2017-05-11_PERMIT FILE - C1981012 ‎(17)‎

• Permit No: C1981012
• IBM Index Class Name: Permit File
• Doc Date: 5/11/2017
• Section_Exhibit Name: Exhibit 19 Sediment Design Specifications
• Media Type: D
• Archive: No

EXHIBIT 19
SEDIMENT DESIGN SPECIFICATIONS
VOLUME 2
1) Allen Mine Hydrologic Balance of Surface Runoff
2) Thickener Discharge Plan, 5/31/85 and 3/17/87
3) Results of Annual Pond Survey -Ponds 006 and 007, 11/10/87
4) Refuse Area Road Design, 9/93
5) Miscellaneous Drainage Supplement
i. West Portal Containment Areas 1 and 2, no date
ii. West Portal Culvert Data C21 through C-25, 3/19/97
iii. MR -40 Culverts 43 and 44,1/18/92
iv. TR -23 SAE Demonstrations for Seven Sites
1. West Portal Substation, 0/26/91
2. West Portal Water Tanks, Area 1, 9/26/91
3. West Portal Water Tanks, Area 2, 9/26/91
4. West Portal Core House, 9/18/91
S. East Portal Water Tanks, 5/20/91
v. MR -43 Ditch D-17 and D-33 Included, 3/27/1992
vi. TR -25 Containment Area 1, 6/11/92
1. East of Refuse Belt, 6/20/91
2. West of Refuse Overflow, 6/20/92
3. Containment Area 2, 6/11/92
4. West of Refuse Belt, 6/20/92
vii. TR -30 New Elk Pumphouse, West Portal Area SAE, 10/14/93
1. Culvert 49 West of New Elk Hoist House 10/14/93
2. D -23A, North Road Ditch, North of Hoist House 10/15/93
3. D-2313, North Road Ditch South of Hoist House 10/15/13
4. SAE for Contaminated Topsoil 10/15/93
viii. TR -31 Ditch 24 &24A, Culverts C34, C35, C36, C46, C47, 12/3/93
1. Culvert C-48 on Ditch D26,12/3/93
ix. TR -33 D18 from Head to 960' West 10/8/93
x. SAE Demo, Topsoil Pile 2, NW of Plant 11/29/93
xi. TR -35 East Side of Dev Coal Waste Pile SAE 7/6/94
xii. TR -38 Refuse Area Ditch D35C and Culvert C58 3/7/95
1. Refuse Area Ditch D-36 3/7/95
2. Refuse Area Ditch D -35A 3/7/95
3. Refuse Area Ditch D -365B 3/7/95
4. Refuse Area Culvert C57 3/23/95
6) Ditch 17B and Culvert C5012/2/93
RN -6 Page i Revised 2016-01-24