Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
BETZDEARBORN-HOUSTON
6900 NELMS AVE, HOUSTON, TX, 770615038
Parent company: HERCULES INC
Carcinogen
— EPA classifications across all reporting years
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 | Phosphoric acid | Naphthalene | Zinc compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total |
|---|---|---|---|---|---|---|
| 1998 | — | — | 29 | 33 | — | 62 |
| 1994 | 40 | 87 | 3 | — | — | 130 |
| 1993 | 9 | — | 4 | — | — | 13 |
| 1992 | 201 | — | 4 | — | — | 207 |
| 1991 | 147 | — | 3 | — | — | 150 |
| 1990 | 8 | — | 3 | — | 4 | 15 |
| 1989 | 7 | — | 2 | — | 2 | 11 |