Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
DU PONT PHOTOMASKS INC
4 FINANCE DR, DANBURY, CT, 06810
Parent company: E I DU PONT DE NEMOURS & CO INC
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Total |
|---|---|---|---|
| 1992 | 1,126 | — | 1,126 |
| 1988 | — | 500 | 500 |