Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KIRBY BUILDING SYSTEM
124 KIRBY DR, PORTLAND, TN, 37148
Parent company: NUCOR CORP
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 | Xylene (mixed isomers) | Toluene | Manganese | Nickel | Lead | Total (lbs) |
| 2024 | — | — | 14 | — | 0 | 15 |
| 2023 | — | — | 11 | — | 0 | 11 |
| 2022 | — | — | 19 | — | 0 | 19 |
| 2021 | — | — | 24 | — | 0 | 24 |
| 2020 | — | — | 182 | — | — | 182 |
| 2019 | — | — | 39 | — | 0 | 39 |
| 2018 | — | — | 26 | 2 | — | 28 |
| 2017 | — | — | 9 | 0 | 0 | 10 |
| 2016 | — | — | 8 | 0 | 0 | 9 |
| 2015 | — | — | 10 | 0 | 0 | 11 |
| 2014 | — | — | 4 | 0 | 0 | 5 |
| 2013 | — | — | 5 | 0 | 0 | 6 |
| 2012 | — | — | 6 | 0 | 0 | 7 |
| 2011 | — | — | 6 | 2 | 1 | 9 |
| 2010 | — | — | 8 | 2 | 1 | 11 |
| 2009 | — | — | 4 | 2 | 1 | 7 |
| 2008 | — | — | 7 | 2 | 1 | 10 |
| 2007 | — | — | 9 | 2 | 1 | 12 |
| 2006 | — | — | 9 | 2 | 1 | 12 |
| 2005 | — | — | 7 | 2 | 1 | 10 |
| 2004 | — | — | 8 | 2 | 1 | 11 |
| 2003 | — | — | 8 | 2 | 1 | 11 |
| 2002 | — | — | 12 | 2 | 1 | 15 |
| 1993 | 13,506 | — | — | — | — | 13,506 |
| 1991 | 12,576 | — | — | — | — | 12,576 |
| 1990 | 14,196 | 7,240 | — | — | — | 21,436 |
| 1989 | 20,035 | 10,860 | — | — | — | 30,895 |
| 1988 | 22,661 | — | — | — | — | 22,661 |
▎ 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.