Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TRADEMARK NITROGEN CORP
1216 OLD HOPEWELL RD, TAMPA, FL, 33619
Parent company: NA
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 | Ammonia | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonium nitrate (solution) | Nitric acid | Zinc (fume or dust) | Total (lbs) |
| 2017 | 5,495 | 1,013 | — | 1,013 | — | 7,521 |
| 2016 | 5,640 | 856 | — | — | — | 6,496 |
| 2015 | 6,154 | 678 | — | — | — | 6,832 |
| 2014 | 5,689 | 689 | — | — | — | 6,378 |
| 2013 | 5,688 | 679 | — | — | — | 6,367 |
| 2012 | 5,772 | 651 | — | — | — | 6,423 |
| 2011 | 5,696 | 678 | — | — | — | 6,374 |
| 2010 | 5,530 | 524 | — | — | — | 6,054 |
| 2009 | 5,980 | 649 | — | — | — | 6,629 |
| 2008 | 5,953 | 482 | — | — | — | 6,435 |
| 2007 | 5,956 | 500 | — | — | — | 6,456 |
| 2006 | 5,989 | 496 | — | — | — | 6,485 |
| 2005 | 5,830 | 446 | — | — | — | 6,276 |
| 2004 | 5,874 | 695 | — | — | — | 6,569 |
| 2003 | 5,717 | 512 | — | — | — | 6,229 |
| 2002 | 5,656 | 467 | — | — | — | 6,123 |
| 2001 | 5,788 | 686 | — | — | — | 6,474 |
| 2000 | 4,360 | 66 | — | — | — | 4,426 |
| 1999 | 4,316 | 66 | — | — | — | 4,382 |
| 1998 | 4,323 | 893 | — | — | — | 5,216 |
| 1997 | 5,321 | 5,116 | — | — | — | 10,437 |
| 1996 | 5,592 | 837 | — | — | — | 6,429 |
| 1995 | 5,601 | 957 | — | — | — | 6,558 |
| 1994 | 12,270 | — | 2,648 | 463 | — | 15,381 |
| 1993 | 11,480 | — | 2,159 | 418 | 73 | 14,275 |
| 1992 | 11,100 | — | 2,030 | 400 | 150 | 13,980 |
| 1991 | 7,200 | — | 1,630 | 250 | 250 | 9,580 |
| 1990 | 8,300 | — | 1,920 | 350 | 250 | 10,820 |
| 1989 | 8,108 | — | 2,483 | 250 | 250 | 11,841 |
| 1988 | 250 | — | 3,216 | 250 | — | 4,216 |
▎ 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.