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~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ r ~ ~ ~ <br />Marrb 2004 Kem Coal Compxrry * 2003 AxnualH drolo,¢y Reparf * CO Psrmi! No. C-80-006 ~ Pa,Qe 4 <br />"- ~ r },' .TABLET ~: `J 5 d < r tt... <br />- r `„ V 7 - ~ ~ KERB COAL COMPANY ~- ~ <br />2003 OROUNDWATEA~OUAL^fTY STATISTICS ° ~~ <br /> MINE ALLUVIUM' AO. 2A ~ SPOIL SP-01 LOADOUT ALLUVIUM AP-1 - LOAD OUT ALLUVIUM AP-2 <br />PARAMETERS MIN MAX MEAN MIN MAX MEAN MIN MAX MEAN MIN MAX MEAN <br /> <br />INDICATOR ELEMENTS <br />Tem erature C 4 13 10 10 17 13 9 76 13 8 16 13 <br />H s.u. 7.3 7.9 7.6 8.0 8.3 8.2 7.8 8.1 8.0 7.9 8.0 8.0 <br />E.C. umhoslcm ~ 20 C 800 1300 1063 1700 1700 1700 300 400 383 400 600 477 <br />TDS 790 1070 977 1290 1330 1313 260 310 295 350 460 393 <br />SAR in water 2.26 2.64 2.44 0.53 0.68 0.67 0.68 1.51 1.03 <br /> <br />MAJOR ELEMENTS <br />Calcium dissolved 80 128 108 6.8 9.0 7.9 42 48.9 45.5 51,3 57.3 53.7 <br />Sodium dissolvetl 177 129 123 459 529 491 19.1 25.8 37.4 26.3 57.8 40.0 <br />Ma nesium tlissolved 45.5 62.1 55.9 0.9 1.1 1.0 33.7 37.4 35.8 37.2 40.7 36.5 <br />Potassium dissolvetl 3.0 4.0 3.7 2.2 2.5 2.4 7.7 1.2 7.2 1.8 2.0 1.9 <br />Sulfate 320 530 453 130 190 157 20 30 25 30 50 37 <br />Chloride 9 18 13 56 64 60 4 5 5 7 /0 8 <br />Carbonate as CaC03 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <br />Bicarbonate as CaC03 271 286 279 777 943 849 243 274 259 316 329 322 <br />Nitrate-Nitro en dissolved 0.04 0.17 0.09 0.02 0.28 0.11 0.02 0.51 0.26 <0.02 0.25 0.74 <br />Iron dissolved 0.19 0.30 0.24 0.05 0.08 0.06 0.05 0.76 0.11 0.01 0.26 0.76 <br />Man anese dissolved 0.921 1.190 1.090 0.017 0.025 0.029 0.443 0.483 0.463 0.083 0.425 0.219 <br /> <br />Notes: All values are in m unless otherwise noted. <br />MIGfi * 1475 Pint Groue Rd, Ste. 109, * StexmGaxt Spnngr, Colorado 80477 * (970) 879-6260 <br />Y~:\~,Gn(-rulef>\.I..N Nja. xgmAXni\NnJ Iilr~n ~+ <br />1191~n• <br />