2019-10-10_HYDROLOGY - M1980244 (21)

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Appendix C F� OF ITASCA Table of Humidity Cell Results Denver, Inc. (Page 23 of 36) Parameter' Sample L2 Week 18 Week 19 Week 20 Week 21 Week 22 Week 23 Week 24 Week 25 Week 26 Week 27 Week 28 Week 29 Week 30 Week 31 Week 32 Week 33 Week 34 Week 35 Acidity as CaCO3 28 32 32 36 34 40 40 38 38 56 54 72 70 74 86 82 86 84 Alkalinity as CaCO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 Conductivity 127 137 136 143 130 140 152 157 162 197 190 222 218 232 256 301 249 267 pH 4.2 4.2 4.2 4.2 4.2 4.1 4.1 4.0 4.0 3.9 3.9 3.8 3.8 3.8 3.8 3.7 3.7 3.7 SO4 36.9 39.7 39.4 49.7 40 44.8 46.1 50.9 43 54.2 57.4 67.7 72 73.7 80 101 81.8 83.2 CO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 HCO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 ORP 364 347 373 383 367 409 395 409 435 446 1 430 457 528 441 455 468 1 468 507 Temperature(°C) 21.2 22 21.1 21.6 22.1 21.6 22 21 21.3 20.5 20.2 20.2 20.5 20.2 20 20.2 19.5 19.3 Volume Recovered (mL) 915 925 891 931 889 972 933 928 926 940 906 919 931 905 917 905 898 929 Ag - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01 Al - - 3.27 - - - - 5.02 - - - - 9.79 - - - - 12 As - - 0.0004 - - - - 0.0011 - - - - 0.0019 - - - - 0.0007 Ba - - 0.013 - - - - 0.009 - - - - 0.007 - - - - 0.007 Be - - 0.00246 - - - - 0.00363 - - - - 0.00476 - - - - 0.00522 Bo - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01 Ca 1.6 1.7 1.6 1.8 1.4 1.5 1.5 1.4 1.3 1.5 1.2 1.3 1.2 1 1 2.3 1 0.9 Cd - - 0.0047 - - - - 0.00443 - - - - 0.00309 - - - - 0.0021 Cl - - 0.7 - - - - <0.5 - - - - <0.5 - - - <0.5 CN,WAD - - <0.003 - - - - <0.02 - - - - <0.02 - - - <0.003 Co - - 0.06 - - - - 0.05 - - - - 0.06 - - - 0.07 Cr - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01 Cu - - 1.05 - - - - 1.32 - - - - 1.93 - - - 1.74 F - - 1.2 - - - - 1.2 - - - - 1.6 - - - - 1.2 Fe 1.55 1.8 1.8 2.03 1.83 1 2.07 1.89 1.76 1.13 1.1 1.33 1.48 1.45 1.53 1.61 1.71 1.83 1.85 Hg - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - - - <0.0002 K - - 3 - - - - 3.3 - - - 4 - - - - 4 Li - - 0.008 - - - - <0.008 - - - <0.008 - - - - <0.008 Mg 2.6 2.7 2.4 2.6 1.9 2 2 1.9 1.7 1.9 1.5 1.6 1.4 1.2 1.3 1.6 1 1.1 Mn - - 1.28 - - - - 0.935 - - - - 0.647 - - - - 0.372 Mo - - <0.02 - - - - <0.02 - - - - <0.02 - - - - <0.02 Na - - 0.3 - - - - 0.2 - - - - <0.2 - - - - 0.5 Ni - - 0.037 - - - - 0.043 - - - - 0.05 - - - - 0.045 NO2+ NO3 - - <0.02 - - - - <0.02 - - - - <0.02 - - - - <0.02 OH <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 P - - <0.1 - - - - <0.1 - - - - <0.1 - - - - <0.1 Pb - - 0.0001 - - - - <0.0001 - - - - 0.0002 - - - - 0.0002 Sb - - <0.0004 - - - - <0.0004 - - - - <0.0004 - - - - <0.0004 Se - - 0.0004 - - - - 0.0007 - - - - 0.0006 - - - - 0.0003 Si - - 1.2 - - - - 1.5 - - - - 1.7 - - - - 1.9 TDS - - 72 - - - - 82 - - - - 122 - - - - 144 TI - - <0.0001 - - - - 0.0001 - - - - 0.0001 - - - - 0.0002 U - - 0.0036 - - - - 0.0056 - - - - 0.0097 - - - - 0.0126 V - - <0.005 - - - - <0.005 - - - - <0.005 - - - - 0.008 Zn - - 0.5 - - - - 0.44 - - 0.41 - - 0.32 Note: 1. All units are mg/L unless otherwise specified.