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 t�, ITASCA
Table of Humidity Cell Results Denver, Inc.
(Page 17 of 36)
Parameter' Sample B8
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 14 <10 < 10 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10
Alkalinity as CaCO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 < 2 <2 <2 <2 <2 <2
Conductivity 30.2 26.1 27.2 28.5 26.4 25 25 27 25 24 22 24 21 23 22 51 23 21
pH 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 5.7 4.5 4.5
SO4 4.7 3.9 5.3 4.6 4.1 2.2 3 2.7 2 2.7 < 1 3.5 3.4 3.3 3 10.4 4.1 3.6
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 438 375 417 476 429 511 447 444 437 418 476 450 600 466 513 552 498 571
Temperature(°C) 21 22 20.9 21.1 22.2 21.8 22.1 20.9 21.4 20.4 20.3 20.3 20.7 20.2 20.1 20.2 19.7 19.3
Volume Recovered (mL) 909 999 903 910 896 957 917 928 938 947 925 906 906 902 933 893 892 902
Ag - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
Al - - 0.07 - - - - 0.05 - - - - <0.03 - - - - 0.03
As - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - - - <0.0002
Ba - - 0.124 - - - - 0.131 - - - - 0.133 - - - - 0.121
Be - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05
Bo - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
Ca 0.5 0.4 0.4 0.5 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.9 0.2 0.3
Cd - - <0.0001 - - - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05
CI - - <0.5 - - - - <0.5 - - - - <0.5 - - - - <0.5
CN,WAD - - <0.003 - - - - <0.02 - - - - <0.02 - - - - <0.003
Co - - <0.01 - - - - <0.01 - - - - <0.01 - - - - 0.01
Cr - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
Cu - - 0.03 - - - - 0.02 - - - - 0.02 - - - - 0.03
F - - <0.05 - - - - <0.05 - - - - 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 <0.02
Hg - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - - - <0.0002
K - - 0.5 - - - - 0.5 - - - 0.2 - - - - 0.5
Li - - <0.008 - - - - <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 - - 0.057 - - - - 0.046 - - - - 0.029 - - - - 0.032
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 - - 0.0002 - - - - 0.0001 - - - - 0.0002 - - - - 0.0002
Sb - - <0.0004 - - - - <0.0004 - - - - <0.0004 - - - - <0.0004
Se - - <0.0001 - - - <0.0001 - - - - <0.0001 - - - - <0.0001
Si - - 2 - - - - 1.9 - - - - 1.5 - - - - 1.4
TDS - - 14 - - - - 16 - - - - 18 - - - - 20
TI - - <0.0001 - - - - <0.0001 - - - - <0.0001 - - - - <0.0001
U - - 0.0004 - - - - 0.0005 - - - - 0.0003 - - - - 0.0003
V - - <0.005 - - - - <0.005 - - - - <0.005 - - - - 0.006
Zn - - 0.03 - - - - 0.02 - - - 0.02 - - - - 0.02
Note:
1. All units are mg/L unless otherwise specified.