Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PRIMESTER GP
1801 WARRICK DR, KINGSPORT, TN, 37660
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 | Chlorodifluoromethane (HCFC-22) | Propylene | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Sodium nitrite | Acetaldehyde | Total (lbs) |
| 2024 | 1,750 | 2,046 | 1,365 | 855 | 181 | 6,217 |
| 2023 | 1,756 | 2,040 | 1,522 | 752 | 255 | 6,345 |
| 2022 | 1,003 | 2,040 | 1,257 | 668 | 179 | 5,167 |
| 2021 | — | 2,040 | 1,221 | 807 | 179 | 4,267 |
| 2020 | 4,246 | 2,040 | 898 | 490 | 177 | 7,871 |
| 2019 | 4,029 | 2,040 | 838 | 780 | 176 | 7,883 |
| 2018 | 3,817 | 2,040 | 973 | 748 | 175 | 7,773 |
| 2017 | 51 | 2,040 | 1,015 | 725 | 177 | 4,028 |
| 2016 | 2,310 | 2,040 | 1,111 | 673 | 178 | 6,332 |
▎ 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.