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<br />3.3 PORB YOLUMS COLLECTION AND ANALYSIS <br />As mentioned previously five pore volumes would be 'collected <br />from each column. The first pore volume would probably becomposed <br />of the interstitial tailings liquor being displaced by thlhe wetting <br />front of simulated rainwater/snowmelt. Therefore the se~ond pore <br />volume would be composed of leachate produced by the inter ction of <br />the simulated rainwater/snowmelt and the tailings solid It is <br />proposed to test the first, second and fifth pore volumes rom each <br />column. These specific pore volumes would be tested for the ~ollowinq <br />parameters: <br />DH, Conductivity, Major Cations (calcium, Magnesium, P tassium, <br />Sodium), Major Anions (Alkalinity, Ammonia, Bic rbonate, <br />Carbonate, Chloride, Fluoride, Sulfide, Nitrate, Nitrite, <br />Sulfate), Total Dissolved Solids, Total, Free, add N.A.D. <br />Cyanide, plus the following dissolved metals: <br />Aluminum, Arsenic. Barium. Baron, Cadmium, (Chromium <br />(total), Copper, Iron, Lead, Manganese, ,Mercury, <br />Molybdenum, Nickel. Selenium, Silver 4 Zinc <br />4.0 COM![FIlTS <br />This testing program is intended to be a guideline for themodelinq <br />to be performed with these columns. During the operation of the columns, <br />observations will be made regarding the behavior of the s lids and <br />leachate. Changes, additions and deletions will be made to the D ogram as <br />the testing progresses based on these observations. <br /> <br />