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JOESC <br />L•A•9 S•C-I- E•N•C,E-S <br />Mclen 6 Associates, LLC <br />Mark Molen <br />2090 East 104th Avenue Suite #205 <br />Thornton, CO 802 23 <br />Quality Assurance Report <br />Level TI <br />L541999 <br />1 2065 Lebanon Rd. <br />Mt. Juliet, TN 37122 <br />(615) 758 -5858 <br />1- 800 - 767 -5859 <br />Fax (615) 758 -5859 <br />Tax I.D. 62- 0814289 <br />Est. 1970 <br />October 25, 2011 <br />Analyte Units Result Duplicate RPD Limit Ref Samp Batch <br />Specific Conductance _ umhos /cm 3.20 3.10 2.23 20_ L541618 -02 WG561585 <br />1585 <br />Barium <br />mg /l <br />0.02 20 <br />0.02 23 <br />0.893 <br />20 <br />L541655 -05 <br />1149 <br />Arsenic <br />mg /l <br />0.000550 <br />0.000610 <br />10.3 <br />20 <br />L54 2000 -01 <br />WG561149 <br />Beryllium <br />mg /1 <br />0 <br />0 <br />0 <br />20 <br />L542000 -01 <br />WG561149 <br />Cobalt <br />mg /1 <br />0 <br />0.000600 <br />NA <br />20 <br />L541655 -05 <br />1149 <br />Copper <br />mg /l <br />0 <br />0.00108 <br />NA <br />20 <br />L542000 -01 <br />WG561149 <br />Lead <br />mg /l <br />0.00120 <br />0.00112 <br />6.06 <br />20 <br />L542000 -01 <br />WG561149 <br />Potassium <br />mg /l <br />6.20 <br />6.12 <br />1.30 <br />20 <br />L541655 -05 <br />1149 <br />Thallium <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L542000 -01 <br />WG561149 <br />Zinc <br />mg /1 <br />0.0120 <br />0.0140 <br />12.1 <br />20 <br />L542000 -01 <br />WG561149 <br />pH <br />su <br />6.60 <br />6.60 <br />0.151 <br />1 <br />L541971 -01 <br />WG561202 <br />Sulfate <br />mg /l <br />200. <br />200. <br />1.01 <br />20 <br />L541991 -01 <br />1244 <br />Specific Conductance _ umhos /cm 3.20 3.10 2.23 20_ L541618 -02 WG561585 <br />1585 <br />Barium <br />mg /l <br />0.02 20 <br />0.02 23 <br />0.893 <br />20 <br />L541655 -05 <br />WG561228 <br />- <br />-- <br />- - - -- <br />- - - <br />- - <br />1228 <br />Chromium <br />mg /l <br />0 <br />0.00110 <br />NA <br />20 <br />L541655 -05 <br />WG561228 <br />Cobalt <br />mg /1 <br />0 <br />0.000600 <br />NA <br />20 <br />L541655 -05 <br />WG561 ^28 <br />- - <br />-- - <br />- <br />- <br />- <br />1.,-8 <br />Nickel <br />mg /1 <br />0 <br />0 <br />0 <br />- - 10 <br />L541655 -05 <br />WG561228 <br />Potassium <br />mg /l <br />6.20 <br />6.12 <br />1.30 <br />20 <br />L541655 -05 <br />WG561223 <br />- <br />- -- <br />- <br />- <br />- <br />- - IffINNIIJIVOW <br />1228 <br />Sodium <br />mg /l <br />7.90 <br />7.83 <br />1.02 <br />20 <br />L541655 -05 <br />WG5612 28 <br />Vanadium <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L541655 -05 <br />WG561228 <br />Sulfate <br />mg /l <br />200. <br />200. <br />1.01 <br />20 <br />L541991 -01 <br />WG561691 <br />Sulfate <br />mg /1 <br />250. <br />260. <br />3.52 <br />20 <br />L541991 -06 <br />WG561691 <br />Antimony <br />mg /1 <br />0 <br />0 <br />0 <br />-20 <br />L542227 -01 <br />WG561493 <br />Arsenic <br />mg /1 <br />0 <br />0.000670 <br />NA <br />20 <br />L542227 -01 <br />WG561493 <br />1493 <br />Cadmium <br />mg /1 <br />0 <br />0 <br />0 <br />20 <br />L542227 -01 <br />WG561493 <br />Copper <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L542227 -01 <br />WG561493 <br />1493 <br />Selenium <br />mg /l <br />0 <br />0.000370 <br />NA <br />20 <br />L542227 -01 <br />WG561493 <br />Thallium <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L542 227 -01 <br />WG561493 <br />1493 <br />TOC (Total Organic Carbon) mg /1 2.80 3.00 8.33 20 L541300 -01 WG561983 <br />1983 <br />Units Known Val Result % Rec Limi <br />162 <br />Chloride mg /1 40 39.8 99.5 90 -110 WG561082 <br />1082 <br />* Performance of this Analyte is outside of established criteria. <br />For additional information, please see Attachment A 'List of Analytes with QC Qualifiers.' <br />Page 15 of 23 <br />