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 Molybdenum 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 Conductivity3 pH Sulfate
Date Time Laboratory /L as Fe /L as Mn /L as Se /L as Zn S/cm Standard Units m /L
WFR-20 5/10/2017 8:35 Accutest 103 49 <0 42 39 756 7.9 39
WFR-20 8/16/2017 1045 Accutest 827 52 <0 42 8 837 75 45
WFR-20 11/15/2017 10.55 Accutest 668 63 <0 42 37 95.6 73 57
WFR-20 5/16/2018 9:32 Accutest 646 108 <0 42 7.7 59 78 3.2
WFR-20 8/9/2018 910 Accutest <46 105 <2 1 19.3 868 6.5 47
WFR-20 12/4/2018 830 Accutest 114 142 <0 42 <1 9 888 72 64
WFR-20 5/14/2019 1300 ACZ 86 4.7 <0.1 <4 0 72 80 64
WFR-20 8/13/2019 1215 ACZ 74 7.2 <0.1 <4 0 72.8 7.0 43
WFR-20 11/13/2019 14.35 ACZ 62 62 <0 1 <4.0 859 71 55
WFR-20 5/7/2020 13:45 ACZ 98 5.2 <0 1 <6 0 70.4 74 5
WFR-20 8/28/2020 1310 ACZ 85 8.4 <0.1 <6.0 92.5 75 9.5
WFR-20 12/9/2020 12.48 ACZ 707 714 <0.1 <6 0 134.3 72 57
WFR-20 5/24/2021 11.05 ACZ 635 385 <0 1 <6.0 61.5 7.7 <1.0
WFR-20 8/23/2021 13:20 ACZ 80.8 11 1 <0 1 <6 0 81 3 77 <1.0
WFR-20 12/6/2021 1438 ACZ 72 105 <0.1 <6.0 91 6 7.1 9.9
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved Selenium,Dissolved Zinc,Dissolved Specific Conductivity3 pH ft22
Date Time Laboratory /L as Fe /L as Mn /L as Se /L as Zn S/cm Standard Units
WFR-40 5/10/2017 9:20 Accutest 389 73 <0 42 3.1 825 7.4
WFR-40 8/16/2017 1005 Accutest 699 201 <0.42 53 121 9 7.2
WFR-40 11/15/2017 11 50 Accutest 589 8.2 <0.42 48 1454 73 WFR-40 5/16/2018 10:22 Accutest 188 7 <0 42 97 157 7.6 WFR-40 8/9/2018 1435 Accutest <46 77 <2 1 227 1196 7.2
WFR-40 12/4/2018 11 30 Accutest 797 5 <0.42 <1 9 1241 74 139
WFR-40 5/14/2019 0920 ACZ 122 69 <0 1 <4.0 87.5 7.2 87
WFR-40 8/13/2019 1050 ACZ 72 87 <0 1 <4 0 868 73 78
WFR-40 11/13/2019 11 35 ACZ 54 77 <0 1 <4 0 109 68 103
WFR-40 5f7/2020 945 ACZ 116 125 <0 1 <6 0 805 75 9
WFR-40 8/27/2020 9 05 ACZ 86 49 <0 1 <6 0 123 78 10.5
WFR-40 12/9/2020 938 ACZ 1 418 2.36 1 <0.1 <6 0 1258 77 15
WFR-40 5/24/2021 10:25 ACZ 148 826 <0 1 <6.0 668 7 7 <1.0
WFR-40 8/23/2021 11 55 ACZ 76.4 11 9 <0.1 <6 0 106.8 7.8 11 7
WFR-40 12/6/2021 1200 ACZ 696 153 <0 1 <6 0 107.7 77 9.6
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
GREEN=Newly estblished NPLs pg/L=micrograms per liter
'Analyzed by EPA Method 200 7 or 200 8 pS/cm=micro Siemens per centimeter
Analyzed by EPA Method 200 8 EPA=Environmental Protection Agency
AAnalyzed using field instrumentation (Blank Field)=No data was required for this parameter during monthly pH assessment monitoring
°Analyzed by EPA Method 300 0