Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STRUCTURAL STEEL OF CAROLINA
1115 OLD LENIOR RD NW, HICKORY, NC, 28601
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 | Nickel | Manganese | Chromium | Total (lbs) | ||
| 2023 | 2,010 | 1,659 | 1,206 | 4,875 | ||
| 2022 | 1,682 | 1,387 | 1,009 | 4,078 | ||
| 2021 | 1,000 | 870 | 600 | 2,470 | ||
| 2020 | 527 | 435 | 316 | 1,278 | ||
| 2019 | 448 | 448 | 268 | 1,164 | ||
| 2018 | 404 | 333 | 242 | 979 | ||
▎ 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.