_INSPECTION - C1981010 ‎(72)‎

• Permit No: C1981010
• IBM Index Class Name: INSPECTION
• Doc Name: Inspection Report
• Inspection Date: 4/22/2008
• Email Name: JDM
• Media Type: D
• Archive: No

III. COMMENTS -COMPLIANCE
Below are comments on the inspection. The comments include discussion of observations made
during the inspection. Comments also describe any enforcement actions taken during the inspection
and the facts or evidence supporting the enforcement action.
This was a partial coal inspection conducted by Jason Musick of the Colorado Division of
Reclamation, Mining, and Safety (Division) on 22 April 2008. The weather was clear during the on-
the-ground inspection of the site. Graham Roberts of TMI accompanied the inspection. The weather
was clear and the ground was dry/damp at the time of the inspection due to recent run-off. The only
snow remaining at the site was at the higher elevations, the majority of the snow has melted in the
lower portions of the site.
This inspection focused on the hydrologic balance due to the recent spring run-off. Trapper also
experienced a small slide event on 13 April 08, which was on south of the life of mine road and north
of the Z-strike pit. This damage was also inspected during this inspection.
Roads
The access roads and light use roads appeared to be dry and stable at the time of the inspection.
Access roads to the Flume ponds and the Payette ponds had rutting due to the run-off. These roads
should be graded to limit the amount of rutting and provide adequate drainage. The Haul road
appeared to be in good condition with no problems noted. The small slide event affected the life of
mine haul road as well as the haul road to Z-pit. The life of mine road has been adequately repaired
temporarily to allow haul traffic. An adequate detour has been created to allow access to Z-strike as
the road damaged due to the slide has been closed.
Hydrologic Balance
Ponds were being monitored by Graham Roberts of TMI during this inspection.
• No Name appeared stable with no problems noted. No Name contained water and had a
discharge rate of .3 and ph of 8.5.
• Johnson contained water and had a discharge rate of.2 and ph of 8.4
• West Payette contained water but had no discharge at the time of the inspection.
• East Payette contained water and had a combined discharge of .28 and ph of 7.8. The spring
discharge at East Payette was .3 through the 1" flume with a ph of 7.5.
• Middle Flume contained water and was discharging through the 1" Baskin flume at .23 and ph
at 8.6.
• East Middle Flume contained water with discharge at .01 and ph at 8.2.
All ponds appeared to be stable and in compliance with no problems noted at the time of the
inspection.
Slides and Damage
Trapper Mine experienced a small slide event which affected two haul roads and -.5 acres of
reclamation which hasn't been released north of the life of mine road. This slide included the spoil pile
north of the Z-dip area. It is assumed that this slide was cause by saturation of the spoil during spring
run-off. It is noted that TMI is in the process of determining the best course of action to remediate the
slide area and reinforce the area to prevent the cause of slide events in this area for the future.
Photographs of the slide are below.