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h4 KLEINFELDER <br /> clean brass tube with a clean hand trowel. The soil samples may also be collected using a slide <br /> hammer lined with a clean brass tube with appropriate extension to reach the desired sampling <br /> depth. The collected brass tubes will then be sealed with Teflon sheets and tight fitting plastic <br /> caps. <br /> A-8.2 Collection of Water Samples and Laboratory Analysis <br /> If water is encountered in the excavation after the tank is removed, a representative sample will <br /> be collected for laboratory analysis. The tank excavation may be purged and allowed to refill <br /> before sampling. The water sample will be collected using a clean disposable bailer with new <br /> nylon cord. The bailer will be retrieved and the water will be contained in appropriate bottles <br /> supplied by the analytical laboratory for the requested analysis. <br /> In accordance with the Tri-Regional Guidelines one water sample will be collected from the tank <br /> excavation. The water sample will be delivered under chain-of-custody procedures to a state <br /> certified laboratory. <br /> 50890.E0I/ST05R358/JDZ:ly Page A-8 <br /> 0 2005,Kleinfelder,Inc. April 29,2005 <br />