Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORLEN INC.
900 GROSSMAN DRIVE, SCHOFIELD, WI, 54476
Parent company: RYERSON HOLDING 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 | Trichloroethylene | Manganese | Chromium | Nickel | Lead | Total (lbs) |
| 2024 | — | 17 | 11 | 12 | — | 40 |
| 2023 | — | 14 | 11 | 9 | 0 | 34 |
| 2022 | — | 8 | 1 | — | — | 9 |
| 2021 | — | 10 | — | — | — | 10 |
| 2020 | — | 7 | — | — | — | 7 |
| 2019 | — | 10 | — | — | — | 10 |
| 2018 | — | 12 | — | — | — | 12 |
| 2017 | — | 11 | — | — | — | 11 |
| 2016 | — | 10 | — | — | — | 10 |
| 2015 | — | 9 | — | — | — | 9 |
| 2014 | — | 46 | — | — | — | 46 |
| 2013 | — | 40 | — | — | — | 40 |
| 2010 | — | — | 1 | — | — | 1 |
| 2009 | — | — | 1 | 1 | — | 2 |
| 2008 | 8,919 | — | 1 | 0 | — | 8,920 |
| 2007 | 8,211 | — | 1 | 0 | — | 8,212 |
| 2006 | — | — | 0 | 0 | — | 1 |
| 2005 | — | — | 0 | 0 | — | 1 |
| 2004 | 10,651 | — | 0 | 0 | — | 10,651 |
▎ 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.