Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SIMPSON STRONG-TIE CO INC.
2505 ENTERPRISE CIR, WEST CHICAGO, IL, 60185
Parent company: SIMPSON STRONG TIE CO INC
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Phenol | Styrene | 4,4'-Isopropylidenediphenol | Total |
|---|---|---|---|---|
| 2023 | 1,953 | — | — | 1,953 |
| 2022 | 2,143 | — | — | 2,143 |
| 2021 | 2,060 | — | — | 2,060 |
| 2020 | 1,552 | 1,594 | — | 3,146 |
| 2019 | 197 | — | 178 | 375 |
| 2018 | — | 1,596 | — | 1,596 |
| 2017 | — | 1,554 | — | 1,554 |