2022-06-03_HYDROLOGY - M1977342

• Permit No: M1977342
• IBM Index Class Name: Hydrology
• Doc Date: 6/3/2022
• Doc Name Note: Annual Report
• Doc Name: Water Monitoring - Groundwater
• From: Climax Molybdenum
• To: DRMS
• Annual Report Year: 2021
• Email Name: PSH
• Email Name: JLE
• Media Type: D
• Archive: No

Climax Mol bdenum Table 2
• Y Annual Water Monitoring Data
A Freeport-McMoRan Company Henderson Mill
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved Selenium,Dissolved Zinc,Dissolved Specific Conductivity' PH Sulfate
Date Time Laboratory /L as Fe /L as Mn /L as Se /L as Zn (PS/CM) Standard Units m /L
MLGW-17 5/10/2017 1105 Accutest 127 1 1 <0 42 41 2446 70 38.6
MLGW-17 8/16/2017 1158 Accutest 455 05 042 36 2236 6.8 33.9
MLGW-17 11/15/2017 16 25 Accutest 28 081 <0 42 54 221 9 70 346
MLGW-17 5/16/2018 1532 Accutest <9 2 032 <0 42 13.7 2062 66 34.7
MLGW-17 8/9/2018 11 10 Accutest <46 52 <2 1 243 2261 67 33.7
MLGW-17 12/6/2018 1024 Accutest 656 096 <0 42 <1 9 2109 72 29.6
MLGW-17 5/14/2019 1345 ACZ 46 05 01 <4 0 2080 70 37
MLGW-17 8/13/2019 11 45 ACZ <5 0 <0.4 01 <4 0 201 1 6.9 298
MLGW-17 11/13/2019 13.59 ACZ <5 0 <0 4 01 <4 0 2149 7.1 33 1
MLGW-17 5/7/2020 1310 ACZ <6 0 <0.4 <0 1 11 225.9 7.0 387
MLGW-17 8/27/2020 11 45 ACZ <7 0 07 01 <6 0 2233 7.1 33.5
MLGW-17 12/9/2020 1216 ACZ <7 0 041 <0 1 <6 0 2183 71 365
MLGW-17 5/25/2021 1645 ACZ <7 0 096 <0 1 <6 0 1966 7.1 32 1
MLGW-17 8/26/2021 1556 ACZ <7 0 <0 4 0.14 <6.0 202.7 71 367
MLGW-17 12/9/2021 1427 ACZ <7 0 <0 4 012 <6 0 2058 70 34 1
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved Selenium,Dissolved Zinc,Dissolved Specific Conductivity3 PH Sulfate°
Date Time Laboratory /L as Fe /L as Mn /L as Se /L as Zn (PS/cm) Standard Units m /L
MLGW-ACR 5/10/2017 10.40 Accutest 172 10.8 <0 42 62 4648 73 114
MLGW-ACR 8/16/2017 845 Accutest 168 1 8 <0 42 53 482 1 65 121
MLGW-ACR 11/15/2017 1230 Accutest 663 236 058 187 4699 67 124
MLGW-ACR 5/16/2018 1035 Accutest 173 65 <0 42 59 5037 66 136
MLGW-ACR 8/9/2018 12:25 Accutest <46 8.2 <2 1 208 544 6.7 140
MLGW-ACR 5/14/2019 1215 ACZ 76 29.3 <0.1 <4 0 2431 83 4.3
MLGW-ACR 8/13/2019 0810 ACZ 71 6.2 <0.1 <4.0 2091 89 2.5
MLGW-ACR 11/13/2019 11 13 ACZ 1200 39 <0 1 <4 0 5029 68 139
MLGW-ACR Y7/2020 900 ACZ 965 297 <0.1 <6 0 4882 67 125
MLGW-ACR 8/28/2020 11:30 ACZ 833 251 <0 1 <6 0 5261 7 121
MLGW-ACR 12/9/2020 905 ACZ 950 33 <0 1 <6 0 5049 68 130
MLGW-ACR 5/27/2021 9.45 ACZ 1180 378 <0.1 <6 0 2221 6 9 161
MLGW-ACR 8/25/2021 11 04 ACZ 1030 28 3 0 11 <6 0 487 6 68 156
MLGW-ACR 1277/2021 1025 ACZ 1030 263 <0.1 <6 0 481 3 6 8 128
Numeric Protection Limit(NPL) 5,000 420 20 2,000 NIA(report) 5.9-8.5 N/A(report)
Notes.
RED=Resulting concentration falls outside of the Numenc Protection Limit(NPL) <=not detected at concentrations exceeding the laboratory method detection limit
BLUE=Rosner Statistical outlier mg/L=milligrams per liter
'Analyzed by EPA Method 200 7 or 200 8 pg/L=micrograms per liter
2Analyzed by EPA Method 200 8 pS/cm=micro Siemens per centimeter
3Analyzed using field instrumentation EPA=Environmental Protection Agency
°Analyzed by EPA Method 300 0 (Blank Field)=No data was required for this parameter during monthly pH assessment monitoring