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 �!�-ITASCA
Table of Humidity Cell Results Denver, Inc.
(Page 33 of 36)
Sample PP4
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 2.6 <2 <2 <2 <2 2.2 <2 <2 <2 <2 <2 < 10
Conductivity 23 26 23 23 24 25 25 22 22 23 23 25 24 23 23 24 27 25
pH 6.3 6.4 6.2 6.3 6.3 6.3 6.3 6.3 6.2 6.2 6.2 6.2 6.2 6.2 6.3 6.4 6.5 6.2
SO4 1.7 2.1 2.5 3.2 3.2 3.3 1.9 1.2 1.2 2.4 3.1 2.6 1.7 2.1 1.6 1.6 2 1.6
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 2.6 <2 <2 <2 <2 2.2 <2 <2 <2 <2 <2 < 10
ORP 569 436 398 346 305 367 379 460 423 397 507 373 342 312 393 381 351 520
Temperature('Q 18.8 19.9 20.2 18.4 19.9 19 20.4 19.8 19.6 19.2 20 19.8 20.2 18.4 19.7 20.7 19 21.5
Volume Recovered (ml-) 924 970 909 926 920 889 875 896 881 880 878 896 874 904 880 890 884 889
Ag - - - - <0.01 - - - - <0.01 - - - - <0.01 - -Al - - - - 0.17 - - - - 1.03 - - - - 0.35 - -As - - - - <0.0002 - - - - 0.0003 - - - - <0.0002 - - -
Ba - - - - 0.371 - - - - 0.393 - - - - 0.361 - - -
Be - - - - <5.Oe-05 - - - - <8.Oe-05 - - - - <8.0e-05 - -
Bo - - - - <0.01 - - - - <0.01 - - - - <0.01 - - -
Ca 2 2.4 2.2 2.3 1 2.6 2.8 2.8 2.6 2.6 2.7 2.7 2.8 2.9 2.6 2.8 2.8 3 3
Cd - - - - <5.0e-05 - - - - 0.0001 - - - - 0.00006 - -Cl - - - - <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 - - - - <0.01 - - - - <0.01 - - - - <0.01 - - -
F - - - - 2.65 - - - - 2.54 - - - - 2.47 - - -
Fe 0.03 <0.02 <0.02 <0.02 0.08 0.06 0.08 0.13 0.11 0.51 0.08 0.05 0.3 0.07 0.17 0.03 0.06 0.06
Hg - - - - <0.0002 - - - - <0.0002 - - <0.0002 - - -
K - - - - 0.6 - - - - 0.7 - - - 0.6 - - -
Li - - - - <0.008 - - - - <0.008 - - - - <0.008 - - -
Mg 0.3 0.3 0.3 0.3 0.4 0.4 0.5 0.4 0.4 0.5 0.3 0.3 0.4 0.3 0.4 0.2 0.3 0.3
Mn - - - - <0.005 - - - - <0.005 - - - - <0.005 - - -
Mo - - - - <0.02 - - - - <0.02 - - - - <0.02 - - -
Na - - - - 0.4 - - - - <0.2 - - - - <0.2 - - -
N i - - - - <0.008 - - - - <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 - - - - 0.0013 - - - - 0.0061 - - - - 0.0023 - - -
Sb - - - - <0.0004 - - - - <0.0004 - - - - <0.0004 - - -
Se - - - - <0.0001 - - - - <0.0001 - - - - <0.0001 - - -
Si - - - - 2.2 - - - - 3.9 - - - - 2.4 - - -
TDS - - - - 10 - - - - 32 - - - - 36 - -
TI - - - - <0.0001 - - - - <0.0001 - - - - <0.0001 - - -
U - - - - 0.0001 - - - - 0.0003 - - - - 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.