Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
U.S. AMINES (PORTSMOUTH) LLC
3230 W NORFOLK RD, PORTSMOUTH, VA, 23703
Parent company: ADVANSIX INC
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 | Allylamine | Ammonia | Allyl chloride | 3-Chloro-2-methyl-1-propene | Vinyl chloride | Total (lbs) |
| 2024 | 587 | 687 | 51 | 17 | — | 1,342 |
| 2023 | 1,183 | 59 | 87 | 26 | — | 1,355 |
| 2022 | 1,092 | 35 | 97 | 38 | — | 1,262 |
| 2021 | 1,124 | 46 | 172 | 47 | — | 1,389 |
| 2020 | 1,462 | 28 | 127 | 39 | — | 1,656 |
| 2019 | 825 | 14 | 68 | 24 | — | 931 |
| 2018 | 2,141 | 48 | 190 | 69 | — | 2,448 |
| 2017 | 2,839 | 75 | 251 | 70 | — | 3,235 |
| 2016 | 2,848 | 56 | 260 | 72 | — | 3,236 |
| 2015 | 1,442 | 33 | 127 | 45 | — | 1,647 |
| 2014 | 764 | 24 | 67 | 22 | — | 877 |
| 2013 | 655 | 15 | 58 | — | — | 728 |
| 2012 | 1,397 | 34 | 125 | 52 | — | 1,608 |
| 2011 | 1,616 | 40 | 144 | 48 | — | 1,848 |
| 2010 | 1,310 | 42 | 117 | 44 | — | 1,513 |
| 2009 | 2,651 | 140 | 284 | 84 | — | 3,159 |
| 2008 | 1,026 | 73 | 89 | 38 | 54 | 1,280 |
| 2007 | 2,009 | 197 | 175 | 42 | — | 2,423 |
| 2006 | 1,163 | 36 | 86 | 55 | 67 | 1,407 |
| 2005 | 3,796 | 242 | 331 | 93 | 88 | 4,550 |
| 2004 | 2,927 | 750 | 258 | 86 | 58 | 4,079 |
| 2003 | 1,169 | 1,903 | 156 | — | 149 | 3,377 |
| 2002 | 765 | 4,329 | 100 | — | — | 5,194 |
| 2001 | 1,000 | 2,881 | 255 | — | — | 4,136 |
| 2000 | 1,000 | 1,500 | 255 | 255 | — | 3,020 |
| 1999 | 1,000 | 500 | 255 | 250 | — | 2,010 |
| 1998 | 946 | 4,976 | 220 | 84 | — | 6,231 |
▎ 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.