Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MATHESON TRI-GAS INC-PALM
1401 STAUFFER RD, PALM, PA, 18070
Parent company: MATHESON TRI-GAS 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 | Propylene | Ethylene | Total (lbs) | |||
| 2024 | 355 | 7 | 363 | |||
| 2023 | 208 | 8 | 216 | |||
| 2022 | 327 | 10 | 337 | |||
| 2021 | 237 | 9 | 246 | |||
| 2020 | 283 | 7 | 290 | |||
| 2019 | 181 | 8 | 189 | |||
| 2018 | 327 | 10 | 337 | |||
| 2017 | 332 | 7 | 339 | |||
| 2016 | 394 | 9 | 403 | |||
| 2015 | 832 | 8 | 840 | |||
| 2014 | 1,500 | 1,500 | 3,000 | |||
| 2013 | 1,500 | 1,500 | 3,000 | |||
| 2012 | 1,500 | 1,500 | 3,000 | |||
▎ 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.