Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORRIS CYLINDER CO
521 GREEN COVE RD, HUNTSVILLE, AL, 35803
Parent company: TRIMAS 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 | Toluene | Xylene (mixed isomers) | Methyl ethyl ketone | Acetone | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Total (lbs) |
| 2024 | — | — | — | — | — | 17 |
| 2023 | — | — | — | — | — | 20 |
| 2022 | — | — | — | — | — | 18 |
| 2021 | — | — | — | — | — | 17 |
| 2020 | — | — | — | — | — | 18 |
| 2019 | — | — | — | — | — | 23 |
| 2018 | — | — | — | — | — | 74 |
| 2017 | — | — | — | — | — | 61 |
| 2016 | — | — | — | — | — | 96 |
| 2015 | — | — | — | — | — | 86 |
| 2014 | — | — | — | — | — | 455 |
| 2013 | — | — | — | — | — | 464 |
| 2012 | — | — | — | — | 5 | 360 |
| 2011 | — | — | — | — | 5 | 350 |
| 2010 | — | — | — | — | 5 | 354 |
| 2009 | — | — | — | — | 5 | 462 |
| 2008 | — | — | — | — | 5 | 350 |
| 2007 | — | — | — | — | 5 | 515 |
| 2006 | — | — | — | — | 5 | 270 |
| 2005 | — | — | — | — | 198 | 463 |
| 2004 | — | — | — | — | 311 | 710 |
| 2003 | — | — | — | — | 1,137 | 1,432 |
| 2002 | — | — | — | — | 1,258 | 1,758 |
| 2001 | — | — | — | — | 1,828 | 2,578 |
| 2000 | — | — | — | — | 1,500 | 2,250 |
| 1999 | — | — | — | — | 1,500 | 1,750 |
| 1998 | — | — | — | — | 2,066 | 2,571 |
| 1997 | — | — | 7,400 | — | 2,370 | 10,275 |
| 1996 | — | — | — | — | 2,005 | 2,265 |
| 1995 | — | 12,200 | — | — | — | 12,450 |
| 1994 | — | 10,600 | 5,650 | — | — | 18,255 |
| 1993 | — | 10,296 | 10,296 | 2,900 | — | 25,007 |
| 1992 | 19,420 | 19,030 | — | 3,150 | — | 42,855 |
| 1991 | 77,660 | — | — | 3,590 | — | 83,065 |
| 1990 | 49,180 | — | — | 3,710 | — | 53,395 |
| 1989 | 37,100 | — | — | 4,360 | — | 42,210 |
| 1988 | — | — | — | — | — | 750 |
| 1987 | 31,900 | — | — | — | — | 31,900 |
▎ 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.