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r• ~ ~ l~ ~ ~ ~ ~ ~ ~ l~ ~ ~ ~ ~ ~ ~ ~ ~ <br />Speer Property Mine Permit /Environmental Sampling <br /> Colorado <br />Groundwater Analytical R esults (In ug/I) Drinking <br /> Analytical Method Water <br /> Reporting Detection Stds. <br />Chemical Class & Compound MW-1AS MW-2AS MW-3AS MW-4AS MW-5AS Limit Limit (ug/I) <br />Chlorinated Herbicides (EPA Method 8151 A) <br />2,4-D nd nd nd nd nd 4.0 0.300 i 70 <br />2,4-DB nd nd nd nd nd 4.0 0.860 <br />2,4,5-T nd nd nd nd nd 1.0 0.020 <br />2,4,5-TP (Silvex nd nd nd nd nd 1.0 0.010 50 <br />Dalapon nd nd nd nd nd 2.0 0.420 i 200 <br />Dicamba nd nd nd nd nd 2.0 0.050 <br />Dichlorprop nd nd nd nd nd 4.0 0.025 <br />Dinoseb nd nd nd nd nd 0.6 0.090 7 <br />MCPA nd nd nd nd nd 400.0 16.900 <br />MCPP nd nd nd nd nd 400.0 12.000 <br />Notes: <br />nd -not detected <br />J - Estimated result that is less than the Reporting Limit, but greater than the Method Detection Limit <br />P • The percent difference between the original and confirmation analyses is greater than 25 <br />PB -The percent difference between the primary and confirmation columns exceeds 50%. The primary column result is reported. <br />PA -The percent difference between the primary and confirmation columns exceeds 50%. The lower of the two values Is reported. <br />PC -The percent difference between the primary and confirmation columns exceeds 50%. <br />Groundwater Analytical Results, page 3 of 3 <br />