Facility detail

US DOE HANFORD SITE

2420 STEVENS CENTER PL, RICHLAND, WA, 99354

Parent company: US DEPARTMENT OF ENERGY

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Lead Toluene Xylene (mixed isomers) Naphthalene Lead compounds Total (lbs)
2024 60,544 18,429 4,891 218,715 — 304,089
2023 166,955 18,760 — 2,250 — 188,215
2022 53,799 16,706 — 83,761 — 154,516
2021 219,367 14,815 13,890 313,059 — 561,382
2020 40,117 13,835 1,173 74,078 — 129,453
2019 52,873 16,959 3,486 110,375 — 184,110
2018 259,340 53,836 — 8,184 — 321,610
2017 681,507 3,663,746 5,421 12,878 — 4,363,802
2016 224,726 755,942 10,240 448,938 — 1,440,097
2015 3,120,694 3,386,802 2,552,196 308,127 — 9,368,069
2014 3,698,998 — 3,397 57,870 — 3,760,516
2013 1,204,089 — — 496,857 — 1,700,996
2012 742,187 81,883 101,956 57,717 — 984,030
2011 1,301,344 13,836 408 30,152 — 1,345,990
2010 4,186,334 10,696 340 352 — 4,215,122
2009 989,298 — — 14 — 989,562
2008 2,229,675 — — — — 2,229,925
2007 2,154,037 — — — — 2,154,287
2006 — — — — 943,314 943,314
2005 1,609,788 — — — — 1,609,848
2004 851,792 — — — — 851,872
2003 646,459 — — — — 646,728
2002 935,648 — — — — 935,648
2001 11,486 — — — — 11,486
1995 — — — — — 1
1993 — — — — — 14
1992 10,016 — — — — 10,026
1991 — — — — — 3,911
1990 — — — — — 185,927
1989 — — — — — 26,791
1988 — — — — — 655,727
1987 — — — — — 897,920

▎ 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.