Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HOOVER TREATED WOOD PRODUCTS INC.
385 WATERWAY RD, OXFORD, PA, 19363
Parent company: GRAHAM HOLDINGS CO
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Copper compounds | Arsenic compounds | Arsenic | Chromium | Total |
|---|---|---|---|---|---|---|
| 1995 | 10 | 10 | 10 | — | — | 30 |
| 1994 | 10 | 10 | 10 | — | — | 30 |
| 1993 | — | — | — | 15 | 10 | 35 |
| 1992 | 15 | 260 | 15 | — | — | 290 |
| 1990 | 10 | 10 | 10 | — | — | 30 |
| 1989 | 250 | 250 | 250 | — | — | 750 |
| 1988 | 250 | 250 | 250 | — | — | 750 |
| 1987 | 250 | — | — | — | — | 250 |