Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WESTLAKE ROYAL BUILDING PRODUCTS INC - PLANT 2
175 CIRCLE M DR, SALISBURY, NC, 28147
Parent company: WESTLAKE CORP
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 | Certain glycol ethers | Diisocyanates | Total (lbs) | |||
| 2023 | 74,639 | 20 | 74,659 | |||
| 2022 | 38,655 | 10 | 38,665 | |||
| 2021 | 40,874 | — | 40,874 | |||
| 2019 | 51,051 | — | 51,051 | |||
| 2018 | 46,607 | — | 46,607 | |||
| 2016 | 25,658 | — | 25,658 | |||
▎ 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.