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

Powderhorn Co ~mpany
Paradox HydrolSystem
2/02/98 2:07 pm Milliequivalents ~ of Total
Site: YSGFS
Type: SURF
Drainage GRASSY
•
Page 3
..... ...... ...... Cations .... ..... ..... ... ..... ..... ...Anions.. ...... ..... ..... ..
Sample
Date CA MG NA K 504 CL HCO CO3 TDS
5/02/91 1250 47 .93 90. 20 10. 81 1 .06 67. 22 1. 63 29. 77 1 .38 796
6/10/91 1430 47 .72 39. 35 11 .93 1 .00 61. 56 1. 52 34. 36 2 .56 790
9/05/91 0940 50 .15 39. 69 8 .68 1 .28 52. 38 1 .44 42. 79 3 .39 798
9/09/92 1320 50 .69 39. 66 8 .71 .95 66. 89 1 .64 30. 26 1 .21 804
5/19/92 1620 48 .83 40. 87 9 .35 .95 60. 95 1 .50 35. 02 2 .53 896
6/16/92 1450 97 .29 39. 29 12 .52 .90 60. 97 1 .37 37. 19 .46 828
7/16/92 0950 98 .47 39. 13 11 .52 .87 59. 41 1. 33 39. 27 0 .00 932
8/10/92 1450 47 .93 39. 01 11. 99 1. 12 57. 76 1. 22 35. 04 5 .97 916
9/10/92 1550 48 .82 39. 47 10. 57 1. 19 55. 32 1. 39 40. 83 2 .96 902
10/13/92 1340 48. 41 39. 91 10. 69 . 99 57. 77 1. 72 38. 93 1 .58 966
11/09/92 1600 96. 85 39. 66 12. 53 . 96 56. 93 1. 91 90. 21 1 .96 916
3/19/93 1400 97. 11 39. 14 12. 66 1. 09 64. 99 1. 39 30. 81 2 .81 784
4/21/93 0920 97. 73 91. 36 9. 87 1. 04 65. 21 2. 09 32. 69 0 .00 746
5/13/93 1000 98. 64 40. 69 9. 91 1. 05 61. 60 1. 39 37. 01 0 .00 556
6/29/93 1300 49. 31 39. 96 9. 64 1. 09 55. 63 1. 36 93. 01 0 .00 694
7/21/93 1120 98. 50 40. 32 9. 97 1. 21 53. 42 1. 28 95. 29 0 .00 732
8/18/93 1000 98. 16 40. 88 9. 88 1. 09 52. 49 1. 43 46. 07 0 .00 830
9/15/93 0930 97. 81 40. 55 10. 42 1. 23 52. 73 1. 56 95. 71 0 .00 804 0
10/15/93 0920 98. 80 39. 26 10. 72 1. 22 55. 31 1. 96 38. 35 9. 38 738
9/25/95 1100 98. 03 40. 89 10. 03 1. 11 52. 89 1. 29 45. 49 . 43 960 ^'
4/16/96 1500 98. 56 41. 42 8. 91 1. 11 60. 96 1. 19 37. 23 . 67 570 ~
6/09/96 0930 98. 09 41. 52 9. 37 1. 02 52. 30 1. 52 45. 58 . 60 650
9/10/96 0640 50. 53 38. 76 9. 51 1. 20 52. 22 1. 62 45. 69 . 48 890
9/16/97 1310 98. 59 41. 04 9. 40 . 97 69. 69 1. 51 31. 53 2. 08 700
6/12/97 1120 48. 46 41. 98 8. 64 . 92 52. 99 1. 84 95. 10 .62 640
9/04/97 1130 48. 96 40. 02 9. 88 1. 15 53. 00 1. 94 43. 67 1. 70 870
Condition Specified: From 1/01/91 To 9/30/97...SURF...Area=YST