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k'9 KLEINF <br /> ELDER <br /> 4. After the sample is collected, the lysimeter vasted to evaluate pot ntial leaksum is reset to the rthat <br /> recommended value. The lysimeter is also to <br /> may cause vacuum pressure loss. <br /> B-6 Leachate Monitoring <br /> 1. The leachate riser or wells are first opened and allowed to equilibrate with the <br /> atmosphere. <br /> nduc <br /> ity- <br /> 2. The leachate elevation is then measured from a using <br /> a surveyed mark <br /> based water-level meter. The level is generally measured from <br /> on the north rim of the casing. <br /> 3. A leachate sample is then collected using a clean, disposable bailer. <br /> 4. The sample is labeled and immediately stored in an iced cis ooler peggednding <br /> transport to the analytical laboratory. <br /> chain-of-custody. <br /> B-7 <br /> Surface Water Monitorin <br /> 1. Prior to collecting surface water samples, the depth of water is estimated at a <br /> designated location in the surface water body. <br /> 2. Surface water samples are collected directly from the stre <br /> bailers baileror , coliwasaace r <br /> 1 plastic bodisposable <br /> using a clean unpreserved p <br /> Dipstik TM, dipper, peristaltic pump, etc., or by directly filling the sample <br /> containers. Sampling equipment will either be disposable, dedicated or <br /> decontaminated in accordance with b the above-definedtream °� ettom andtantrodui�e <br /> protocols. Care is taken not to distur <br /> sediment in the sample. The fluid is thee) poured into appropriate preserved or <br /> unpreserved bottles for the requested analysis. <br /> 3. The sample is labeled and immediately storedThe in an iCe s to cooler edpeoding <br /> transport to the analytical laboratory. <br /> chain-of-custody. <br /> B-8 TANK REMOVAL SAMPLING <br /> B-8.1 Collection of Soil Samples and Laboratory Analysis <br /> Soil and water samples will be collected dug the tank removal operations in <br /> Fuel Tank Field (LUFT) Manual and <br /> accordance with the current Leaking Underground <br /> the Tri-Regional Guidelines issued by the California Regional Water Quality Control <br /> Board (RWQCB). <br /> Page B-7 <br /> 58671.E01/ST05R1127/DH:ly September 15, 2005 <br /> ©2005 Kleinfelder, Inc. <br />