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20 December 2000 <br /> AGE-NC Project No. 95-0100 <br /> Page 8 of 8 <br /> 4.3.4. Sample Handling - <br /> Ground water samples will be collected into laboratory supplied containers. Ground water samples , <br /> for BTEX, TPH-g, and oxygenates analyses will be collected into 40- milliliter(ml) volatile organic;. . <br /> analysis (VOA) vials containing 0.5-ml=-of hydrochloric acid -as-sample preservative. Following: <br /> collection the samples will be placed on ice.and kepfin a cooler-until delivered to the laboratory.for <br /> analysis. Chain-of-.custody protocols will be used-to-document sample custody.transfer from.the field <br /> to the analytical laboratory.A chain-of custody form will accompany the same-les. <br /> 4.4. EQUIPMENT DECONTAMINATION - - <br /> All sampling tools used for sample collection will be thoroughly rinsed with.clean water after being .: <br /> washed with a solution of Alconox.Hollow-stem augers will be steam-cleaned 'prior to each boring. <br /> All down-hole drilling equipment will be pressure washed prior to starting each"boring'.: <br /> All tools used for-ground water sample collectio-i; except for A spo sable-bailers, will be thoroughly <br /> rinsed with a solution of Alconox and cle'a'n-water. Decontamination water generated during the <br /> ground water sampling activities -will-'be contained in DOT-approved drums:which will be <br /> appropriately labeled for storage.Drums containing decontamination-water will.be stored on-situ <br /> pending appropriate removal and disposal: - - . <br />