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 ■' �ITASCA"
Table of Humidity Cell Results Denver, Inc.
(Page 8 of 36)
Parameter' Sample B3
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 < 10 < 10 < 10 < 10 <10 < 10 < 10 <10 < 10 < 10 < 10 < 10 14 < 10 < 10 < 10 < 10 < 10
Alkalinity as CaCO3 2.8 2.6 2.4 2.2 <2 <2 2.1 2.4 2.6 2.2 3.1 <2 2.2 <2 <2 10.1 <2 <2
Conductivity 37.8 22.1 32.2 35.3 34.6 39 44 41 37 43 34 38 34 36 37 91 38 39
pH 6.6 6.7 6.8 6.6 6.7 6.7 6.6 6.9 6.7 6.5 6.5 6.6 6.5 6.4 6.8 7.1 6.5 6.5
SO4 11 5.5 11.1 11.5 12 13.3 13.2 12.6 11.9 14.2 10.8 12 11.2 12.2 12.4 17.7 11.2 13
CO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2
HCO3 2.8 2.6 2.4 2.2 <2 <2 2.1 2.4 2.6 2.2 3.1 <2 2.2 <2 <2 10.1 <2 <2
ORP 451 290 338 484 403 498 440 362 428 393 503 421 559 507 508 450 506 530
Temperature(°C) 20.9 22 21.2 21.7 22.3 21.9 22.5 20.9 21.4 20.5 20.2 20.4 20.7 20.2 20.3 20.9 19.7 19.2
Volume Recovered (mL) 924 999 906 923 922 968 948 923 933 965 919 928 921 924 928 918 912 922
Ag - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
Al - - <0.03 - - - - 0.03 - - - - <0.03 - - - - <0.03
As - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - - - <0.0002
Ba - - 0.012 - - - - 0.007 - - - - 0.008 - - - - 0.009
Be - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05
Bo - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
Ca 1 0.5 0.8 1 1 1 1 1.1 1 1.1 0.8 1 0.9 0.9 0.9 2.2 0.8 0.9
Cd - - 0.0002 - - - - 0.00029 - - - - 0.00023 - - - - 0.00028
Cl - 1 - - - - <0.5 - - - - <0.5 - - - - <0.5
CN,WAD - <0.003 - - - - <0.003 - - - - <0.02 - - - <0.003
Co - - <0.01 - - - - <0.01 - - - - <0.01 - - - - 0.01
Cr - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
Cu - - <0.01 - - - - <0.01 - - - - <0.01 - - - - 0.01
F - - 0.18 - - - - 0.08 - - - - 0.18 - - - 0.17
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 <0.02
Hg - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - - - <0.0002
K - - 0.6 - - - - 0.6 - - - 0.5 - - - 0.6
Li - - <0.008 - - - - <0.008 - - - - <0.008 - - - - <0.008
Mg 1.9 1.1 1.4 1.8 1.7 1.9 1.8 1.7 1.7 2 1.4 1.8 1.6 1.5 1.6 2.6 1.3 1.6
Mn - - 1.26 - - - - 1.77 - - - - 1.82 - - - - 2.2
MO - - <0.02 - - - - <0.02 - - - <0.02 - - - <0.02
Na - - <0.2 - - - - <0.2 - - - - <0.2 - - - 0.3
Ni - - <0.008 - - - - <0.008 - - - - <0.008 - - <0.008
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 - - 0.0011 - - - - 0.001 - - - - 0.001 - - - - 0.001
Sb - - <0.0004 - - - - <0.0004 - - - - <0.0004 - - - - <0.0004
Se - - 0.0002 - - - - 0.0003 - - - - 0.0002 - - - - 0.0002
Si - 1 - - - - 0.8 - - - - 0.7 - - - - 0.7
TDS - 22 - - - - 28 - - - - 28 - - 28
TI - <0.0001 - - - - <0.0001 - - - - <0.0001 - - - <0.0001
U - - <0.0001 - - - - <0.0001 - - - - <0.0001 - - - - <0.0001
V - - <0.005 - - - <0.005 - - - <0.005 1 0.007
Zn - 0.01 - - 0.02 - - - 0.02 - - - - 0.04
Note:
1.All units are mg/L unless otherwise specified.