Facility detail

RMI TITANIUM CO LLC

1000 WARREN AVE, NILES, OH, 44446

Parent company: HOWMET AEROSPACE INC

Carcinogen — 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 Nitric acid Aluminum (fume or dust) Methanol Hydrogen fluoride Copper Total (lbs)
2024 2,166 6,087 — 1,594 1,300 12,352
2023 2,166 5,960 — 1,594 1,257 11,859
2022 — 4,172 — 1,594 — 6,648
2021 1,430 3,346 — 1,594 — 7,296
2020 1,430 5,216 — 1,594 — 10,165
2019 1,430 6,920 11,384 1,594 1,394 24,624
2018 1,409 9,040 21,516 1,594 1,935 37,726
2017 4,037 8,169 — 1,594 1,778 17,860
2016 2,275 7,795 — 1,594 1,669 15,509
2015 4,752 5,185 — 531 1,089 13,055
2014 1,976 5,083 — 168 36 7,263
2013 1,976 4,841 — 168 38 7,023
2012 1,976 4,940 — 168 25 7,109
2011 1,976 4,117 — 168 30 6,291
2010 1,976 — — 168 50 2,194
2009 1,976 — — 164 34 2,174
2008 1,980 — — 164 39 2,183
2007 1,980 — — 164 75 2,219
2006 1,980 — — 164 68 2,212
2005 1,980 — — 163 67 2,210
2004 1,980 — — 162 69 2,211
2003 1,980 — — 163 77 2,220
2002 1,980 — — 163 71 2,214
2001 1,980 — — 160 77 2,217
2000 1,700 — — 280 92 2,072
1999 1,740 — — 240 28 2,008
1998 2,614 — 11,500 432 2,600 17,196
1997 12,348 — 14,500 1,189 — 28,037
1996 3,944 — — 592 — 4,536
1995 3,498 — — 532 — 4,030
1994 2,302 — — 416 — 2,718
1993 2,230 — — 409 — 2,639
1992 2,179 — — 395 — 2,574
1991 2,500 — — 520 — 3,020
1990 3,185 — — 737 — 3,922
1989 3,471 — — 750 — 4,221
1988 208 — — 604 — 812
1987 — — — 588 — 615

▎ 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.