Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
YANFENG
7463 BONNYSHIRE DR, CHATTANOOGA, TN, 37416
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 | Dichloromethane | Diisocyanates | Total (lbs) | |||
| 2023 | — | 10 | 10 | |||
| 2022 | — | 10 | 10 | |||
| 2021 | — | 10 | 10 | |||
| 2020 | — | 10 | 10 | |||
| 2019 | — | 10 | 10 | |||
| 2018 | — | 10 | 10 | |||
| 2017 | — | 10 | 10 | |||
| 2005 | 4,999 | — | 4,999 | |||
| 2004 | 4,826 | — | 4,826 | |||
| 2003 | 2,348 | — | 2,348 | |||
▎ 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.