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Holcim proposes monitoring for the following parameters: <br />• Total Dissolved Solids (TDS) <br />• Sulfate (S04) <br />_ <br />Potassium (K) <br />.. Sodium {(Na) <br />Iron (Fe) <br />Manganese (Mn) <br />In addition, the following field parameters will be recorded. <br />pH <br />specific conductance <br />• . temperature <br />Proposed standards are shown in table below. <br />TABLE.1 - PROPOSED STANDARDS <br />Parameter Emits MW-7 <br />Compliance' MW-13 <br />Com liance2 <br />Total Dissolved Solids TDS . m /L 3,918 TBD <br />Sulfate SO4 m /L 2,080 TBD <br />Potassium.-(K) m /L 17 TBD. <br /> <br />.Sodium Na <br />m /L <br />226 . <br />TBD ` <br />Iron Fe ` m /L 4.5 TBD <br />Manganese Mn m /L 0.88 TBD <br />'..MW,-,7Standards set.based on nine (9).rounds of historical sampling: - <br />2 MW-13 Standards will. be set based on sampling to be conducted in 2009=201,0: <br />If you have any questions, please do not hesitate to call me at (719).784-1118. <br />Sincerely, <br />oel Bolduc <br />Environmental Manager