Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AIR PRODUCTS & CHEMICALS INC
102 TROUSDALE RD, WESTLAKE, LA, 70669
Parent company: AIR PRODUCTS & CHEMICALS INC
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 | Ammonia | Ethylene | Propylene | Methanol | Total (lbs) | |
| 2024 | — | 5,005 | — | 357 | 5,362 | |
| 2023 | 12,015 | 4,172 | 3,597 | 357 | 20,141 | |
| 2022 | 12,054 | 2,712 | 5,051 | 357 | 20,174 | |
| 2021 | 12,195 | 3,885 | 3,884 | 365 | 20,329 | |
| 2020 | — | 5,732 | 1,468 | 347 | 7,547 | |
| 2019 | — | 2,060 | 4,878 | 346 | 7,285 | |
| 2018 | — | 4,264 | 3,452 | 388 | 8,104 | |
| 2017 | — | 4,397 | 3,318 | 404 | 8,119 | |
| 2016 | 12,195 | — | — | 357 | 12,552 | |
| 2015 | 11,936 | — | — | 352 | 12,288 | |
| 2014 | 12,502 | — | — | 372 | 12,874 | |
| 2013 | 11,737 | — | — | 428 | 12,165 | |
| 2012 | — | — | — | 429 | 429 | |
| 2011 | — | — | — | 418 | 418 | |
| 2010 | — | — | — | 416 | 416 | |
| 2009 | — | — | — | 1,145 | 1,145 | |
| 2008 | — | — | — | 1,126 | 1,126 | |
| 2007 | 9,136 | — | — | 1,291 | 10,427 | |
| 2006 | 10,033 | — | — | 1,150 | 11,183 | |
| 2005 | 1,340 | — | — | 1,747 | 3,087 | |
| 2004 | 1,270 | — | — | 980 | 2,250 | |
▎ 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.