2023-06-05_HYDROLOGY - M1977342

• Permit No: M1977342
• IBM Index Class Name: Hydrology
• Doc Date: 6/5/2023
• Doc Name: Water Monitoring - Groundwater
• From: Clmax Molydenum
• To: DRMS
• 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,Dissolved2 Selenium,Dissolved' Zinc,Dissolved' Specific Conductivity' PH Sulfate'
Date Time Laboratory (µg/L as Fe) (pg/L as Mn) (µg/L as Se) (µg/L as Zn) (µS/cm) (Standard Units) (mg/L)
MLGW-17 5/16/2018 15:32 Accutest <9.2 0.32 <0.42 13.7 206.2 6.6 34.7
MLGW-17 8/9/2018 11:10 Accutest <46 5.2 <2.1 24.3 226.1 6.7 33.7
MLGW-17 12/6/2018 1024 Accutest 65.6 0.96 <0.42 <1.9 210.9 7.2 29.6
MLGW-17 5/14/2019 13:45 ACZ 46 0.5 0.1 <4.0 208.0 7.0 37
MLGW-17 8/13/2019 11:45 ACZ <5.0 <0.4 0.1 <4.0 201.1 6.9 29.8
MLGW-17 11/13/2019 1359 ACZ <5.0 <0.4 0.1 <4.0 214.9 7.1 33.1
MLGW-17 5f7/2020 13:10 ACZ <6.0 <0.4 <0.1 11 225.9 7.0 38.7
MLGW-17 8/27/2020 11:45 ACZ <7.0 0.7 0.1 <6.0 223.3 7.1 33.5
MLGW-17 12/9/2020 12:16 ACZ <7.0 0.41 <0.1 <6.0 218.3 7.1 36.5
MLGW-17 5/25/2021 16:45 ACZ <7.0 0.96 <0.1 <6.0 196.6 7.1 32.1
MLGW-17 8/26/2021 1556 ACZ <7.0 <0.4 0.14 <6.0 1 202.7 7.1 36.7
MLGW-17 12/9/2021 14:27 ACZ <7.0 <0.4 0.12 <6.0 205.8 7.0 34.1
MLGW-17 5/18/2022 9:53 ACZ <7.0 <0.4 0.11 <6.0 197.3 6.7 37.5
MLGW-17 8/25/2022 11:42 ACZ 32.8 1.12 0.14 12.6 198.5 30.8
MLGW-17 12/21/2022 10:22 ACZ <7.0 <0.4 <0.1 1 <6.0 191.0 6.7.2 7 32.2
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved2 Selenium,Dissolved2 Zinc,Dissolved' Specific Conductivity' PH Sulfate'
Date Time Laboratory (µg/L as Fe) (µg/L as Mn) (pg/L as Se) (µg/L as Zn) (VS/cm) (Standard Units) (mg/L)
MLGW-ACR 5/16/2018 10:35 Accutest 173 6.5 <0.42 5.9 503.7 6.6 136
MLGW-ACR 8/9/2018 12:25 Accutest <46 8.2 <2.1 20.8 544 6.7 140
MLGW-ACR 5/14/2019 12:15 ACZ 76 29.3 <0.1 <4.0 243.1 8.3 4.3
MLGW-ACR 8/13/2019 08:10 ACZ 71 6.2 <0.1 <4.0 209.1 8.9 2.5
MLGW-ACR 11/13/2019 11:13 ACZ 1200 39 <0.1 <4.0 502.9 6.8 139
MLGW-ACR 5/7/2020 9:00 ACZ 965 29.7 <0.1 <6.0 488.2 6.7 125
MLGW-ACR 8/28/2020 11:30 ACZ 833 25.1 <0.1 <6.0 526.1 7 121
MLGW-ACR 12/9/2020 905 ACZ 950 33 <0.1 <6.0 504.9 6.8 130
MLGW-ACR 5/27/2021 945 ACZ 1180 37.8 -0.1 <6.0 222.1 6.9 161
MLGW-ACR 8/25/2021 11:04 ACZ 1030 28.3 0.11 <6.0 487.6 6.8 156
MLGW-ACR 12/7/2021 10:25 ACZ 1030 26.3 <0.1 1 <6.0 481.3 6.6 128
MLGW-ACR 5/27/2022 1042 ACZ 1180 29.7 0.12 <6.0 447.3 6.6 130
MLGW-ACR 8/23/2022 10:55 ACZ 394 50.2 <0.1 13.9 436.4 7.3 1111
MLGW-ACR 12/19/2022 1147 ACZ 5770 129 <0.2 <6.0 453.1 6.7 1114
Numeric Protection Limit(NPL) 5,000 420 20 2,000 N/A(report) 6.9-8.5 N/A(report)
Notes:
RED=Resulting concentration falls outside of the Numeric 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
'Analyzed 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