Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FORT WAYNE METALS RESEARCH PRODUCTS LLC (MCARTHUR SITE)
3401 MCARTHUR DRIVE, FORT WAYNE, IN, 46809
Parent company: FORT WAYNE METALS RESEARCH PRODUCTS LLC
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 | Zinc compounds | Hydrogen fluoride | Aluminum (fume or dust) | Nitric acid | Total (lbs) | |
| 2023 | — | 967 | — | — | 967 | |
| 2022 | — | 967 | — | — | 967 | |
| 2021 | — | 474 | — | — | 474 | |
| 2020 | — | 474 | — | — | 474 | |
| 2019 | — | 196 | — | — | 196 | |
| 2018 | — | 183 | — | — | 183 | |
| 2017 | — | 183 | — | — | 183 | |
| 2016 | — | 183 | — | — | 183 | |
| 2015 | — | 4 | — | — | 4 | |
| 2014 | — | 2 | — | 2 | 4 | |
| 2013 | — | 4 | — | 2 | 6 | |
| 2012 | — | 49 | — | 18 | 67 | |
| 2011 | — | 35 | — | 14 | 49 | |
| 2010 | — | 35 | — | 14 | 49 | |
| 2000 | 1,635 | — | 760 | — | 2,395 | |
| 1999 | 1,380 | — | — | — | 1,380 | |
| 1998 | 188 | — | — | — | 188 | |
| 1997 | 1,482 | — | — | — | 1,482 | |
| 1996 | 963 | — | — | — | 963 | |
| 1995 | 73 | — | — | — | 73 | |
| 1994 | 208 | — | — | — | 208 | |
▎ 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.