Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HOOVER TREATED WOOD PRODUCTS INC
18315 HOUSE DR, MILFORD, VA, 22514
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 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 | Formaldehyde | Arsenic compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Copper compounds | Phosphoric acid | Total (lbs) |
| 2023 | — | 188 | 113 | 11 | — | 312 |
| 2022 | 511 | 467 | 461 | 288 | — | 1,727 |
| 2021 | 651 | — | — | — | — | 670 |
| 2020 | 623 | 73 | 27 | 2 | — | 726 |
| 2019 | — | 6 | 79 | 4 | — | 89 |
| 2018 | — | 11 | 8 | 9 | — | 28 |
| 2017 | — | 3 | 2 | 2 | — | 7 |
| 2016 | — | 16 | 13 | 10 | — | 38 |
| 2015 | — | 76 | 88 | 57 | — | 221 |
| 2014 | — | 79 | 31 | 50 | — | 160 |
| 2013 | — | 32 | 28 | 28 | — | 88 |
| 2012 | — | 20 | 11 | 11 | — | 42 |
| 2011 | — | 7 | 13 | 10 | — | 30 |
| 1999 | — | 66 | 61 | 71 | — | 198 |
| 1994 | — | 250 | 250 | 5 | 5 | 510 |
| 1993 | — | — | — | — | 5 | 5 |
| 1992 | — | — | — | — | 5 | 5 |
| 1991 | — | — | — | — | 10 | 10 |
| 1990 | 5 | — | — | — | 5 | 10 |
| 1989 | 250 | — | — | — | 250 | 500 |
| 1988 | — | 250 | — | 250 | — | 500 |
▎ 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.