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KLEINFELDER <br /> 2 The leachate elevation is then measured from a set location a surveyed mark on the north <br /> a conductivity-based <br /> water-level meter The level is generally measured from <br /> nm 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 cooler pending transport to the <br /> analytical laboratory The sample is logged on a chain-of-custody <br /> A-7 SURFACE <br /> 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 /> peristaltic pump, etc , or by directly fillidecontaminated n accordan <br /> gthe sample � ce wntainers ling ith theuabovet <br /> will either be disposable, dedicated or <br /> defined decontamination protocols <br /> 3 Care is taken not to disturb the stream bottom and introduce sediment in the sample The <br /> fluid is then poured into appropriate preserved or unpreserved bottles for the requested <br /> analysis <br /> 4 The sample is labeled and immediately stored ca custody <br /> analytical laboratory The cooler ending transport to the <br /> sample is logged on a cha no <br /> A-8 TANK REMOVAL SAMPLING <br /> A-8 1 Collection of Soil <br /> Sam les anaborator Anal sis <br /> Sail and water samples will be collected during theta removal <br /> iJPT alMpnualons andnthecTri-Regional <br /> ance with <br /> the current Leaking Underground ab California Regional Water Quality Control Board (RWQCB) <br /> Guidelines issued by th <br /> A Kleinfelder, environmental geologist will be on site during the <br /> t tank <br /> Tank excavation soil <br /> removal activities to <br /> collect soil samples for qualitative field screening and laboratory Y <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 ucket by be colleted usn g asoilslide <br /> in a <br /> clean brass tube with a clean hand trowel The so samples may also <br /> hammer fined with a clean brass tube with appropriate tlitension to reach the Teflon sheets and tight ifitt ng plpast g <br /> depth The collected brass tubes will then be sealed <br /> caps <br /> Page A-7 <br /> 28209 T061ST05R7 f 71LTV Iv June 23,2005 <br /> 111 2005,KleInfelder, Inc <br />