REP32481

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: TABLE 46A CYPRUS YAMPA VALLEY COAL CORP SUMMARY OF WATER QUALITY DATA
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

TABLE 47A
CYPRUS YAMPA VALLEY COAL CORP
SUMMARY OF HATER QUALITY DATA
STATION NUMBER: 69 --- TROUT CREEK BELON MIDDLE (69)
Average Std Maximus Mi ninon Units Co~mt Period
SECONDARY
COPPER TOTAL -15.900 34.4 50.000 -80.000 UG/L 10 10/80 - 04/85
ZINC TOTAL 14.444 21.6 60.000 -10.000 UG/L 9 10/80 - O1/85
TOTAL RECOV 8.438 19.0 50.000 -10.000 UG/L 32 06/87 - 09/96
IRON TOTAL 2954.164 5927.7 47400.000 -20.000 UG/L 177 03/79 - 01/87
TOTAL RECOV 583.750 595.5 2100.000 50.000 UG/L 32 06/87 - 09/96
MANGANESE TOTAL 233.366 706.2 8700.000 -20.000 UG/L 175 03/79 - 01/87
TOTAL RECOV 66.188 59.9 330.000 10.000 UG/L 32 06/87 - 09/96
TRACE METALS
BORON TOTAL 42.857 159.9 300.000 -100.000 UG/L 7 10/80 - 02/85
MOLYBDENUM TOTAL -165.556 72.0 -90.000 -300.000 UG/L 9 10/80 - 10/84
TOTAL RECOV -30.000 20.3 -10.OD0 -SD. 000 UG/L 32 06/87 - 09/96
NUTRIENTS
NITROGEN AMMIUM-TOTAL 0.049 0.2 1.200 -0.200 MG/L 36 04/81 - 09/96
AMMIA-FREE -0.009 0.0 0.089 -0.050 MG/l 29 10/80 - 09/96
NITRATE 0.038 0.1 0.420 -0.020 MG/L 32 06/87 - 09/96
NITRITE -0.010 0.0 -0.010 -0.010 MG/L 8 06/95 - 09/96
N03+N02 0.614 0.8 3.940 -0.050 MG/L 166 10/80 - 09/96
PHOSPHATE ORTHO-D I55 0.011 0.0 0.140 -0.020 NG/L 41 10/80 - 09/96
Report Date: 27-FEB-97 Page: 3 of 3
Report Name; NDA020R