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8.2.1 Duplicate Samples <br /> Duplicate samples are collected to check for the natural sample variance and the <br /> consistency of field techniques and laboratory analysis. Duplicate samples are collected <br /> side-by-side with primary samples. For ground and surface water sampling, a duplicate <br /> sample will be collected when collecting the primary sample. Primary sample bottles <br /> will be collected first and then the duplicate sample bottles for the same analysis will be <br /> collected until all necessary sample bottles for both the primary and duplicate samples are <br /> filled. Different filter and tubing will be used for the primary and duplicate samples. The <br /> duplicate water sample will be handled in the same manner and analyzed for the same <br /> parameters as the primary sample. The duplicate sample will be assigned the QA/QC <br /> identification number "02," stored in an iced cooler, and shipped promptly to the <br /> laboratory so that analyses can be performed within required holding times. One <br /> duplicate sample will be collected quarterly per sampling episode. <br /> 8.2.2 Field Blanks <br /> Field blanks will be collected by filling sample containers in the field with deionized <br /> water. The sample will be assigned the QA/QC identification number "03," stored in an <br /> iced cooler, and shipped to the laboratory with the other samples. One field blank will be <br /> collected annually. The collection of one ground water and one surface water field blank <br /> is anticipated. <br /> 8.2.3 Rinsate Samples <br /> An equipment rinsate sample of sampling equipment will be collected to check if <br /> decontamination procedures have been effective. For the well sampling operation, a rinsate <br /> sample will be collected from the decontaminated sampling equipment(bailer or pump)and <br /> filter equipment before using it to obtain the sample. A rinsate sample will be collected for <br /> ground water sampling by transferring the final deionized water rinse that is pumped <br /> through the discharge hose into sample bottles. A rinsate sample will be collected for <br /> surface water sampling by transferring the final deionized water rinse from sampling <br /> equipment into sample bottles. The same parameters that will be analyzed in the ground and <br /> surface water samples will be analyzed in the rinsate samples. The rinsate sample will be <br /> Loveland Ready-Mix Concrete,Inc. 5 Telesto Solutions,Inc. <br /> 20180227 vE,«te_g.._.ep ro I docx February 2018-REV1 <br />