2019-10-10_HYDROLOGY - M1980244 ‎(21)‎

• Permit No: M1980244
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/10/2019
• Doc Name Note: Waste Rock Geochemical Characterization Study Report
• Doc Name: Vol. I, Part 5 of 6
• From: CC&V
• To: DRMS
• Email Name: TC1
• Media Type: D
• Archive: No

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Appendix C
A° ITASCK
Table of Humidity Cell Results Denver, Inc.
(Page 18 of 36)
Sample B8
Parameter)
Week 36 Week 37 Week 38 Week 39 Week 40 Week 41 Week 42 Week 43 Week 44 Week 45 Week 46 Week 47 Week 48 Week 49 Week 50 Week 51 Week 52 Week 53
Acidity as CaCO3 < 10 < 10 < 10 <10 < 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10 <10 < 10 < 10 < 10 < 10 < 12
Alkalinity as CaCO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 < 2 <2 <2 <2 <2 < 10
Conductivity 21 21 21 21 23 19 19 19 18 18 17 17 16 16 16 17 19 16
pH 4.5 4.5 4.5 1 4.4 4.4 4.5 4.4 4.5 4.5 4.5 4.5 4.6 4.5 4.5 4.5 4.5 4.6 4.6
SO4 2.5 2.9 3.2 3.4 2.9 2.5 2.9 2.4 2.2 1.5 2.3 2.2 2.6 2.8 2.4 2.2 2.4 2.4
CO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 < 10
HCO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 < 10
ORP 555 541 524 502 468 488 479 503 479 494 539 473 453 411 468 490 457 540
Temperature(°C) 18.9 20 20.3 18.5 19.9 19.1 20.6 20.2 20.1 19.5 20.3 20 20.4 18.5 19.9 21 19.1 21
Volume Recovered (mL) 906 947 912 897 909 872 905 875 867 882 877 867 870 903 870 864 860 863
Ag - - - - <0.01 - - - - <0.01 - - - - <0.01 - - -
AI - - - - <0.03 - - - - <0.03 - - - - <0.03 - -As - - - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - -
Ba - - - 0.169 - - - - 0.166 - - - - 0.178 - - -
Be - - - - <5.0e-05 - - - - <8.0e-05 - - - - <8.0e-05 - - -
Bo - - - - <0.01 - - - - <0.01 - - - - <0.01 - - -
Ca 0.3 0.2 0.3 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.2 0.2 <0.1 0.1 0.1 0.2 0.2
Cd - - - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05 - - -
CI - - - - <0.5 - - - <0.5 - - <0.5 - - -
CN,WAD - - - - <0.003 - - - - <0.003 - - - <0.003 - - -
Co - - - - <0.01 - - - - <0.01 - - - <0.01 - - -
Cr - - - <0.01 - - - - <0.01 - - - <0.01 - - -
Cu - - - - 0.02 - - - - 0.02 - - - 0.01 - - -
F - - - - 0.06 - - - - <0.05 - - - <0.05 - - -
Fe <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.03
Hg - - - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - -
K - - - - 0.3 - - 0.3 - - - - 0.4 - -
Li - - - - <0.008 - - - - <0.008 - - - - <0.008 - - -
Mg <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2
Mn - - - - 0.024 - - - - 0.021 - - - - 0.022 - - -
Mo - - - - <0.02 - - - <0.02 - - - <0.02 - - -
Na - - - <0.2 - - - <0.2 - - - <0.2 - -Ni - - - <0.008 - - - - <0.008 - - - - <0.008 - - -
NO2+NO3 - - - <0.02 - - - - <0.02 - - - - <0.02 - - -
OH <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 < 10
P - - - - <0.1 - - - - <0.1 - - - - <0.1 - - -
P b - - - - 0.0001 - - - - 0.0001 - - - - 0.0001 - -
Sb - - - - <0.0004 - - - - <0.0004 - - - - <0.0004 - - -
Se - - - - <0.0001 - - - - <0.0001 - - - - <0.0001 - - -
Si - - - - 1.5 - - - - 1.3 - - - - 1.2 - - -
TDS - - - - 14 - - - - 22 - - - - 24 - - -
TI - - - - <0.0001 - - - - <0.0001 - - - - <0.0001 - - -
U - - - - 0.0003 - - - - 0.0002 - - - - 0.0002 - - -
V - - - - <0.005 - - - - <0.005 - - - - <0.005 - - -
Zn - - - 0.01 - - - 0.01 - - - - <0.01 - -
Note:
1.All units are mg/L unless otherwise specified.