2018-11-15_HYDROLOGY - M1980244 ‎(6)‎

• Permit No: M1980244
• IBM Index Class Name: HYDROLOGY
• Doc Date: 11/15/2018
• Doc Name Note: Demonstration of Compliance w/WQCC's Regulation #41 - Basic Standards for GW
• Doc Name: Part 1 of 5
• From: CC&V
• To: DRMS
• Email Name: AME
• Email Name: TC1
• Email Name: MAC
• Email Name: ERR
• Email Name: JPL
• Media Type: D
• Archive: No

5.2 Arequa Gulch
These data are composed of data from the following wells; CRMW-2A, CRMW-2B, CRMW-3A,
CRMW-3B, CRMW-3C, CRMW-5A, CRMW-5B, CRMW-5C, and CRMW-5D. This dataset is
composed of 10,679 data points for all wells, which includes 1,307 data points for CRMW-2A, 1158 data
points for CRMW-2B, 3170 data points for CRMW-3A, 3,785 data points for SGMW-3B,467 data points
for CRMW-3C, 26 data points for CRMW-5A, 232 data points for CRMW-5B, 325 data points for
CRMW-5C, and 209 data points for CRMW-5D. Table 23 presents the analytical results of the Arequa
Gulch data.
Table 23 Analytical results for Arequa Gulch data. All values are in mg/L except for pH which is in
standard units.
Cyanide
Calculation Aluminum Arsenic Cadmium Copper WAD Fluoride
Geomean 0.43 0.006 0.003 0.031 0.01 3.19
S.D. 2.59 0.001 0.022 0.088 0.01 2.03
Max 13.70 0.007 0.162 0.499 0.09 12.20
Min 0.01 0.005 0.000 0.005 0.01 0.29
n 360 5 169 117 57 403
Nitrite as
Iron Lead Manganese ercury Nickel N
0.20374139
Geomean 6 0.01 1.18 N.D. 0.01 0.09
1.59737604
S.D. 2 0.01 2.15 0.02 0.03
Max 15.8 0.05 10.40 0.24 0.12
Min 0.01 0.00 0.01 0.01 0.06
n 195 88 341 261 5
Nitrate as N Nitrate+ pH Seleniu Sulfate Zinc
Nitrite as N In
Geomean 2.06 2.24 5.96 0.01 538 0.11
S.D. 4.61 4.98 1.14 0.00 272 0.17
Max 24.10 24.10 8.00 0.03 1260 0.76
Min 0.05 0.05 2.73 0.01 23 0.01
n 391 226 423 70 407 300
21