Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
TWIN CITY FAN COS INSBROOK
500 INSBROOK LN, BROOKINGS, SD, 57006
Parent company: TWIN CITY FAN COS
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 | Chromium | Nickel | Total |
|---|---|---|---|
| 2024 | 2 | 0 | 2 |
| 2023 | 2 | 0 | 2 |
| 2022 | 1 | 0 | 1 |
| 2021 | 1 | 0 | 1 |
| 2020 | 2 | 0 | 2 |
| 2019 | 3 | 0 | 3 |
| 2018 | 2 | 0 | 2 |
| 2016 | 3 | — | 3 |