Facility detail

AK STEEL CORP ASHLAND WORKS - COKE PLANT

U.S. 23, ASHLAND, KY, 41105

Parent company: AK STEEL CORP

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.

Full release table

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

All values in pounds (lbs)
Year Ammonia Nitrate compounds (water dissociable; reportable only when in aqueous solution) Benzene Naphthalene Ethylene Total (lbs)
2011 4,556 27,180 9,268 94 — 44,924
2010 8,754 45,992 13,981 177 — 73,053
2009 8,179 49,762 39,665 303 — 104,369
2008 8,643 53,154 44,728 387 — 114,890
2007 8,156 77,658 52,280 366 — 147,651
2006 15,300 78,000 16,300 242 — 112,299
2005 15,239 78,230 18,318 274 — 114,555
2004 15,318 44,861 15,092 239 — 76,991
2003 15,668 36,190 12,193 210 — 65,462
2002 16,507 44,861 15,492 174 — 78,326
2001 15,404 115,200 16,541 235 — 150,326
2000 15,161 135,700 18,031 271 — 172,440
1999 14,882 115,800 19,321 293 — 156,967
1998 14,734 52,000 22,357 284 — 96,601
1997 2,205 — 5,905 830 1,305 12,350
1996 3,200 — 3,760 1,100 2,205 13,145
1995 15,700 — 6,905 6,450 2,205 35,845
1994 10,950 — 13,750 29,250 13,005 71,730
1993 11,550 — 13,750 28,190 12,505 70,445
1992 26,500 — 12,750 26,750 11,805 82,255
1991 235,250 — 119,500 18,800 5,405 405,125
1990 341,600 — 149,500 36,550 12,005 576,480
1989 328,250 — 150,500 36,900 12,000 569,190
1988 — — — — 12,000 76,300
1987 — — — — — 3,500

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.