2016-12-01_PERMIT FILE - C1980007 ‎(6)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 12/1/2016
• Doc Name: Hydrologic Characterization of the South of the Divide
• Section_Exhibit Name: Exhibit 71
• Media Type: D
• Archive: No

HYDROLOGIC CHARACTERIZATION AND MONITORING PLAN
Table 10. Summary of the Groundwater Monitoring Program
28
Monitored Station
Monitored Area
Fater Level
Measurement
I Field WQ
H, EC, tem
Annual Lab
Water Quality
Period of
Record
Facili Area Wells and Alluvial Wells
P-3 (MW -8) Mine facility area 3 x Year 3 x Year Low Flow Period (1) 1985 to present
P-4 (MW -9) Mine facility area 3 x Year 3 x Year Low Flow Period 1985 to present
P-6 Mine facility area 3 x Year 3 x Year Low Flow Period 1997 to present
P-7 Mine facility area 3 x Year 3 x Year Low Flow Period 11) 1997 to present
E-1 Mine facility area 3 x Year 3 x Year Low Flow Period 1996 to present
E-7 I Mine facility area 3 x Year 3 x Year Low Flow Period 1999 to present
Upper Dry Fork Alluvial SOD mine panelsarea 1 3 x Year 3 x Year Low Flow Period ��� 2003 to present
Lower Dry Fork Alluvial SOD mine panelsarea 3 x Year 3 x Year Low Flow Period 2003 to present
Wells Completed in the Barren Member above F -Seam
SOM-80
NE mine panels area
3 x Year
3 x Year
Low Flow Period 1979 to present
SOM-45-H1
SW mine panels area
3 x Year
3 x Year
Low Flow Period 1979 to present
Wells Com leted in the F -Seam
OM -C-76
SOD mine panels area
3 x Year
3 x Year
Low Flow Period
1978 to present
3-11-1
North of Box Canyon mine
panels area
3 x Year
3 x Year
Low Flow Period
2003 to present
Wells Completed in —B -Seam
IRAV-4B
Box Canyon mine panels area 3 x Year
3 x YearLow
Flow Period
1995 to resent
1-11-1panels
North of Box Canyon mine
area 3 x Year
3 x Year
Low Flow Period
2001 to present
SW mine panels area — southwest B -seam longwall panels
Box Canyon mine panels area — Box Canyon B -seam longwall panels
SOD mine panels area — South of the Divide E -seam longwall panels
1) For sites with >5 years of data, lab parameters include TSS, TDS, EC, pH, and Fe (dissolved & total).
Revised 09/07- PRI 2; 08/16- TRI 39 HydroGeo, Inc