hydrochloric <br /> .acid as preservative. Sample`s for TPH-d.analysis will be'collected into unpreserved 1.=liter amber <br /> glass containers.Following collection,the samples will be iabeled;-placed on ice and kept in a.cooler, <br /> until delivered to the laboratory'for analysis. Chain-of-custody•protocolswill-be'Lised'to_document _ <br /> - sample custody transfer from the field to,the analytical laboratoiy: "} <br /> ti <br /> y 4.8. -I EQUIPMENT DECONTAMINATION .._` - cr <br /> Y All sampling tools used for sample collection will be'thoroughlyjrinsed with clean water-after being <br /> washed with a solution:of Alcoriox. Drilling augers will be pressure washed priof to=starting:each <br /> _. boring. <br /> . 4.9. LABORATORY ANALYSIS <br /> ar <br /> Selected soil-and.ground Waterrsainples.will be transported to a-DHS c_ drtified laboratory` and <br /> analyzed for,the,following constituents. ' , rt i <br /> h77, . <br /> TPH-g,and eTPH d by.EPA Method 8015_ Modified/5030, <br /> 4` BTEX by.EPA Method'8020, and' <br /> - �µ <br /> • Fuef-oxygenates including�MTBE, TBA, DIPS; ETBE andTAME by EPA Method'8260 <br /> :Advanced Geo Environmental,Inc. <br />