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Colorado Ui~lch Ii'etlanc~s Beach Test <br />Tech»~cal ~1len~oranc~rin~ <br />2.~ Weekly Collection of Water ~z~alityAligz~ots for Laboratory Analysis <br />For this bench test eight «eeks ~yorth of s~unple sets will be taken, August, 2006 thru October, 2006; <br />four «ater quality- aliquots will be obtained from all five cells, and the Colorado Gulch «ater holding <br />tank (head tank). The aliquots to be obtained include: Milieral Acidity- (MA), Sulfate, Total Metals <br />(TOTS, and Dissolved Metals (DISS). Justification for the selected parameters measured for this test <br />is described in Table 2. A duplicate sample and a field blank will be taken for ever- 20 samples <br />collected for Qualit<~ Assurance/Quality- Control (QA/QC) purposes. Appendix B contains the weeldv <br />sampling schedule to be conducted for the duration of this bench scale test. <br />Table 2 -List of Analytes of Interest <br />Matrii Analytes of Interest Pur ose of Measurement <br />Cell influent (Head Ca Estimate limestone consumption. <br />Tank) <br /> Total Metals (Al, Cu, Fe, Mir, Zn) Establish bench mark for estimating <br /> total metal removal efficiency. <br /> Dissolved Metals (Al, Cu, Fe, Mir, Zn) Establish bench mark for estimating <br /> dissolved metal removal efficiency. <br /> pH, ORP (oiidation-reduction Important design parameters. <br /> potential), specific conductivity, <br /> dissolved oiv_ gen, temperature, odor, <br /> color. <br /> Determine cell performance. <br /> Sulfate (SOS) <br />Cell effluent from Ca Estimate limestone consumption. <br />auziliai~- ports. <br />(Cells 1-~) Total Metals (Al, Cu, Fe, Mn, Zn) Determine cell performance. <br /> Dissolved Metals (Al, Cu, Fe, Mn, Zn) Determine cell performance. <br /> pH, ORP, specific conductivity, Determine cell performance. <br /> dissolved oxygen, temperature, odor, <br /> color <br /> Determine cell performance. <br /> Sulfate (SOS) <br />Aliquots collected for MA anal~-sis were collected in sample bottles supplied b5T ACZ. The aliquots <br />are grab samples taken directly from the discharge tubing by CMC NRM and/or TU personnel. <br />Samples for MA did not need to be preserved: therefore the~T ~yere immediately- contained in a 4°C <br />enviromnent until shipment. All MA samples are to be labeled accordiiigl~-, and shipped within the 14 <br />day holding time to ACZ Analytical Laboratoi-~-, Inc. Steamboat Spi7ngs, CO. <br />9 CMC NRM <br />