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MW-13-Compliance Well <br /> Holcim Proposed <br /> Apr-09 Jun-09 Sep-09 Dec-09 Mar-10 Mean Max 110%Max# Std Dev Mean+2SD Std.* <br /> IDS 3660 3620 3630 3470 3300 3536 3660 4026 151.10 3838.2 4372 <br /> Sulfate 2000 1900 1900 1800 2000_ 1920 2000 2200 83.67 2087.3 2585 <br /> Fe 0.04 0.07 0.02 0.02 0.11 0.052 0.11_ 0.12 0.04 0.13 12 <br /> Mn (diss) 0.13 0.26 0.113 0.056 0.018 0.1154 0.26 0.29 0.09 0.30 0.69 <br /> K(diss) 11.9 11.8 10.3 11 9.3 10.86 11.90 13 1.09 13 17.0 <br /> Na (diss) 249 193 225 199 164 206 249 274 32.37 270.7 274 <br /> pH 7.99 7.01 6.95 7 7.24 7.238 7.99 8.79 0.44 8.1 ? <br /> 1 110%of Max MW-13 Results (DRMS Std) <br /> * 110%of average background well results from 2009-2010 350 = DRMS NPL <br /> C:\Documents and Settings\tcl\My Documents\Projects\Fremont\M-77-344 Portland Limestone Quarry\GrndWtr Results.xlsx//Sheetl <br />