REP27674

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1997 AHR Exhibit 2 CDMR 4th Q
• From: KENNECOTT ENERGY COLOWYO COAL CO
• To: WQDC
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

= Ms Carla Lenkey
THIRD QUARTER 1997 D>VIR
December 9, 1997
page 2
The self-monitoring data provided on the enclosed DMRs indicate levels above certain discharge permit
conditions as indicated and discussed below, which primarily are related to storm events occurring in September:
Outfall Reported
u e Parameter Date Results
002A pH 7/14(97 9.5 (maximum)
TSS, mg/1 n/a 54 (30 day avg)
TSS, mg/t 9/22(97 138 (daily max)
004A TSS, mg/1 n!a 243 (30 day avg)
TSS, mg/I 9/19/97 532 (daily max)
SS, ml/1(h 9/19/97 1000 (daily max)
Total Fe, mg/1 n/a 44.0 (30 day avg)
Total Fe, mg/1 9/19/97 130 (daily max)
OOSA TSS, mg/1 9/22/97* 52 (30 day avg)
007A TSS, mg/1
TSS, mg/1
SS, ml/I/h
Total Fe, mg/1
Total Fe, mg/1
008A TSS, mg/1
TSS, mg/I
SS, ml/1/h
Total Fe, mg/1
Total Fe, mg/1
n/a 2175 (30 day avg)
9/i9/97 8130 (daily max)
9/19/97 160 (daily max)
n/a 13.5 (30 day avg)
9/19/97 50 (daily max)
n/a 3300 (30 day avg)
9/22/97 6600 (daily max)
9/22/97 35 (daily max)
n/a 60 (30 daily avg)
9/22/97 120 (daily max)
OlOA TSS, mg/1 n/a 890 (30 day avg)
TSS, mg/I 9/22/97 1780 (daily max)
SS, ml/1/h 9/22/97 11 (daily max)
Total Fe, mg/1 n/a 20 (30 day avg)
Total Fe, mg/l 9/22/97 40 (30 daily max)
*Outfall OOSA only one sample was taken during the quarter
Permit
Conditions
9.0 (maximum)
35 (30 day avg)
70 (daily max)
35 (30 day avg)
70 (daily max)
0.5 (daily max)
3.5 (30 day avg)
7.0 (daily max)
35 (30 day avg)
35 (30 day avg)
70 (daily max)
0.5 (daily max)
3.5 (30 day avg)
7.0 (daily max)
35 (30 day avg)
70 (daily max)
0.5 (daily max)
3.5 (daily avg)
7.0 (daily max)
35 (30 day avg)
70 (daily max)
0.5 (daily max)
3.5 (30 day avg)
7.0 (daily max)