Facility detail

HARSCO METALS - NATRONA

FEDERAL ST GATE 10 C/O ALLEGHENY LUDLUM STEEL, NATRONA HEIGHTS, PA, 15065

Parent company: HARSCO CORP

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	Manganese	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Chromium	Manganese compounds	Nickel compounds	Total (lbs)
2020	—	196	—	125	87	408
2019	—	127	—	145	57	329
2018	—	—	—	33	147	512
2017	—	42	—	125	18	185
2016	—	42	—	213	22	277
2015	—	29	—	121	13	163
2014	—	1,189	—	265	528	1,982
2013	—	1,322	—	280	617	2,219
2012	—	812	—	216	362	1,391
2011	—	500	—	255	500	1,255
2010	—	270	—	190	120	580
2009	—	131	—	186	58	375
2008	—	54	—	164	24	242
2007	—	20	—	115	9	144
2006	—	153	—	191	68	412
2005	—	362	—	218	161	741
2004	—	162	—	294	72	528
2003	—	100	—	460	38	617
2002	—	29	—	406	11	452
2001	—	651	—	844	247	1,866
2000	—	814	—	1,026	309	2,303
1999	946	—	678	—	—	2,010
1998	946	—	678	—	—	2,010
1997	903	—	651	—	—	1,925
1996	946	—	651	—	—	1,968
1995	1,796	—	84	—	—	1,928
1994	979	—	40	—	—	1,042
1993	483	—	50	—	—	561
1992	418	—	56	—	—	506
1991	1,450	—	1,163	—	—	3,277
1990	773	—	30	—	—	820
1989	1,000	—	1,450	750	—	4,450
1988	1,000	—	1,350	250	—	2,850
1987	3	—	—	—	—	172

▎ 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.