REP45258

• Permit No: C1984062
• IBM Index Class Name: Report
• Doc Date: 4/8/1998
• Doc Name: 1997 ANNUAL HYDROLOGY REPORT
• From: COLO YAMPA COAL CO
• To: DMG
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

CYPRUS YAMPA• EY COAL CORPORATION • •
1997 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALFFY DATA smnm~ry ot~mler quAty dofa6rw
Avente Sfd. M~mmm~ MWmmn Unit Coma Bed End
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 10.692 3.1 17.000 5.000 DEGREESC 23 11/92 08/97
2 CONDUCTIVITY FIELD 3153.600 380.9 3900.000 2430.000 UMHOS/CM 23 II/92 08!97
3 LAB 3189.231 272.4 3730.000 2810.000 UMHOS/CM 13 11/92 OSN7
4 pH FIELD 6.969 0.4 7.700 6.440 PH 23 11/92 O8N7
5 LAB 7.030 0.4 7.300 6.800 PH 2 03/97 OBN7
6 ALKALINFFY TOTAL 499.308 61.1 340.000 306.000 MG/L 13 11/92 08/97
7 HARDNESS TOTAL 2193.917 151.7 2540.000 1970.000 hiG/L IZ 11/92 08N7
8 SOLIDS DISSOLVED 3077.338 316.4 3840.000 2738.000 MG/L IJ 11/92 08/97
9 SUSPENDED 46.000 0.0 46.000 46.000 MG/L 1 11/94 IIN4
10 CATIONS CALCRR.1 DISSOLVED 471.692 24.6 304.000 421.000 MG/L 13 11/92 08/97
11 MAGNESRIM DISSOLVED 244.846 26.6 322.000 214.000 MG/L 13 11/92 OSN7
li SODR)M DISSOLVED 71.046 13.6 100.000 56.000 MG/L 13 11/92 O8N7
IJ SAR NOT APPLICABLE 0.639 0.1 0.870 0.348 UNDEFMED 12 11/92 OHN7
14 ANIONS BICARBONATE AS HC03 596.117 78.7 655.000 768.000 MG/L 12 11/92 08/97
15 CARBONATE AS C03 -0.833 1.3 2.000 -2.000 MG/L 12 11/92 08P97
16 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 6 11/94 08/97
17 SULFATE NOT APPLICABLE 1876.462 183.5 2230.000 1668.000 MG/L I3 IIM132 O8N7
18 PRIMARY CADhiB1M DISSOLVED 0.173 1.0 2.900 -0.300 UG/L 12 11/92 08N7
19 TOTAL RECOV -1.000 0.0 -1.000 -1.000 UG/L 1 11/94 I IP94
20 LEAD DISSOLVED -ZB.300 38.4 40.000 -100.000 UG/L 12 11/92 08/97
21 h1ERCUR}' DISSOLVED -0.142 0.1 0.100 -0.200 UG/L 12 11/92 O8N7
22 TOTAL RECOV -0.200 0.0 -0.200 -0.200 UO/L 1 11/94 1IN4
2J SELENRJId DISSOLVED -1.250 2.3 4.000 -3.000 UG/L 12 11/92 08P97
24 TOTAL RECOV -2.000 0.0 -2.000 -2.000 UG/L I 11/94 11/94
25 SILVER TOTAL RECOV -1.000 0.0 -1.000 -1.000 UG/L 1 11/94 11/94
26 SECONDARY ZINC TOTAL RECOV 40.000 0.0 40.000 40.000 UG/L 1 11/94 I1N4
27 IRON DISSOLVED 109.167 230.0 740.000 -30.000 UG/L 12 II/92 08P97
28 TOTAL RECOV 1900.000 0.0 1900.000 1900.000 UG/L 1 II/94 11/94
29 h1ANGANESE DISSOLVED 3373.8JJ 1048.1 4890.000 1260.000 UG/L 12 Il/92 08/97
JO TOTAL RECOV 3400.000 0.0 5400.000 5400.000 UG/L 1 11/94 IIN4
31 TRACE 11fETALS MOL}'BDENUhI DISSOLVED -28.333 19.9 -10.000 -30.000 UG/L 12 11/92 OSN7
32 TOTAL RECOV -20.000 0.0 -20.000 -20.000 UG/L I 11/94 IIN4
3J NU7RIENTS NITROGEN AA1h1RR.1-TOTAL 0.802 0.4 1.620 -0.030 h1G/L IJ II/92 08/97
34 AMh11A-FREE -0.034 0.0 -0.010 -0.030 MG/L 3 05/95 08/97
35 NITRATE 0.147 0.2 0.570 -0.020 h1G/L 12 11/92 08N7
36 NITRITE -0.003 0.0 0.020 -0.010 h1G/L 4 09/95 OB/97
37 N03iN02 0.162 0.2 0.610 -0.020 h1G/L I3 11/92 08/97
38 PHOSPHATE ORTHO-0188 -0.003 0.0 0.006 -0.005 A1G/L 10 12/92 08/97
TABLE 9A SITE: OBSP4B (00&SP-4B)