REP02002

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: TABLE 1 CYPRUS YAMPA VALLEY COAL CORP FOIDEL CREEK MINE 1998 ANNUAL HYDROLOGY REPORT WATER QUALITY D
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

• '~
~PRUS YAMPA VALLEY COAL CORPORATION: FOiDEL CREEK MINE
98 ANNUAL HYDROLOGIC REPORT
UMM1]ARY OF WATER QUALfIY DATA

~ummsry of inter quallry defa6m
Avenge Std. Me:lmum MWmum Unib Count Begln End
1 P17YSICAL PROPERTIES TEMPERATURE FIELD 13.336 2.4 18.000 6.000 DEGREES C 33 01/87 09/98
2 ~ CONDUCTIVITY FIELD 1376.240 306.6 1600.000 370.000 UMHOS/CM 33 OI/87 09N8
7 LAB 1283.387 202.1 1430.000 347.000 UMHOS/CM 24 03/67 09N8
4 PH FIELD 8.664 0.3 9.300 7.600 PH 33 01/67 09P98
5 LAB 8.660 0.1 8.700 8.600 PH 3 IO/86 09/98
6 ALKALMfIY TOTAL 520.423 78.2 388.000 199.000 MG/L 26 08/83 09N8
7 HARDNESS TOTAL 13.969 61.2 309.000 -9.100 MG/L 26 08/87 09N8
B SOLIDS DISSOLVED 817.463 121.6 960,000 330.000 MG/L 26 08/87 09/98
9 CATIONS CALCRIM DISSOLVED 4.377 13.3 68.000 -1.000 MG/L 26 08/83 09198
10 MAGNESIUM DISSOLVED 1.008 6.8 74.000 •1.000 MG/L 26 08/83 09/98
11 BODKIN DISSOLVED 313.160 74.8 378.000 37000 MG/L 23 08/63 09/98
]3 POTASSRIM DISSOLVED 0.700 0.0 0.700 0700 MG/L I 08/83 08/83
i 17 SAR NOT APPLICABLE 74.601 42.9 172.796 1409 UNDEFINED 27 08/83 09/98
' 14 ANIONS BICARBONATE AS HCO7 362.688 116.6 667.000 205.000 MG/L 25 10/86 09N8
15 CARBONATE AS C03 35.096 4L7 233.000 7.800 MG/L 23 10/86 09N8
16 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 8 03/93 09/98
17 CHLORIDE NOT APPLICABLE 2.000 0.0 2.000 2.000 MG/L 1 08/83 08/83
I8 SULFATE NOT APPLICABLE 187.160 33.4 240.000 99.000 MG/L 23 OS/83 09P98
I9 PRIMARY ARSENIC DISSOLVED -2.000 0.0 •2.000 •2.000 UG/L 1 08/83 08/63
30 BARIUM DISSOLVED 200.000 0.0 200.000 200.000 UG/L 1 08/83 08/83
3I CADMRIM DISSOLVED 0.168 1.9 8.000 -3.000 UG/L 23 08/83 09/98
33 LEAD DISSOLVED -23.600 23.6 50.000 -100.000 UG/L 25 08/83 09/98
23 MERCURY DISSOLVED -0.180 0.2 0.200 •1.000 UG/L 33 08/83 09/96
24 SELENRJM DISSOLVED -0.680 0.8 3.000 •2.000 UG/L 23 08/63 09/98
IS SILVER DISSOLVED •20.000 0.0 -20.000 -20.000 UG/L 1 08/87 08/83
36 SECONDARY IRON DISSOLVED 103.300 794.3 1940.000 •20.000 UG/L 24 03/87 09/98
27 TOTAL 120.000 0.0 120.000 120.000 UG/L i IO/86 10/86
4
12R MANGANESE DISSOLVED -1.208 17.8 60.000 -30.000 UG/L 24 03/87 09/98
i 29 TOTAL 10.000 0.0 10.000 10.000 UG/L 1 10/86 IO/86
30 TRACE METALS MOLYBDENUM DISSOLVED -32.300 19.6 -10.000 •30.000 UG/L 24 03/87 09/98
ll NUTRIENTS NITROGEN AMMRIM-TOTAL -0.020 0.0 -0.020 -0.020 A1G/L 1 11/87 II/87
33 AMNIA-FREE -0.003 0.0 -0.003 -0.007 MG/L 1 11/87 11/87
33 NITRATE 0.220 0.2 0.770 -0.020 MG/L 24 03/87 09N8
31 NffR1T'E 0.072 0.0 0.080 -0.010 MG/L 9 06/93 09N8
33 N03+N02 0.263 0.3 0.760 -0.020 MG/L 25 08/83 09/98
76 PHOSPHATE ORTH0.DISS 0.028 0.0 0.030 -0.010 MG/L 24 03/67 09N8
SITE: 0183106 (001-63-106)