REP12032

• Permit No: C1994082
• IBM Index Class Name: Report
• Doc Date: 2/24/1998
• Doc Name: 1997 AHR APPENDIX C & D
• From: Seneca Coal Company
• To: DMG
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

• Powderlio rn Co~~mpany
Paradox Hydrolo System
2/02/98 2:07 pm Milliequivalents ~ of Total
Site; YSSF3
Type; SURF
Drainage SAGE
• age 7
..... ...... ...... Cations ... ...... ..... ... ..... ..... ...Anions.. ...... ..... ..... ..
Sample
Date CA MG NA K SO4 CL HCO CO3 TDS
5/01/91 1150 50. 95 90. 51 7 .14 1 .90 31. 23 2 .02 65. 56 1 .19 332
6/17/91 1610 96. 63 39. 94 11 .12 .62 22. 96 1 .33 73. 08 2 .63 340
9/02/91 1100 49. 16 43. 58 6 .45 .61 21. 63 .86 73. 29 9 .07 502
4/13/92 1450 51. 81 92. 04 5 .73 .42 25. 75 1 .89 69. 58 2 .79 328
5/19/92 1530 52. 55 40. 49 6 .11 .90 23. 95 1 .99 70. 96 4 .11 294
6/18/92 1530 51. 42 41. 77 6 .02 .79 19. 38 .85 76. 27 3 .50 382
7/15/92 1420 49. 70 41. 53 8 .09 .68 20. 66 1 .12 76. 02 0 .00 452
8/10/92 1390 49. 40 43. 12 6 .59 .89 21. 13 . 9B 65. 97 11 .92 492
9/10/92 1930 98. 00 49. 42 6 .83 .75 17. 31 1. 14 75. 80 5 .75 990
10/19/92 1300 47. 00 45. 73 6 .55 .72 27. 36 1. 34 64. 31 6 .98 556
11/09/92 1430 47. 81 45. 17 6 .51 .51 91. 19 1. 13 56. 01 1 .67 540
3/31/93 1320 48. 86 93. 74 6 .69 .72 30. 20 1. 22 63. 80 4 .79 350
9/21/93 1110 50. 14 92. 63 6 .83 .90 22. 31 6 .61 71. 08 0 .00 310
5/06/93 1520 53. 42 39. 15 6 .21 1 .22 28. 16 1. 36 70. 47 0 .00 236
6/23/93 1440 52. 29 41. 07 5. 79 .85 14. 11 . 96 84. 90 0 .00 280
7/20/93 1420 49. 61 43. 23 6. 28 .67 20. 59 . 75 78. 65 0 .00 372
8/17/93 1490 48. 39 49. 39 6. 70 .56 23. 92 . 96 75. 12 0 .00 448
9/19/93 1300 47. 36 45. 30 6. 61 .73 27. 26 1. 09 71. 65 0 .00 499
10/14/93 1410 48. 32 44. 62 6 .32 .74 28. 18 1. 36 63. 37 7 .09 594
4/19/94 1200 51. 22 41. 57 6. 38 .83 25. 09 1. 45 73. 50 0 .00 290
6/10/94 1220 50. 06 43. 04 6. 15 .72 20. 06 1. 20 78. 74 0 .00 368
9/13/95 1130 99. 97 92. 65 6. 68 .70 95. 28 1. 99 52. 42 .85 430
6/05/95 1100 54. 92 38. 96 5. 53 1 .08 26. 31 1. 19 71. 10 1 .40 230
9/19/95 0930 95. 45 46. 74 6. 99 .B1 27. 29 . 32 71. 62 .77 430
9/16/96 1020 52. 18 40. 88 6. 01 .92 22. 15 1. 80 79. 63 1 .42 240
6/06/96 1100 53. 65 39. 99 5. 50 .67 20. 90 . 94 77. 04 1 .12 310
9/16/96 1330 47. 70 44. 77 6. 77 .76 27. 52 1. 15 70. 66 .68 530
4/16/97 1120 49. 29 40. 80 9. 21 .70 45. 60 2. 06 50. 26 2 .09 550
6/06/97 1415 54. 12 39. 65 5. 18 1 .05 20. 67 . 56 77. 95 1 .32 260
9/04/97 1500 99. 97 42. 69 6. 49 .70 29. 43 . 74 71. 36 3 .98 380
C7
N
Condition Specified: From 1/01/91 To 9/30/97...SURF...Area=YST