Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
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3950 ELM AVE, PORTSMOUTH, VA, 23704
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Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Creosote | Naphthalene | Pentachlorophenol | Dibenzofuran | Anthracene | Total |
|---|---|---|---|---|---|---|
| 1991 | 12,500 | — | 92 | — | — | 12,592 |
| 1990 | 27,200 | — | — | — | — | 27,200 |
| 1989 | — | 558 | — | 66 | 3 | 627 |
| 1988 | — | 438 | — | — | — | 438 |
| 1987 | — | 1,385 | — | — | — | 1,385 |