Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AIR PRODUCTS & CHEMICALS INC MIDDLETOWN OH FACILITY
2500 YANKEE RD, MIDDLETOWN, OH, 45044
Parent company: AIR PRODUCTS & CHEMICALS INC
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 | Propylene | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1993 | 160 | 10 | 170 | |||
| 1992 | — | 10 | 10 | |||
| 1991 | — | 10 | 10 | |||
| 1990 | 149 | 2 | 151 | |||
| 1989 | 160 | 2 | 162 | |||
| 1988 | — | 2 | 2 | |||
| 1987 | — | 2 | 2 | |||
▎ 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.