Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MAYSTEEL PORTER'S FABRICATION OF SUMTER
1485 DIEBOLD DR, SUMTER, SC, 29153
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 | Methyl isobutyl ketone | Manganese | Chromium | Nickel | Lead | Total (lbs) |
| 2021 | — | 2 | — | — | — | 2 |
| 2020 | — | 3 | — | — | — | 3 |
| 2019 | — | 15 | — | — | — | 15 |
| 2018 | — | 24 | — | — | 1 | 25 |
| 2017 | — | 23 | 32 | 17 | 1 | 73 |
| 2016 | — | 12 | 11 | 6 | 1 | 30 |
| 2015 | — | 15 | — | — | 1 | 16 |
| 2014 | — | 10 | — | — | 1 | 11 |
| 2013 | — | 12 | — | — | 1 | 13 |
| 2012 | — | 23 | — | — | 2 | 25 |
| 2011 | — | 11 | — | — | 1 | 12 |
| 2010 | — | 12 | — | — | 1 | 13 |
| 2009 | — | 18 | — | — | 1 | 19 |
| 2008 | — | 29 | — | 4 | 2 | 35 |
| 2007 | — | 56 | — | — | 3 | 59 |
| 2006 | — | 79 | — | — | 3 | 82 |
| 2005 | — | 2 | — | — | — | 2 |
| 2004 | — | 5 | 5 | — | — | 10 |
| 2003 | — | 5 | — | — | — | 5 |
| 2002 | — | 252 | — | — | — | 252 |
| 2001 | — | 5 | — | — | — | 5 |
| 2000 | — | 6 | — | — | — | 6 |
| 1999 | — | 5 | — | — | — | 5 |
| 1998 | — | 5 | — | — | — | 5 |
| 1997 | — | 8 | — | — | — | 8 |
| 1996 | 14,083 | 47 | — | — | — | 14,130 |
| 1995 | 12,518 | — | — | — | — | 12,518 |
▎ 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.