Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ARMSTRONG WORLD INDUSTRIES
1507 RIVER RD, MARIETTA, PA, 17547
Parent company: ARMSTRONG WORLD INDUSTRIES INC
Carcinogen
PBT
— EPA classifications across all reporting years
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 | Formaldehyde | Ammonia | Triethylamine | Manganese compounds | Phosphoric acid | Total (lbs) |
| 2024 | 70,955 | 81,135 | — | — | — | 153,266 |
| 2023 | 70,376 | 80,716 | — | — | — | 152,253 |
| 2022 | 70,200 | 82,007 | — | — | — | 153,616 |
| 2021 | 71,967 | 94,618 | — | — | — | 169,340 |
| 2020 | 66,137 | 86,797 | — | 1,392 | — | 154,326 |
| 2019 | 70,229 | 75,723 | — | 981 | — | 146,934 |
| 2018 | 69,872 | 77,148 | — | 1,137 | — | 148,159 |
| 2017 | 67,440 | 80,147 | — | 1,397 | — | 148,985 |
| 2016 | 66,791 | 77,279 | — | 1,690 | — | 147,452 |
| 2015 | 64,278 | 71,258 | — | 1,538 | — | 138,614 |
| 2014 | 62,615 | 88,899 | — | 1,652 | — | 153,168 |
| 2013 | 65,460 | 94,858 | — | 2,255 | — | 162,575 |
| 2012 | 80,859 | 74,698 | 62,653 | 1,760 | — | 219,972 |
| 2011 | 87,360 | — | 71,868 | — | — | 159,231 |
| 2010 | 93,348 | — | 71,868 | — | — | 165,218 |
| 2009 | 93,768 | — | 68,239 | — | — | 162,009 |
| 2008 | 63,599 | — | 68,160 | — | — | 131,761 |
| 2007 | 64,550 | — | 53,675 | — | — | 118,227 |
| 2006 | 72,149 | — | 64,740 | — | — | 136,891 |
| 2005 | 72,150 | — | 65,215 | — | — | 137,367 |
| 2004 | 75,810 | — | 65,213 | — | — | 141,025 |
| 2003 | 90,949 | — | 64,977 | — | — | 155,979 |
| 2002 | 74,027 | — | 65,010 | — | — | 139,105 |
| 2001 | 77,020 | — | 65,884 | — | — | 143,058 |
| 2000 | 86,573 | — | 72,798 | — | — | 159,438 |
| 1999 | 64,393 | — | 67,788 | — | — | 132,338 |
| 1998 | 72,268 | 6,336 | 67,422 | — | 2,393 | 148,631 |
| 1997 | 160,251 | 5,858 | 57,557 | — | 2,551 | 226,441 |
| 1996 | 156,742 | 6,830 | 55,090 | — | 4,240 | 224,521 |
| 1995 | 147,000 | 29,896 | 50,876 | — | 2,298 | 232,144 |
| 1994 | 117,355 | 32,670 | — | — | 408 | 150,466 |
| 1993 | 37,210 | 25,340 | — | — | 250 | 62,884 |
| 1992 | 40,450 | 25,955 | — | — | 250 | 66,675 |
| 1991 | 42,550 | 25,010 | — | — | — | 67,560 |
| 1990 | 38,750 | 26,250 | — | — | — | 65,000 |
| 1989 | — | 23,800 | — | — | — | 23,800 |
| 1988 | — | 250 | — | — | — | 250 |
▎ 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.