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

- Molybdenum
�Climax Mol PnT
Table 2
Y Annual Water Monitoring Data
A Freeport-McMoRan Company Henderson Mill
MLGW-15 8/16/2017 1 9:21 1 Accutest 1 21.2 <0.26 1 0.81 6.5 1519 1 6.5 598
MLGW-15 11/15/2017 1 15:20 Accutest <230 0.78 1.3 5.6 1500 6.5 604
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) (Ng/L as Zn) (µS/cm) (Standard Units) (mg/L)
MLGW-17' 2/26/2013 15:00 Accutest <50 2.08 <0.5 <2.5 240.1 6.6 36.4
MLGW-17` 6/14/2013 1245 Accutest <30 <250 <500 <2500 230.4 6.4 33.6
MLGW-17" 8/14/2013 14:45 Accutest <250 4.75 <0.5 <2.5 224.3 6.6 31.9
MLGW-17` 11/20/2013 12:30 Accutest 2.9 1.96 <0.5 <2.5 217.8 7.1 33.1
MLGW-17 5/28/2014 15:45 Accutest <9.2 0.42 <0.42 3.0 211.6 7.0 31.2
MLGW-17 8/26/2014 17:20 Accutest 27.9 0.72 <0.42 1.9 217 6.6 29.8
MLGW-17 11/6/2014 14:25 Accutest <9.2 8 <0.42 4.1 233.2 7.1 34
MLGW-17 4/28/2015 16:10 Accutest <9.2 <0.26 <0.42 <1.9 231.4 7.1 39.7
MLGW-17 8/20/2015 14:55 Accutest <9.2 <0.26 <0.42 2.8 225.7 7.5 35.1
MLGW-17 11/23/2015 13:05 Accutest 9.6 0.36 <0.42 <1.9 221.4 7.1 34.7
MLGW-17 6/9/2016 15:00 Accutest 10.5 0.29 <0.21 2.3 236.9 6.9 33.5
MLGW-17 8/8/2016 14:07 Accutest 28.6 1 <0.42 4.1 221.9 6.7 33.1
MLGW-17 12/13/2016 11:17 Accutest 14.6 0.93 <0.42 <1.9 217.9 7.3 39
MLGW-17-D 5/10/2017 11:00 Accutest <9.2 0.91 <0.42 3.7 244.6 7 38.7
MLGW-17 5/10/2017 11:05 Accutest 12.7 1.1 <0.42 4.1 244.6 7 38.6
MLGW-17 8/16/2017 11:58 Accutest 45.5 0.5 0.42 3.6 1153 6.8 33.9
MLGW-17 11/15/2017 16:25 Accutest 28 0.8 <0.42 5.4 221.9 7 34.6
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
'Analyzed using field instrumentation. (Blank Field)=No data was required for this parameter during monthly pH assessment monitoring
°Analyzed by EPA Method 300.0.
-Data from 5 Quarters Baseline Monitoring