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' h" KLEINFELDER <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, 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 /> A-8 TANK REMOVAL SAMPLING <br />' A-8 I 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 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 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 /> 20-4439-01 E02 1 2011 R355 Page 8 of 9 <br /> Copyright 2001, Kleinfelder Inc April 2,2001 <br />