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w <br /> k1l KLEINFELDER <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 cooler pending transport to the <br /> ' analytical laboratory The sample is logged on a chain-of-custody <br /> 1 <br /> B-7 SURFACE WATER MONITORING <br /> 1 Prior to collecting surface water samples, the depth of water is estimated at a designated <br /> location in the surface water body <br /> ' 2 Surface water samples are collected directly from the stream or surface water using a <br /> clean unpreserved plastic bottle, disposable bailer, bailer, coliwasa, DipstikTM, dipper, <br /> ' peristaltic pump, etc , or by directly filling the sample containers Sampling equipment <br /> will either be disposable, dedicated or decontaminated in accordance with the above- <br /> defined decontamination protocols Care is taken not to disturb the stream bottom and <br /> ' introduce sediment in the sample The fluid is then poured into appropriate preserved or <br /> unpreserved bottles for the requested analysis <br /> ' 3 The sample is labeled and immediately stored in an iced cooler pending transport to the <br /> analytical laboratory The sample is logged on a chain-of-custody <br /> i <br /> 13-8 TANK REMOVAL SAMPLING <br /> ' B-8 1 Collection of Soil Samples and Laboratory Analysis <br /> ' Soil and water samples will be collected during the tank removal operations in accordance with <br /> the current Leaking Underground Fuel Tank Field (LUFT) Manual and the Tn-Regional <br /> Guidelines issued by the California Regional Water Quality Control Board (RWQCB) <br /> A Kleinfelder, environmental geologist will be on site during the tank removal activities to <br /> collect soil samples for qualitative field screening and laboratory analysis Tank excavation soil <br /> samples will be obtained by scraping the sidewalls or excavation bottom at the desired locations <br /> with the backhoe bucket Samples will then be collected from the bucket by packing soil in a <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 /> B-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 /> 28699 E01 /ST03R793 Page B-7 <br /> CopynEght 2003,Klemfelder, Inc July 21,2003 <br />