2012-10-05_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 10/5/2012
• Doc Name: WET Testing - No Pattern of Toxicity Outfall 013 ‎(CO-0000213)‎
• From: Western Fuels Colorado
• To: WQCD
• Email Name: MLT
• Email Name: SB1
• Media Type: D
• Archive: No

Measurements
Control
(0 %)
20%
40%
60%
80%
100%
% Survival for day 1
100
100
100
100
100
100
% Survival for day 2
100
100
100
100
100
100
% Survival for day 3
100
100
100
90
100
100
°u Survival for day 4
% Survival for day 5
100
100
100
90
100
100
90
90
100
90
100
100
"o Survival for day 6
90
90
100
90
100
100
Mean 3 Brood Total
14.8
15.2
18,0
13.5
16.3
14.5
Test Results
Lethality
Reproduction
NOEC
100%
100%
PASS
PASS
IC2s
>100%
>100%
PASS
PASS
Client: Western Fuels CO -0000213
Site: New HIorizon Mine 013
Permittee: Western Fuels Outfall: 013
Permit No.: CO- 0000213
Test Type: Routine ❑ Accelerated
Test Species: Ceriodaphnia dubia !WC: 100%
Test Start
Time
1130
SeaCrest Group
WET TEST REPORT FORM — ACCELERATED CHRONIC #3
Test Start Date
09 -11 -2012
Test End
Time
1115
Dilutions) - % Effluent
SCG Project No.: 3121007.B
Hardness (mg/L) — Receiving Water: N/A Effluent: 1291/859/979
Alkalinity (mg/L) — Receiving Water: N/A Effluent: 226 /270/261
Chlorine (mg/L) — Effluent: <0.01 pH (initial /final) — Control: 8.5/8.3
Total Ammonia as NH3 (mg/L) — Effluent: 0.771/3.69/1.45
Were all Test Conditions in Conformance with Division Guidelines? YES
If NO, list deviations from test specifications:
Laboratory: SeaCrest Group
Comments: Control reproduction was 15.7 for test acceptability criteria.
Analyst's Name: Katia Hannah and Chelsea Justis
Test End Date
09 -17 -2012
Recon Water: 82
Recon Water: 58
100 %: 7.7/8.2
NO
(I
17