Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
IRONROCK CAPITAL INC
1201 MILLERTON ST SE, CANTON, OH, 44707
Parent company: NA
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 | Manganese compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Barium | Manganese | Total (lbs) |
| 2024 | — | — | 114 | — | — | 115 |
| 2023 | — | — | 149 | — | — | 150 |
| 2022 | — | — | 169 | — | — | 170 |
| 2021 | 248 | — | 152 | — | — | 401 |
| 2020 | — | — | — | — | — | 320 |
| 2019 | — | — | — | — | — | 402 |
| 2018 | 250 | — | 216 | — | — | 467 |
| 2017 | 213 | — | 220 | — | — | 434 |
| 2016 | 202 | — | 322 | — | — | 525 |
| 2015 | 175 | — | 214 | — | — | 390 |
| 2014 | 150 | — | 172 | — | — | 322 |
| 2013 | 141 | — | 190 | — | — | 331 |
| 2012 | 134 | — | 143 | — | — | 277 |
| 2011 | 105 | — | 130 | — | — | 235 |
| 2010 | 137 | — | 120 | — | — | 257 |
| 2009 | 113 | — | 103 | — | — | 216 |
| 2008 | 267 | — | 251 | — | — | 519 |
| 2007 | 232 | — | 220 | — | — | 453 |
| 2006 | 192 | — | 200 | — | — | 393 |
| 2005 | 160 | — | 185 | — | — | 346 |
| 2004 | 183 | — | 227 | — | — | 411 |
| 2003 | 156 | — | 182 | — | — | 338 |
| 2002 | 179 | — | 189 | — | — | 369 |
| 2001 | 203 | 510 | 178 | — | — | 892 |
| 2000 | 252 | 584 | 187 | — | — | 1,023 |
| 1999 | 263 | 524 | 156 | — | — | 943 |
| 1998 | 246 | 585 | 210 | — | — | 1,041 |
| 1997 | 258 | 701 | 226 | — | — | 1,185 |
| 1996 | 251 | 635 | 228 | — | — | 1,114 |
| 1995 | 301 | 670 | 264 | — | — | 1,235 |
| 1994 | 250 | 760 | 18 | — | — | 1,028 |
| 1993 | 500 | 500 | 250 | — | — | 1,250 |
| 1992 | 500 | 500 | 5 | — | — | 1,005 |
| 1991 | 500 | 500 | 250 | — | — | 1,250 |
| 1990 | 250 | 250 | 250 | — | — | 750 |
| 1989 | — | — | — | 250 | 250 | 750 |
| 1988 | — | — | — | 250 | 250 | 500 |
▎ 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.