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

Appendix C ��
r a!'' ITASCA"
Table of Humidity Cell Results Denver, Inc.
(Page 15 of 36)
Parameter' Sample B7
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 32 34 32 26 32 38 32 12 < 10 16 10 10 10 12 24 10 24 < 12
Alkalinity asCaCO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 < 2 <2 <2 < 10
Conductivity 102 104 99 91 100 91 94 90 57 89 79 1 90 79 87 83 83 91 1 86
pH 4.6 4.7 4.6 4.6 4.5 4.6 4.5 4.6 4.7 4.6 4.6 4.6 4.5 4.6 4.6 4.6 4.6 4.5
SO4 36.4 40 37.4 29.6 36 33.5 34.6 31.6 20.8 33 30.6 31.8 29.5 35.9 31.9 30.1 34.9 31
CO, <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 476 450 438 433 382 411 401 428 402 425 496 415 407 377 423 446 425 1 492
Temperature(°C) 18.6 19.9 20.4 18.6 20.2 19.2 20.8 20.3 20.2 19.4 20.3 20.3 20.5 18.4 20 21 19.2 22.1
Volume Recovered (mL) 902 965 933 904 941 915 925 913 933 925 915 921 907 926 922 910 921 901
Ag - - - - <0.01 - - - - <0.01 - - - - <0.01 - - -
AI - - - 1.04 - - - - 0.92 - - - - 0.8 -As - - - <0.0002 - - - - 0.0002 - - - - <0.0002 - - -
Ba - - - - 0.015 - - - - 0.014 - - - - 0.018 - -
Be - - - - 0.00048 - - - - 0.00051 - - - - 0.00046 - - -
Bo - - - - <0.01 - - - - <0.01 - - - - <0.01 - - -
Ca 2.5 2.7 2.6 2.3 2.7 2.5 2.6 2.3 1.4 2.4 2.1 2.4 2.1 2.3 2.3 2.2 2.4 2.3
Cd - - - - 0.00017 - - - - 0.00015 - - - - 0.00012 - - -
CI - - - - <0.5 - - - - <0.5 - - - - <0.5 - - -
CN,WAD - - - - <0.003 - - - - <0.003 - - - - <0.003 - - -
Co - - - - 0.02 - - - - 0.03 - - - - 0.02 - - -
Cr - - - - <0.01 - - - - <0.01 - - - - <0.01 - - -
Cu - - - - 0.06 - - - - 0.05 - - - - 0.04 - - -
F - - - - 0.93 - - - - 0.72 - - - - 0.63 - - -
Fe 0.2 0.24 0.24 0.15 0.22 0.1 0.14 0.14 0.09 0.12 0.1 0.1 0.06 0.15 0.07 0.07 0.07 0.08
Hg - - - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - -
K - - - - 0.4 - - - - 0.3 - - - 0.3 - - -
Li - - - - <0.008 - - - - <0.008 - - - - <0.008 - - -
Mg 0.8 0.8 0.8 0.7 0.8 0.8 0.8 0.8 0.5 0.8 0.6 0.7 0.6 0.7 0.7 0.5 0.7 0.7
Mn - - - - 10.4 - - - - 9.71 - - - - 9.19 - - -
Mo - - - - <0.02 - - - - <0.02 - - - - <0.02 - - -
Na - - - - <0.2 - - - - <0.2 - - - - <0.2 - -Ni - - - - 0.012 - - - - <0.008 - - - - 0.008 - - -
NOZ+ 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 - - -
Pb - - - - 0.0008 - - - - 0.0007 - - - - 0.0008 - - -
Sb - - - - <0.0004 - - - - 0.0004 - - - - <0.0004 - - -
Se - - - - 0.0003 - - - - 0.0003 - - - - 0.0002 - - -
Si - - - - 0.7 - - - - 0.7 - - - - 0.7 - - -
TDS - - - - 60 - - - - 64 - - - - 66 - - -
TI - - - - <0.0001 - - - <0.0001 - - - - <0.0001 - - -
U - - - - 0.0007 - - - 0.0007 - - - - 0.0007 - - -
V - - - - <0.005 - - - <0.005 - - - - <0.005 - - -
Zn - - - 2.44 - - - 1.8 - - - 1.35 - -
Note:
1. All units are mg/L unless otherwise specified.