2018-04-02_PERMIT FILE - C1981019A ‎(7)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 4/2/2018
• Doc Name: Permits
• Section_Exhibit Name: Volume 15 Rule 2
• Media Type: D
• Archive: Yes

RULE 2 PERMITS
SAR > 15 = 69.6 feet
Se > 0.3 = 15.15 feet
B > 5.0 = 0 feet
Sat <25 or >80 = 83.8 feet
Mo > 1.0 = 0 feet
Total Drill Hole Depth = 639.7 feet
Total Percentage of unsuitable material:
SAR = 69.6 feet/639.7 feet = 10.880100047%
Se = 15.15 feet/639.7 feet = 2.3682976395%
B = N/A
Sat = 83.8 feet/639.7 feet = 13.099890574%
Mo = N/A
Drill Hole C-04-04
Unsuitability range in feet:
SAR > 15 = 111.2 feet
Se>0.3=0feet
B>5.0 = 0 feet
Sat <25 or >80 = 68.3 feet
Mo > 1.0 = 0 feet
Total Drill Hole Depth = 663.3 feet
Total Percentage of unsuitable material:
SAR = 111.2 feet/663.3 feet= 16.764661541 %
Se = N/A
B = N/A
Sat = 68.3 feet/663.3 feet = 10.296999849%
Mo = N/A
Drill Hole C-04-36
Unsuitability range in feet:
SAR > 15 = 19.9 feet
Se>0.3=5.15 feet
B>5.0=0feet
Sat <25 or >80 = 85.6 feet
Mo> 1.0=0feet
Total Drill Hole Depth = 610.6 feet
Total Percentage of unsuitable material:
SAR = 19.9 feet/610.6 feet = 3.2590894202%p
Se = 5.15 feet/610.6 feet = 0.84343268916%
B = N/A
Sat = 85.6 feet/610.6 feet = 14.018997707%
Mo = N/A
No Special Handling Procedures will be required for the overburden in the Collom Area (please see
Section 2.04.6 - Exploration Test Boring Results Summary). It was discussed between the Division of
Reclamation, Mining and Safety (DRMS) and Colowyo that suspect levels of the Sodium Adsorption
Ration (SAR), Selenium (Se), Boron (B), Saturation % (Sat), and Molybdenum (Mo) need to be
addressed in more detail to determine that Special Handling Procedures, that are outside the normal pit
Collom - Rule 2, Page 80 Revision Date: 6/16/17
Revision No.: MR -176