Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
USNR
2727 E GRAND AVE, HOT SPRINGS, AR, 79101
Parent company: NA
Carcinogen
PBT
— 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 | Toluene | Xylene (mixed isomers) | Chromium | Nickel | Manganese | Total (lbs) |
| 2008 | — | — | 200 | 133 | — | 382 |
| 2007 | — | — | 355 | 229 | — | 668 |
| 2006 | — | — | 285 | 182 | — | 533 |
| 2005 | — | — | 489 | 342 | — | 953 |
| 2004 | — | — | 371 | 260 | 39 | 765 |
| 2003 | — | — | 342 | 246 | 35 | 698 |
| 2002 | — | — | 251 | 181 | — | 490 |
| 2001 | — | — | 444 | 262 | — | 829 |
| 2000 | — | — | 3,213 | 1,494 | 741 | 7,285 |
| 1998 | — | — | 1,436 | 616 | 292 | 2,816 |
| 1997 | — | — | — | 94 | 1,450 | 1,544 |
| 1996 | — | — | — | 65 | 1,003 | 1,068 |
| 1995 | — | — | 79 | 79 | 88 | 246 |
| 1994 | 15,804 | 10,462 | 100 | 100 | 48 | 26,554 |
| 1993 | 13,389 | — | 214 | 139 | 312 | 14,054 |
| 1992 | 12,419 | — | — | — | 208 | 12,728 |
| 1991 | 9,993 | — | 406 | 406 | 171 | 11,587 |
| 1990 | — | — | 400 | 400 | 169 | 1,516 |
| 1989 | — | — | — | — | 307 | 505 |
| 1988 | — | — | — | — | — | 470 |
▎ 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.