2012-01-26_HYDROLOGY - C2009087

• Permit No: C2009087
• IBM Index Class Name: HYDROLOGY
• Doc Date: 1/26/2012
• Doc Name: 4th Quarter 2011 DMR'S ‎(CO-0048275)‎
• From: Peabody SAge Creek Mining LLC
• To: Water Quality Control Division
• Permit Index Doc Type: DMR’s
• Email Name: JDM
• Media Type: D
• Archive: No

MEASUREMENTS
LETHALITY
CONTROL
STATISTICAL METHOD
6.50%
13.00%
25.00%
50.00%
Pass /Fail
100%
Day 1 % Survival
100
>100%
100
100
100
100
N/A
100
Day 2
100
100
100
100
100
100
Day 3
100
100
100
100
100
100
Day 4
100
100
100
100
100
100
Day 5
100
100
100
100
100
100
Day 6
100
100
100
100
100
100
Day 7
100
100
100
100
100
100
7 Day Mean Dry Weight
I 0.2025 I
0.195 I 0.191 I 0.2195 I 0.2015 I
0.2565
pH (Maximum /Minimum)
I 7.418 -8.481 1 7.073 -8.027 1 7.757 -8.235 1 7.418 -8.481 1 7.791 -8.326 I 7.757 -8.235
TEST RESULTS
LETHALITY
GROWTH
STATISTICAL METHOD
Concentration w/ Statistical Difference
>100%
>100%
Fisher's Exact/Dunnett's
Pass /Fail
Pass
N/A
IC
>100%
>100%
Bootstrap
Pass /Fail
Pass
N/A
PERMITTEE:
COLORADO - CDPS WET TEST REPORT FORM - CHRONI
o0Ligx
CDPS NO. CO- 0000224 OUTF LL: WTA
C .teek
- Seneca -Geei-
TEST TYPE: ROUTINE XX ACCELERATED
TEST TIME & DATE START Oct. 18, 2011
10:30 AM
HARDNESS (MG /L) EFFLUENT: 1640 -1666
ALKALINITY (MG /L) EFFLUENT: 293 -315
T. AMMONIA (MG /L) INITIAL EFFLUENT: <1.0
T.RESIDUAL CHLORINE (MG /L) EFFLUENT: <0.1
LABORATORY: ENVIRO -CHEM ANALYTICAL, INC.
DILUTION (% EFFLUENT)
TEST SPECIES: P. promelas
ANALYST:
END Oct. 25, 2011
10:30 AM
MHW WATER: 80.5
MHW WATER: 69.5
FINAL EFFLUENT: <1.0
I
IWC: 100%
RECEIVING WATER USED FOR DILUTION? NO
WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES
IF NO, LIST ALL DEVIATIONS: