2017-05-31_HYDROLOGY - M1977342

• Permit No: M1977342
• IBM Index Class Name: Hydrology
• Doc Date: 5/31/2017
• Doc Name: Water Monitoring - Groundwater
• From: Climax Molybdenum
• To: DRMS
• Email Name: PSH
• Media Type: D
• Archive: No

"'"- Climax Mo!Molybdenum Table 1
�1rak'. Y Annual Water Monitoring Data
A Freeport-McMoRan Company Henderson Mine
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved Selenium,Dissolved Zinc,Dissolved Specific Conductivity3 pH Sulfate'
Date Time Laboratory (pg/L as Fe) (µg/L as Mn) (Ng/L as Se) (pg/L as Zn) (µS/cm) (Standard Units) (mg/L)
MNGW-1 5/28/2013 9:50 ACCUtest 63.7 12.8 <0.42 10.4 216.0 6.3 64.0
MNGW-1 7/24/2013 16:41 Accutest <9.2 8 <0.42 8.9 154.1 5.9 49.6
MNGW-1 11/6/2013 11:35 Accutest <9.2 12.6 <0.42 12.4 211.7 7.2 77.1
MNGW-1 5/27/2014 15:40 Accutest <9.2 2 <0.42 10.5 268.6 6.4 76.8
MNGW-1 8/25/2014 12:15 Accutest <9.2 3.5 <0.42 7.2 143.8 6.5 46.8
MNGW-1 12/16/2014 11:05 Accutest 9.9 0.76 <0.42 15.4 273.9 6.5 97.3
MNGW-1 6/8/2015 9:50 Accutest 14.5 0.87 <0.42 18 171.0 6.5 75
MNGW-1 8/13/2015 9:50 Accutest <9.2 1.3 <0.42 9.9 136.7 6.5 46.4
MNGW-1 11/11/2015 12:25 Accutest 17.6 8.5 <0.42 20.2 343.1 6.7 120
MNGW-1 6/20/2016 9:30 Accutest 12.5 2.6 <0.42 11.3 184.9 6.3 58.6
MNGW-1 8/15/2016 15:02 Accutest <6.9 2.9 1 2.0 17.3 170.5 5.9 56.1
MNGW-1 12/7/2016 12:40 Accutest 178 2 <0.42 37.4 421.7 6.1 169
Numeric Protection Limit(NPL) 1 5,000 790 20 2,000 NIA(report) 6.5-8.5 NIA(report)
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved Selenium,Dissolved Zinc,Dissolved 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) (mg1L)
BG-20 5/28/2013 10:40 Accutest 40 3.9 <0.42 16.0 43.2 6.9 5.2
BG-20 7/24/2013 16:00 Accutest <9.2 4.2 <0.42 9.5 63.4 7.0 8.8
BG-20 11/8/2013 8:35 Accutest 36.5 1.3 <0.42 16.4 95.2 7.4 13.2
BG-20 5/27/2014 16:45 Accutest 48.8 5.0 <0.42 14.7 52.3 7.D 5.2
BG-20 8/25/2014 11:30 Accutest <9.2 2 <0.42 9.3 53.7 7.2 10.3
BG-20 12/16/2014 14:10 Accutest <9.2 3.7 <0.42 15.4 65.9 7.7 13.6
BG-20 6/8/2015 15:00 Accutest 38.3 2.7 <0.42 17.9 40.2 6.9 5.6
BG-20 8/13/2015 13:50 Accutest <9.2 2.4 <0.42 8.6 36.7 7.6 10.1
BG-20 11/11/2015 11:25 Accutest <9.2 5.9 <0.42 12 78.7 7.6 16.1
BG-20 6/20/2016 14:15 Accutest 12.5 2.2 <0.42 17.2 33.6 7.3 5.4
BG-20 8/15/2016 1337 Accutest 1 10.5 1.9 <1.1 15.6 76.4 7.6 10.7
BG-20 12/7/2016 9:45 Accutest 32.4 16.7 <0.42 15.6 71.6 6.9 15.4
Location Sample Sample Analytical Iron,Dissolved' Manganese,Dissolved Selenium,Dissolved Zinc,Dissolved 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)
CC-10 5/28/2013 11:05 Accutest 150 30.3 <0.42 38.4 33.7 7.0 3.9
CC-10 7/24/2013 16:15 Accutest 18.6 12.5 <0.42 12.6 44.7 6.4 3.5
CC-1D 11/6/2013 13:15 Accutest 52.9 26.4 <0.42 31.0 99.8 7.1 7.9
CC-10 1 5/27/2014 10:45 1 Accutest 234 44.2 <0.42 71.3 64.8 9.1 5.5
CC-10 8/25/2014 11:05 Accutest 21.2 4.5 <0.42 11.7 41.8 6.4 4.3
CC-10 12/16/2014 13:45 Accutest 23.8 10.1 <0.42 20.2 57 8.1 6.5
CC-10 6/8/2015 14:40 Accutest 46.3 15.3 <0.42 31.9 28 7.2 3.1
CC-10 8/13/2015 13:25 Accutest 15.2 3.8 <0.42 11.2 44.2 7.6 4
CC-10 11/11/2D15 11:05 Accutest 21.5 8.8 <0.42 18.4 67.3 7.6 8.2
CC-10 6/20/2016 10:30 Accutest 20.9 4.1 <0.42 9.2 22.3 7.3 2.2
CC-10 8/15/2016 13:16 Accutest 14 2.9 1 <1.1 1 15.8 40.8 7.1 4.3
CC-10 12/7/2016 10:35 Accutest 34.8 0.97 <0.42 16.3 63.7 7.1 8.1