Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MATERION CORP - READING PLANT 2
225 PEACH ST, LEESPORT, PA, 19533
Parent company: NA
Carcinogen
— 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 | Toluene | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | Nickel And Nickel Compounds | Total (lbs) | ||
| 2024 | — | 0 | 0 | 0 | ||
| 2023 | — | 0 | 0 | 0 | ||
| 2022 | — | 0 | 0 | 0 | ||
| 2007 | 7,269 | — | — | 7,269 | ||
| 2006 | 7,423 | — | — | 7,423 | ||
▎ 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.