Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
US ENRICHMENT CORP PORTSMOUTH GASEOUS DI FFUSION PLANT
3930 US RT 23 S, PIKETON, OH, 45661
Parent company: US ENRICHMENT CORP
PBT
— 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 | Dichlorotetrafluoroethane (CFC-114) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Hydrogen fluoride | Total |
|---|---|---|---|---|---|---|
| 2010 | 6,600 | 41,000 | 38,000 | 32,000 | — | 118,572 |
| 2009 | 22,500 | 46,000 | 41,000 | 30,120 | — | 139,769 |
| 2008 | 29,000 | 46,000 | 44,000 | 24,000 | — | 143,018 |
| 2007 | 22,000 | 46,000 | 46,000 | 22,000 | — | 136,013 |
| 2006 | 37,000 | 43,000 | 39,000 | 20,000 | — | 140,006 |
| 2005 | 44,050 | 47,000 | 58,000 | 22,000 | — | 171,058 |
| 2004 | 24,050 | 46,000 | 38,000 | 22,000 | — | 130,056 |
| 2003 | 51,050 | 46,000 | 45,000 | 19,000 | — | 161,058 |
| 2002 | 281,000 | 58,000 | — | 19,000 | — | 358,395 |
| 2001 | 420,000 | 77,000 | — | 15,000 | — | 513,370 |
| 2000 | 430,000 | 73,000 | — | 24,000 | — | 531,209 |
| 1999 | 436,000 | 80,000 | — | 33,000 | — | 550,320 |
| 1998 | 390,000 | 76,000 | — | 37,000 | — | 506,055 |
| 1997 | 357,000 | 62,000 | — | 30 | — | 421,517 |
| 1996 | 315,000 | — | — | 37 | — | 317,197 |
| 1995 | 294,000 | — | — | 37 | 14,000 | 323,076 |
| 1994 | 369,000 | — | — | — | 15,000 | 386,946 |
| 1993 | 167,000 | — | — | — | — | 168,784 |