2015-01-30_HYDROLOGY - C1981008 ‎(2)‎

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 1/30/2015
• Doc Name: December 2014 DMRS ‎(CO-0000213)‎
• From: Tri-State Generation and Transmission Association, Inc
• To: DRMS
• Permit Index Doc Type: DMR’s
• Email Name: BFB
• Email Name: DIH
• Media Type: D
• Archive: No

Client: Western Fuels CO- 0000213 SCG Project No.: 314392.11
Site: New Horizon Mine 011
WET TEST REPORT FORM — CHRONIC
Permittee: Western Fuels Colorado Outfall: 011
Permit No.: CO- 0000213
Test Type: Routine ® Accelerated ❑
Test Species: Ceriodaphnia dubia I VC: 100%
Test Start Tept End
Time Test Start Date Time Test End Date
1530 07 -29 -2014 1500 08 -05 -2014
- % Effluent
• Survival for day 1
100
100
100
100
100
100
• Survival fbr!q!y 2
100
100
100
100
100
100
• Survival for day 3
100
100
100
100
100
100
• Survival for day 4
100
100
100
100
100
100
• Survival for day 5
100
100
100
100
100
100
• Survival for &y 6
90
100
100
100
100
100
% Survival for day 7
90
100
100
100
100
1 100
Hardness (mg/L) — Receiving Water: N/A Effluent: 1342/733/712 Recon Water: 94
Alkalinity (mg/L) — Receiving Water: N/A Effluent: 162/130/115 Recon Water: 64
Chlorine (mg/L) — Effluent: <0.01 pH (initial/final) — Control: 8.1/8.2 100%:7.6/8.4
Total Ammonia as NH3 (mg/L) - Effluent: 0.05/0.03/<0.03
Were all Test Conditions in Conformance with Division Guidelines? YES N NO
If NO list deviations from test specifications:
Laboratory: SeaCrest Group
Comments:
Analyst's Name: Lauren von Klinggraeff and Raelynn Kadunc
SeaCrest Group 18