Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
U.S. EPA NATIONAL VEHICLE & FUEL EMISSIONS LABORATORY
2565 PLYMOUTH RD, ANN ARBOR, MI, 48105
Parent company: US ENVIRONMENTAL PROTECTION AGENCY
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 | Toluene | Xylene (mixed isomers) | Total (lbs) | |||
| 2023 | 14,431 | 7,216 | 21,647 | |||
| 2022 | 2,293 | 1,147 | 3,440 | |||
| 2021 | 15,479 | 7,740 | 23,219 | |||
| 1996 | 11 | 6 | 17 | |||
| 1995 | 7 | 4 | 11 | |||
| 1994 | 13 | 7 | 20 | |||
▎ 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.