Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
BULL HN INFORMATION SYSTEMS INC
13430 N BLACK CANYON HWY, PHOENIX, AZ, 85029
Parent company: NA
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 | 1,1,1-Trichloroethane | Freon 113 (CFC-113) | Methanol | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 1993 | — | — | — | 500 | — | 500 |
| 1992 | — | — | — | 500 | — | 500 |
| 1991 | — | — | — | 500 | — | 500 |
| 1990 | 500 | 3,750 | — | 500 | — | 4,750 |
| 1989 | 4,420 | 14,519 | — | 500 | — | 19,439 |
| 1988 | 97,700 | — | 5,550 | 500 | — | 103,750 |
| 1987 | — | — | — | — | 700 | 700 |