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KLEJNFELDER <br /> I <br /> A-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, cohwasa, DipstikTM, dipper, <br /> jperistaltic 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 /> NA-8 TANK REMOVAL SAMPLING <br /> A-8.1 Collection of Soil Samples and Laboratory Analysis <br /> Soil and water samples will be collected dunng the tank removal operations in accordance with <br /> ' the current Leaking Underground Fuel Tank Field (LUFT) Manual and the Tri-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 Iaboratory 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 /> t depth The collected brass tubes will then be sealed with Teflon sheets and tight fitting plastic <br /> caps <br /> I <br /> 28699 E01 /ST03R627 Page A-9 <br /> ' Copyright 2003,Kleinfelder,Inc April 22,2003 <br />