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 AWt" SCA:
Table of Humidity Cell Results Denver, Inc.
(Page 32 of 36)
Parameter' Sample PP4
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 <10 <10 < 10 < 10 < 10 < 10
Alkalinity as CaCO3 2.1 <2 2.1 2.9 <2 <2 <2 <2 2.2 2 2.7 <2 < 2 <2 10.1 3.9 <2 <2
Conductivity 24.2 25.3 24.7 24.8 1 25.5 25 27 29 23 23 1 23 22 22 20 73 74 1 28 23
pH 6.1 6.0 6.2 6.2 6.1 6.1 6.2 6.2 6.1 6.1 6.0 6.0 6.0 6.1 6.9 6.9 6.2 6.3
SO4 1.8 2.2 1.1 < 1 <1 < 1 <1 < 1 <1 2.9 < 1 1.4 1.5 2.5 6.8 18.5 1.8 3
CO3 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2
HCO3 2.1 <2 2.1 2.9 <2 <2 < 2 <2 2.2 2 2.7 <2 <2 <2 10.1 3.9 <2 <2
ORP 381 283 308 329 278 471 297 262 287 288 368 310 559 293 452 541 1 507 544
Temperature(°C) 21.1 21.7 20.9 21.5 22.2 21.3 21.8 20.8 21.2 20.6 20.2 20 20.8 20.1 19.8 6.9 19.3 18.8
Volume Recovered (mL) 937 943 910 923 916 957 958 943 968 959 911 917 958 954 937 910 908 940
Ag - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
AI - - 0.17 - - - - 0.15 - - - - 0.11 - - - - 0.16
As - - <0.0002 - - - - <0.0002 - - - - <0.0002 - - - - <0.0002
Ba - - 0.37 - - - - 0.337 - - - - 0.324 - - - - 0.308
Be - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05 - - - - <5.0e-05
Bo - - <0.01 - - - - <0.01 - - - - <0.01 - - - - <0.01
Ca 2.3 2.3 2.6 2.6 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.1 5.2 6.3 1.9 1.9
Cd - - <0.0001 - - - - 0.00005 - - - - <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 - - <0.01 - - - <0.01 - - - - <0.01 - - - 0.01
F - - 2.62 - - - - 2.5 - - - - 2.37 - - - - 2.47
Fe <0.02 <0.02 0.1 <0.02 0.02 <0.02 0.02 0.06 0.06 0.06 0.05 0.02 0.04 0.02 0.04 1.29 0.04 0.07
Hg - - <0.0002 - - - <0.0002 - - - - <0.0002 - - - - <0.0002
K - 1 - - - 0.9 - - - 0.6 - - - 0.6
Li - - <0.008 - - - <0.008 - - - - <0.008 - - - - <0.008
Mg 0.4 0.4 0.4 0.5 0.3 0.3 0.4 0.4 0.3 0.4 0.3 0.4 0.4 <0.2 0.8 1.1 <0.2 0.3
Mn - - <0.005 - - - - <0.005 - - - - <0.005 - - - - 0.005
MO - - <0.02 - - <0.02 - <0.02 - - - - 0.02
Na - - <0.2 - - - <0.2 - <0.2 - - - - 1.1
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 - - 0.0013 - - - - 0.0011 - - - - 0.001 - - - - 0.0016
Sb - - <0.0004 - - - <0.0004 - - - - <0.0004 - - - - <0.0004
Se - - <0.0001 - - - <0.0001 - - - <0.0001 - - - - <0.0001
Si - - 2.9 - - - - 2.6 - - - 2.3 - - - - 2
TDS - - < 10 - - - - 24 - - - - 20 - - - - 30
TI - - <0.0001 - - - - <0.0001 - - - - <0.0001 - - - - <0.0001
U - - 0.0001 - - - - 0.0002 - - - - 0.0001 - - - - 0.0002
V - - <0.005 - - - <0.005 - - - - <0.005 - - - 0.008
Zn - - <0.01 - - - <0.01 - - <0.01 - <0.01
Note:
1.All units are mg/L unless otherwise specified.