Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEYSTONE PROTEIN CO
568 CHESTNUT HILL RD, FREDERICKSBURG, PA, 17026
Parent company: SECHLER FAMILY FOODS
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | ||
| 2024 | 67,579 | 6,159 | — | 73,738 | ||
| 2023 | 51,311 | 5,872 | — | 57,183 | ||
| 2022 | 141,972 | 5,025 | — | 146,997 | ||
| 2021 | 40,761 | 15,349 | — | 56,110 | ||
| 2020 | 235,721 | — | — | 235,721 | ||
| 2019 | 249,422 | — | — | 249,422 | ||
| 2018 | 283,871 | — | — | 283,871 | ||
| 2017 | 312,924 | — | — | 312,924 | ||
| 2016 | 280,167 | — | — | 280,167 | ||
| 2015 | 229,138 | — | — | 229,138 | ||
| 2014 | 129,544 | — | — | 129,544 | ||
| 1990 | — | — | 15 | 15 | ||
▎ 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.