REP36013

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1997 AHR EXHIBIT 1 / 1994 OR 95 INSTEAAD
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

COLOWYO COAL COMPANY
TAYLOR CREEK
ALK AS BICARB CA COND FCOND L FE T FLOW FNRO HG MG MN N N NA NH3 PB TR PH
F PH
L P T SAR SE 501 TDS TEMP TSS ZN
DATE mp/I mp/I mp/1 mp/1 umhoc umhos mBA c1e m9/I mp/I mp(I mp/I mgA mp/I mp/I mpA _ _ mpn mp/I mpA mp/I C mpA mp/I
10-Jun-07 2]5 0.001 2i5 9t 1910 0.3 06 71i 0.0002 118 0.04 2.8 Bfi 0.02 0.02 ].0 0.04 1.OB 0.008 40.5 882 B8 0.01
18-Jun-B] 1480 0.49 8.2 25.0
20-Jul-B) O.W
IB-Aup-87 0 W
ta-sep-ai o.ao
z1-on-B] o.oo
25-Nov-B) 0 W
21-Da-8] 1980 i.0 B
21-De-87 0.28 0 0
Ot-Mer-BB 3ti 0028 320 101 12W 4 0.20 883 00002 100 ].85 3.13 75 0.22 B.1 10.3 1.28 0.008 407 1410 20584 0.48
31-Mer-BB 408 0.009 d08 128 1650 284 0.15 872 0.0002 159 083 4.55 150 0.15 0.02 7.9 185 2.2 p.008 BBi 14T6 2230 0.04
20-Apr-BB 19]0 0.00 003 ].9 182
31-May-88 24] 0.001 247 BS 13]0 0.]t 028 702 0.0002 128 0.7 88 O.W 0.02 B.2 0.14 1.4 O.W] 515 1112 2]2 0.01
27-Jun-BB 285 0.001 265 B2 1880 0.4] 0.28 7D1 0.0001 143 O.OB fld 0.04 0.02 8.2 0.02 14] O.W] 850 12]d 24 001
20-Jul-M 18]0 0.22 8.1 100
18-A147-88 1580 IBBO 0.12 B.5 ].B 19 438
tD~ap-ea 1280 mo o.w B.z ze 1s e
12-OC-88 J20 0.001 320 111 2010 19W 0.22 0.37 0.0001 238 0.05 126 012 002 B B.1 0.01 1.57 0004 1088 tB04 14 e2 O.Ot
30-Nov-M 18Bp 0.01 7.5 2
pe-D¢-Ba O.W
12-Jen-® 0.00
25-Jan-BB O.W
22-Feb-80 63 0.002 0.1 28 44] 0.5 0.00 0.0001 IB 0.08 28 0.11 0.02 ].0 0.323 1.08 O.W1 BD 318 28 0.01
30-Mer-89 1280 0.003 78 2
26-May-BB 0.00
2]-Jul-BB 0 W
OS-Oct-BD 338 0.001 310 BB 2440 21W 0.41 0.003 B]8 0.0001 160 001 174 0.05 0.03 8.87 8.8 0.055 2.SB O.OOB 1128 iD30 28 0.01
30-Nw-BB O.W
2B-on:-eo o W
11-Jen-W 0.00
28-Fab-90 ]B 0.003 78 32 2W 132 0.37 113 0.001 8 4.3 1.38 8 024 0.3 8 3.79 0.25 0.01 1B 144 BDIO O.B
27-Mer-W 0
30-Apr-W 0
30-MeY-a0 1868 0 B.BO 16
28-Jun-W 0
1D-Jul-W 1W1 0 B.BO B.1 17 3B
OB-AUp-W 0
21-Sap-W 0
W-Nw-W 240 0002 240 BB 1510 57 O.OD 654 O.OWt 101 0.02 0.02 80 O.OB 0.02 8.2 0.11 1.38 0.001 SID 1132 30 001
01-Dec-W 0
10-Jan-Bl 0
25-Fab-O1 2BB 0.008 281 11] 1410 15.3 0.014 804 O.OWI BB O.d 0.4 W 0.21 0.02 8.8 0.7 1.57 009 SB7 1188 4 118 0.09
28-Mar-D1 0
IB-Apr-DI 0
1]-Mny-91 0
28-Jun-91 0
23-Jul-BI 0
1B-AUp-B1 0
30-Sap-91 O
1]-OC1-D1 0
IS-Nw-91 0
18-Dec-01 0
22-Jen-02 0
11-Feb-92 0
28-Mer-B2 0
28-Apr-D2 0
02-Jen-W 0
23-Jun-B2 0