Facility detail

MITTAL STEEL USA WEIRTON INC

400 THREE SPRINGS DR, WEIRTON, WV, 26062

Parent company: MITTAL STEEL USA INC

Carcinogen PBT — EPA classifications across all reporting years

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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	1,1,1-Trichloroethane	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Ammonia	Manganese compounds	Methanol	Total (lbs)
2006	—	2,160	—	57	—	134,828
2005	—	4,186	—	9,009	—	112,530
2004	—	4,472	119,673	9,832	—	182,119
2003	—	8,738	—	—	74,615	213,260
2002	—	15,335	—	63,149	72,016	264,967
2001	—	17,831	—	62,622	55,856	262,707
2000	—	32,737	—	67,330	46,488	264,806
1999	—	37,484	—	62,108	14,400	222,513
1998	—	36,214	—	66,018	91,190	275,173
1997	—	40,445	—	62,313	86,841	294,179
1996	—	40,820	—	65,706	50,275	295,905
1995	—	44,145	—	65,359	31,763	242,245
1994	—	39,094	183,559	65,095	15,883	418,900
1993	—	47,105	211,700	—	17,989	480,980
1992	92,521	49,559	141,620	—	30,600	449,159
1991	174,103	295,204	189,800	59,483	49,484	817,435
1990	447,648	632,224	178,950	58,871	44,198	1,587,072
1989	464,187	18,653	226,453	82,280	30,192	937,537
1988	—	—	—	84,260	22,987	970,324
1987	769,676	—	—	—	67,500	927,616

▎ 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.