2010-04-16_REPORT - C1981044 ‎(5)‎

• Permit No: C1981044
• IBM Index Class Name: REPORT
• Doc Date: 4/16/2010
• Doc Name: 2009 Annual Hydrology Report
• From: BTU Empire Corporation
• To: DRMS
• Annual Report Year: 2009
• Permit Index Doc Type: Hydrology Report
• Email Name: JRS
• Email Name: SB1
• Media Type: D
• Archive: No

Annua9fdrology Report Ta 14

_ TwenCylnle Coal Company ?'
Report run on: March 29
2007 8:19 AA. '
, Page
Project: 2003 Will iams Fork Mine Station: 259 259 Classification: WELL
Category Parameter Analysis Type Average Std Dev Max Min Count Units Begin End
ANIONS BICARBONATE AS HC03 202.34 102.70 298.90 24.00 24 MG/L 03/81 06/OC
CARBONATE AS CAC03 -2.00 0.00 -2.00 -2.00 1 MG/L 11/96 11/9E
AS C03 1.25 6.43 17.00 -2.00 8 MG/L 06/91 06/OC
CHLORIDE NOT APPLICABLE 4.29 3.43 12.00 -1.00 24 MG/L 03/81 06/OC
HYDROXIDE AS CAC03 -2.00 0.00 -2.00 -2.00 1 MG/L 11/96 11/9E
AS OH -1.50 1.00 0.00 -2.00 4 MG/L 06/92 06/95
SULFATE NOT APPLICABLE 40.00 30.04 95.00 -10.00 24 MG/L 03/81 06/OC
CATIONS CALCIUM DISSOLVED 30.09 23.41 76.00 4.40 16 MG/L 06/83 06/OC
TOTAL RECOV 50.38 7.07 .54.00 33.00 8 MG/L 03/81 12/82
MAGNESIUM DISSOLVED 13.71 8.97 24.20 2.00 16 MG/L 06/83 06/OC
TOTAL RECOV 21.93 1.01 23.00 20.00 8 MG/L 03/81 12/82
POTASSIUM DISSOLVED 1.80 0.00 1.80 1.80 1 MG/L 06/83 06/82
TOTAL RECOV 2.09 0.23 2.50 1.80 8 MG/L 03/81 12/82
SAR NOT APPLICABLE 0.99 0.23 1.68 0.50 20 UNDEFINED 03/81 06/95
SODIUM DISSOLVED 24.10 9.81 38.00 8.00 16 MG/L 06/83 06/OC
TOTAL RECOV 33.50 2.62 37.00 30.00 8 MG/L 03/81 12/82
MEASURED PROPERTIES WATER LEVEL FIELD 6130.38 1.24 6132.60 6127.35 29 FEET (MSL) 06/84 11/91
MINOR FLUORIDE NOT APPLICABLE 0.56 0.12 0.80 0.40 19 MG/L 03/81 06/94
NUTRIENTS NITROGEN NITRATE -0.01 0.03 0.09 -0.02 15 MG/L 03/85 06/00
NITRITE 0.00 0.01 0.02 -0.01 5 MG/L 06/92 06/99
NO3+NO2 0.01 0.06 0.26 -0.02 21 MG/L 03/81 06/99
PHYSICAL PROPERTIES ACIDITY AS CAC03 0.00 0.00 0.00 0.00 1 MG/L 03/85 03/85
ALKALINITY TOTAL 165.09 84.13 245.00 24.00 23 MG/L 03/81 06/00
CONDUCTIVITY FIELD 434.99 255.86 1440.00 109.20 81 UMHOS/CM 01/82 06/01
LAB 397.00 176.35 570.00 106.00 24 UMHOS/CM 03/81 06/00
HARDNESS AS CAC03 171.81 80.15 230.00 26.00 16 MG/L 03/81 06/95
OIL&GREASE VISIBLE NOT APPLICABLE 2.00 0.00 2.00 2.00 8 UNDEFINED 03/93 12/96
PH FIELD 7.43 0.57 8.80 6.00 81 PH 01/82 06/01
LAB 7.54 0.72 8.41 5.90 23 PH 06/81 06/00
SOLIDS SUSPENDED 133.00 184.21 345.00 12.00 3 MG/L 03/81 03/85
TOTAL-DISS 267.26 96.46 375.00 70.00 19 MG/L 03/81 06/94
TEMPERATURE FIELD 10.88 3.10 18.90 4.00 77 DEGREES C 05/82 06/01
PRIMARY ARSENIC DISSOLVED -3.13 10.00 6.00 -40.00 16 UG/L 06/83 06/00
TOTAL RECOV 0.13 3.04 7.00 -2.00 8 UG/L 03/81 12/82
BARIUM DISSOLVED -200.00 0.00 -200.00 -200.00 1 UG/L 06/83 06/83