2018-05-29_HYDROLOGY - M1977342

• Permit No: M1977342
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/29/2018
• Doc Name: Water Level Monitoring
• From: Climax Molybdenum
• To: DRMS
• Email Name: PSH
• Media Type: D
• Archive: No

~~~-�-®Climax Mol bdenum Table 2
Y Annual Water Monitoring Data
A Freeport-McMoRan Company Henderson Mill
WFR-40 4/28/2015 1135 Accutest 175 20.7 <0.42 2.3 137.1 7.8 19.3
WFR-40 8/20/2015 1240 Accutest 76.8 4.3 <0.42 2 128.9 7.8 13.8
WFR-40 11/23/2015 9:20 Accutest 38.8 7.2 <0.42 2.8 140.1 7.5 17.7
WFR-40 6/9/2016 10:47 Accutest 85.6 4.2 <0.21 2.9 5.38 7.1 3.1
WFR-40 8/8/2016 14:33 Accutest 108 46.6 <0.42 3.6 106.2 6.8 10.4
WFR-40 12/13/2016 10:00 Accutest 29.9 4.2 <0.42 <1.9 162.1 7.7 18.6
WFR-40 5/10/2017 9:20 Accutest 389 7.3 <0.42 3.1 82.5 7.4 7.6
WFR-40 8/16/2017 10:05 Accutest 69.9 20.1 <0.42 5.3 121.9 7.2 12.6
WFR-40 11/15/2017 11:50 Accutest 58.9 8.2 <0.42 4.8 145A 7.3 22.4
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved2 Selenium,Dissolved2 Zinc,Dissolved2 Specific Conductivity' pH' Sulfate"
Date Time Laboratory (pg/L as Fe) (pg/L as Mn) (pg/L as Se) (pg/L as Zn) (PS/cm) (Standard Units) (mg/L)
MLGW-ACR' 2/5/2013 9:55 Accutest 340 72.5 <0.58 24.6 459.5 6.8 36.5
MLGW-ACR' 6/4/2013 12:50 Accutest 189 9.6 <0.42 4.2 409.4 7.1 91.8
MLGW-ACR' 8/14/2013 1040 Accutest 141 5.7 <0.42 5.4 429.2 6.7 89.6
MLGW-ACR' 1 11/19/2013 15:30 Accutest 207 17.9 <0.42 <1.9 423.9 7.2 84.1
MLGW-ACR 5/28/2014 13:20 Accutest 152 16.4 <0.42 2.8 471.9 7.1 86.6
MLGW-ACR 8/26/2014 16:10 Accutest 338 59.8 <0.42 3.0 415.3 6.7 93.7
MLGW-ACR 11/6/2014 13:25 Accutest 145 20.2 <0.42 6.2 357.2 7.3 78.2
MLGW-ACR 4/28/2015 12:15 Accutest 64 15.2 <0.42 3.6 311.4 7.4 67.1
MLGW-ACR 8/20/2015 11:10 Accutest 18.2 3.3 <0.42 2.3 378.5 7.6 86.4
MLGW-ACR 11/23/2015 14:55 Accutest 2920 1100 <0.42 <1.9 382.8 7.0 80.8
MLGW-ACR 2/3/2016 10:37 Accutest 3310 770 <0.42 2.6 367.7 7.0 52.4
MLGW-ACR 6/9/2016 1220 Accutest 183 23.4 0.32 4.2 466.5 6.6 110
MLGW-ACR 8/8/2016 10:15 Accutest 181 5.4 0.42 7.4 456.1 6.6 112
MLGW-ACR 12/13/2016 11:05 Accutest 275 7.2 0.8 2.9 400.9 6.6 99.1
MLGW-ACR 5/10/2017 10:40 Accutest 172 10.8 <0.42 6.2 464.8 7.3 114
MLGW-ACR 8/16/21017 8:45 Accutest 168 1.8 <0.42 5.3 482.1 6.5 121
MLGW-ACR 11/15/2017 12.30 Accutest 66.3 23.6 0.58 18.7 469.9 6.7 124
MLGW-ACR-D 11/15/2017 12:35 Accutest 61.3 22.9 0.63 19.2 470.3 6.7 125
Numeric Protection Limit NPL 5,000 420 20 2,000 NIA(report) 5.9-8.5 N/A re ort
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved2 Selenium,Dissolved2 Zinc,Dissolved2 Specific Conductivity' pH' Sulfate°
Date Time Laboratory (pg/L as Fe) (pg/L as Mn) (pg/L as Se) (pg/L as Zn) (µS/cm) (Standard Units) (mg/L)
MLGW-15' 2/5/2013 12:25 Accutest 277 6.0 1.0 23.4 1489 6.8 586
MLGW-15' 6/4/2013 15:45 Accutest <9.2 2.4 0.5 3.5 1508 6.6 611
MLGW-15` 8/14/2013 9:29 Accutest 29.5 2.0 0.46 6.3 1529 7.5 606
MLGW-15' 11/19/2013 15:05 Accutest 185 23.6 0.52 5.5 1642 6.7 645
MLGW-15 5/28/2014 12:40 Accutest <9.2 0.65 0.83 3.8 1556 6.6 654
MLGW-15 8/26/2014 16:30 Accutest 231 1.9 1.1 5.4 1651 6.3 683
MLGW-15 11/6/2014 13:35 Accutest <9.2 1.8 0.55 8.4 1717 6.6 674
MLGW-15 4/28/2015 15:00 Accutest <9.2 0.56 0.84 2.9 1597 6.6 711
MLGW-15 8/20/2015 12:15 Accutest <9.2 <0.26 <0.42 3.7 1668 6.5 665
MLGW-15 11/23/2015 15:50 Accutest 104 0.58 <0.42 3.5 1660 6.6 626
MLGW-15 6/9/2016 13:55 Accutest <46 5.2 0.35 4.3 1656 6.5 684
MLGW-15 8/8/2016 13:11 Accutest 211 1.1 <0.42 7.2 1696 6.5 681
MLGW-15 12/13/2016 14:35 Accutest <230 0.94 <0.42 3.4 1471 6.8 642
MLGW-15 5/10/2017 12:56 Accutest 9.3 0.87 <0.42 4.9 1584 6.5 621