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k'9 KLEINFELDER <br /> 4 The residual pressures are measured dust prior to collecting the sample The <br /> water line is then opened and nitrogen gas applied to the air line until either fluid <br /> or air is discharged (for dry lysimeters) The sample is contained in a 1 liter <br /> unpreserved bottle and the volume recovered is estimated The fluid is then <br /> poured into appropriate preserved or unpreserved bottles of the requested <br /> analysis <br /> 5 After the sample is collected, the lysimeter vacuum is reset to the manufacturer's <br /> recommended value The lysimeter is also tested to evaluate potential leaks that <br /> may cause vacuum pressure loss <br /> iA-6 LEACHATE MONITORING <br /> 1 The leachate riser or wells are first opened and allowed to equilibrate with the <br /> atmosphere <br /> 2 The leachate elevation is then measured from a set location using a conductivity- <br /> based water-level meter The level is generally measured from a surveyed mark <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 cooler pending <br /> transport to the analytical laboratory The sample is logged on a <br /> chain-of-custody <br /> A-7 SURFACE WATER MONITORING <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 stream or surface water <br /> using a clean unpreserved plastic bottle, disposable bailer, bailer, coliwasa, <br /> DipstikTM, 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 the above-defined decontamination <br /> protocols <br /> 3 Care is taken not to disturb the stream bottom and introduce sediment in the <br /> sample The fluid is then poured into appropriate preserved or unpreserved <br /> bottles for the requested analysis <br /> 4 The sample is labeled and immediately stored in an iced cooler pending <br /> transport to the analytical laboratory The sample is logged on a <br /> chain-of-custody <br /> 28209 T09/ST05R1454/DH Iv Page A-7 <br /> 0 2005, Klenfeider, Inc !November 30, 2005 <br />