Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
UBE AUTOMOTIVE NORTH AMERICA MASON PLANT INC
4600 MASON MONTGOMERY RD, MASON, OH, 45040
Parent company: NA
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 | Methyl ethyl ketone | Xylene (mixed isomers) | Total (lbs) | |||
| 1994 | — | 929 | 929 | |||
| 1993 | — | 4,443 | 4,443 | |||
| 1992 | 8,354 | — | 8,354 | |||
| 1991 | 7,080 | — | 7,080 | |||
▎ 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.