Laserfiche WebLink
30 November 2000 <br /> AGE-NC Pro iect No. 99-0645 <br /> Parse 9 o f 9 <br /> 4.4.3. Sample Withdrawal <br /> Neuter samples will be collected from the monitoring wells using disposable polyethylene hailer. <br /> These bailers are disposed ofafter one use and r'equirc no decontanainatinu. thereby minimiAm, cross <br /> contamination due to sampling devices. Samples will he drawn and collected in such a manner that <br /> agitation and exposure ofthe oround water to the atmosphere is minimal. Sample containers will be <br /> tilled LS11, the appropriate disposable sampling attachment which allows controlled flow out of the <br /> bottom of the hailer by liftin"I Ftp on the clleck valve. <br /> 4.4.4. Sample Ilandline <br /> Ground water samples will he collected into laboratory supplied containers. GrOUnd water saml lcs <br /> to he analyzed for TPH-g. 13"IT"X and fuel additives will be collected into 40-ml volatile organic <br /> analysis (VOA) Vials containing 0.5-ml of hydrochloric acid as preservative. Following collection. <br /> the samples will be placed on ice and kept in a cooler until delivered to the laboratory for analysis. <br /> Chain-of-custody protocols will be used to doerin7ent sample custody transfer from the field to the <br /> analytical laboratory. A chain-Of=custody form will accompany the samples. <br /> 4.�. LQL!IPMI:N l 1)1;C'ONTAMINA'fION;/kk /\S-I-E MANAGLMENT <br /> All sampling tools used for sample collection, except for disposable hailers, will be thorou11hly <br /> rinsed \kith clean water after benwwashed with a solution of Alconox. All down-hole drilling <br /> cquipment will be pressure washed prior to starting each borinl1. <br /> Decontamination water generated during the ground water sampling activities will be contained in <br /> DOT-approved drums which will be appropriately labeled for storage. Drun7s containing <br /> decontamination .nater will he stored on-site pending appropriate removal and disposal. <br /> Irhunccrl GeuE:ncirnnmcnlal,Inc. <br />