Beneficial Reuse of Coal Ash Ad Hoc Committee Report

The report discusses the beneficial reuse of coal combustion products, outlining various applications like soil nutrient additives, manufacturing materials, structural fills, and recovery of contained materials. It highlights different types of structural fills and their distribution by county in North Carolina, emphasizing the environmentally friendly practices and regulatory aspects.

• Coal Ash
• Environmental Management
• Recycling
• Sustainable Practices
• North Carolina

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1. Beneficial Reuse Of Coal Ash Ad Hoc Committee Environmental Management Commission November 24, 2014 COAL COMBUSTION PRODUCTS QUANTITIES PRODUCED AND DISPOSED Ellen Lorscheider Solid Waste Section Planning and Programs Branch Head Division of Waste Management ellen.lorscheider@ncdenr.gov (919)707-8245

2. 2 15A NCAC 13B .1708 OTHER USES FOR COAL COMBUSTION BY-PRODUCTS Coal combustion by-products may be beneficially used on one or more of the following applications or when handled, processed, transported or stockpiled for such beneficial use applications and do not require a solid waste permit provided the uses are consistent with the requirements identified below: soil nutrient additives or other agricultural purposes under the authority of the North Carolina Department of Agriculture; traction control material or road surface material if the use is approved by the North Carolina Department of Transportation; material in the manufacturing of another product, including, but not limited to concrete products, lightweight aggregate, roofing materials, plastics, paint, flowable fill and roller compacted concrete or as a substitute for a product or material resource, including but not limited to, blasting grit, roofing granules, filter cloth precoat for sludge dewatering and pipe bedding; fill for the base, sub-base, under a structure or the footprint of a paved road, a parking lot, sidewalk, walkway or similar structure; extraction or recovery of materials and compounds contained within the coal combustion by-products CCB processed with a cementitious binder to produce a stabilized structural fill product which is spread and compacted for the construction of a project with a planned end use

3. 3 Different Types of Structural Fills Number of Regulated Structural Fills 61 total 40 over 10,000 cubic yards 21 under 10,000 cubic yards Number of Pre-Regulatory Structural Fills (pre January 4, 1994) 18 total 6 over 10,000 cubic yards 12 under 10,000 cubic yards Number of Structural Fills Regulated by Division of Water Resources 3 total 3 over 10,000 cubic yards

4. 4 Structural Fills by County Halifax 9 Henderson 1 Iredell 17 Mecklenburg 2 Nash 10 Northampton 1 Person 3 Robeson 2 Rowan 2 Stokes 2 Washington - 1 Brunswick 7 Buncombe 3 Cabarrus 1 Catawba 4 Columbus 1 Craven 1 Cumberland 6 Duplin 3 Durham 1 Edgecombe 1 Forsyth 2 Gaston 2 The Coastal Plains 42 The Piedmont 36 The Mountains - 4

5. 5 Northampton Co

6. 6 Halifax Co 11.52 acres 127,776 cubic yards

7. 7 15A NCAC 13B .1710 ANNUAL REPORTING By October 1 of each year, the generators of coal combustion by-products shall submit an annual summary to the Division. The annual summary shall be for the period July 1 through June 31 and shall include: (1) Volume of coal combustion by-products produced; (2) Volume of coal combustion by-products disposed; (3) Volume of coal combustion by-products used in structural fill facilities; (4) Volume of coal combustion by-products used for other uses as described in Rule .1708 of this Section.

8. 8 Coal Combustion by Products 2013-2014 FGD Tons Produced Ash Tons Disposed 3,663.50 0.00 178,540.00 88,254.00 543,902.00 389,226.00 0.00 0.00 235,747.00 219,354.00 0.00 0.00 452,206.00 369,968.00 0.00 0.00 22,858.84 0.00 23,875.06 0.00 0.00 84,495.00 FGD Tons Disposed Ash Used in Structural fill Gypsum Tons Other Uses Facility Ash Tons Produced Ash Tons Other Uses Marine Corps Air Station, Cherry Point Duke Energy Allen Steam Station Duke Energy Belews Creek SS Duke Energy Buck SS Duke Energy Cliffside SS Duke Energy Dan River SS Duke Energy Marshall SS Duke Energy Riverbend Edgecombe Genco,LLC University of North Carolina at Chapel Hill Progress Energy Carolinas - Asheville Progress Energy Carolinas - Mayo Steam Electric Plant DAK Americas Progress Energy - Roxboro Steam Electric Plant Westmoreland Partners, Roanoke Valley Energy Plant Capital Power Corporation - Southport Facility Capital Power Corporation - Roxboro Facility Dupont Kinston Blue Ridge Paper Products - Canton Mill Waynesville Domtar Paper Company, LLC Corn Products International Duke University Totals 3,663.50 239,160.00 198,052.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4,347.00 262,990.00 83,060.00 146,361.00 293,820.00 0.00 0.00 0.00 0.00 192,691.00 135,219.00 1,509.00 0.00 15,192.00 92,412.00 0.00 0.00 0.00 381,082.00 28,418.00 132.00 0.00 11,793.55 327,373.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11,065.29 23,875.06 0.00 0.00 1,081.00 0.00 83,414.00 144,674.00 138,499.00 108,739.00 383.00 0.00 0.00 0.00 35,935.00 138,116.00 0.00 0.00 0.00 0.00 0.00 662,522.00 427,472.00 542,806.00 0.00 26,024.00 93,692.00 427,472.00 118,220.04 0.00 118,220.04 0.00 0.00 0.00 52,074.00 0.00 52,074.00 0.00 0.00 0.00 15,685.00 0.00 0.00 15,685.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 56,945.00 0.00 0.00 0.00 0.00 56,945.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 454.51 0.00 156.61 0.00 297.90 0.00 0.00 2,511,366.95 1,717,268.00 1,909,274.15 432,438.00 37,949.55 475,386.25 1,298,208.00

9. 9 FGD 2,500,000 25 2,000,000 20 Number of Generators 1,500,000 15 Tons 1,000,000 10 500,000 5 0 0 2010-2011 2011-2012 2012-2013 2013-2014 FGD Tons Produced FGD Tons Disposed Gypsum Tons Other Uses Number of Generators

10. 10 Production and Disposal All Facilities 5,000,000 Other FGD 4,500,000 Disposed 4,000,000 Other 3,500,000 3,000,000 Structural fill Tons Ash 2,500,000 2,000,000 Disposed 1,500,000 1,000,000 500,000 0 Ash Tons Produced FGD Tons Produced Ash Tons Disposed Ash Used in Structural fill Ash Tons Other Uses FGD Tons Disposed Gypsum Tons Other Uses

11. 11 Industry Owned Utilities (IOU) 5,000,000 357,321 4,500,000 549,016 265,604 4,000,000 999,481 518,560 3,500,000 354,382 68,149 3,000,000 1,298,208 Tons 639,311 1,717,268 1,316,997 2,500,000 1,543,897 1,563,410 4,108,405 2,000,000 432,438 246,412 1,500,000 232,098 475,386 517,223 2,408,231 3,345,452 37,950 1,000,000 360,575 2,044,095 1,569,457 500,000 2,511,367 1,909,274 0 1,166,296 Ash Tons Produced FGD Tons Produced Ash Tons Disposed Ash Used in Structural fill Ash Tons Other Uses FGD Tons Disposed Gypsum Tons Other Uses

12. 12 Ash Tons Produced 9% 9% 12% 15% FY 2011-12 FY 2012-13 FY 2010-11 FY 2013-14 85% 88% 91% 91% 4,108,405.01 3,345,452.00 2,044,094.66 2,511,366.95 Duke Energy Other