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' NOA Drywell Closure and Investigation Work Plan Page 13 of 16 <br /> ' March 18, 2014 <br /> Revised March 20, 2014 <br /> 4.8.3 Chain of Custody <br /> A chain of custody will be filled out and signed by the person responsible for the collection of <br /> samples, either NOA or a third party. The sample number, date and time of collection, location, <br /> sample type, preservative used (if any), analysis required, and the sampler's initials will appear <br /> on all chain of custody documents. <br /> 4.9 Sample Transportation <br /> The sample containers will be tightly sealed and labeled; the label will show the sample I.D. <br /> ' number and other pertinent information. The filled sample containers will be placed on ice after <br /> collection. Samples will be picked up by the laboratory, McCampbell Analytical Inc. Samples will <br /> be transported under chain of custody documentation to McCampbell Analytical, Inc. in <br /> ' Pittsburg, California by McCampbell staff as soon as practical after collection. Sample packaging, <br /> labeling and transportation will follow the Department of Transportation regulations. <br /> 4.10 Waste Management <br /> As stated in Section 3.3.2, drill cuttings and decontamination water will be properly <br /> containerized and stored as necessary during site activities. Disposal methodologies will be <br /> ' contingent upon field observations and/or analytical results. Laboratory samples will be <br /> disposed of by the analytical laboratory in accordance with their established protocols. <br /> 5.0 ALTERNATIVE DISPOSAL OF INDUSTRIAL WASTE FLUIDS <br /> ' 5.1 Current Curing System <br /> Curing is the attainment and preservation of an adequate temperature and moisture content in <br /> concrete so that the desired properties may develop. Curing has a significant effect on the <br /> properties of finished concrete. Concrete test specimens are cured at NOA's Lodi Office. The <br /> curing method used is a Fog Curing Concrete System in which a fine fog mist is frequently <br /> applied to concrete samples inside of a closed, high humidity room Concrete Cure Room. This <br /> system was disabled by NOA on March 6, 2014. <br /> ' 5.2 Current Curing System Waste Fluids Disposal <br /> The waste fluids from the Concrete Cure Room were being discharged via a floor drain into two <br /> (2) on-site drywells. The floor drain is located in the northeast corner of the Concrete Cure <br /> ' Room. The drain pipe discharge line extends to approximately 17 inches bgs beneath the <br /> building footings, runs six (6) feet due east, then discharges into the two (2) drywells. The <br /> drywells are located approximately three (3) feet due east of the drain, in the paved exterior <br /> ' portion of the Site. The discharge was stopped by NOA on March 6, 2014. <br /> 902 Industrial Way•Lodi,CA 95240.209.367.3701 •Fax 209.369.4228 02014 Neil 0.Anderson&Associates,Inc <br />