Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHERN IRON & MACHINE
867 FOREST ST, SAINT PAUL, MN, 55106
Parent company: THE LAWTON STANDARD CO.
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 | 1,1,1-Trichloroethane | Manganese | Copper | Lead | Nickel | Total (lbs) |
| 2024 | — | 182 | — | — | 166 | 348 |
| 2023 | — | 1,288 | 788 | — | 1,026 | 3,374 |
| 2022 | — | 1,153 | 705 | — | 919 | 3,021 |
| 2021 | — | 268 | 179 | 47 | — | 494 |
| 2020 | — | 136 | 92 | 250 | — | 478 |
| 2019 | — | 557 | 375 | 250 | — | 1,182 |
| 2018 | — | 438 | 296 | 250 | — | 984 |
| 2017 | — | 304 | 206 | 39 | — | 549 |
| 2016 | — | 221 | 150 | 28 | — | 399 |
| 2015 | — | 334 | 226 | 41 | — | 601 |
| 2014 | — | 340 | 230 | 38 | — | 608 |
| 2013 | — | 229 | 155 | 33 | — | 417 |
| 2012 | — | 316 | 213 | 37 | — | 566 |
| 2011 | — | 328 | 222 | 45 | — | 595 |
| 2010 | — | 219 | 149 | 40 | — | 408 |
| 2009 | — | 113 | — | — | — | 113 |
| 2008 | — | 263 | 178 | 90 | — | 531 |
| 2007 | — | 234 | 159 | 27 | — | 420 |
| 2006 | — | 252 | 171 | 120 | — | 543 |
| 2005 | — | 602 | 10 | 183 | — | 795 |
| 2004 | — | 601 | 10 | 184 | — | 795 |
| 2003 | — | — | — | 413 | — | 413 |
| 2002 | — | — | — | 377 | — | 377 |
| 2001 | — | — | — | 532 | — | 532 |
| 1994 | — | — | 5 | — | — | 5 |
| 1993 | — | 5 | 5 | — | — | 10 |
| 1992 | 15,000 | 5 | 5 | — | — | 15,010 |
| 1991 | 18,600 | 5 | 5 | — | — | 18,610 |
| 1990 | 21,000 | 5 | — | — | — | 21,005 |
| 1989 | 21,000 | — | — | — | — | 21,000 |
▎ 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.