Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LOCKHART CHEMICAL CO
4302 JAMES P COLE BLVD, FLINT, MI, 48505
Parent company: THE LOCKHART HOLDING CO
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 | Methanol | n-Butyl alcohol | Certain glycol ethers | Xylene (mixed isomers) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total (lbs) |
| 2021 | 1,327 | 233 | — | 605 | — | 2,166 |
| 2020 | 905 | 168 | — | — | — | 1,073 |
| 2019 | 1,434 | 343 | — | 575 | — | 2,352 |
| 2018 | 714 | 334 | — | 543 | — | 1,591 |
| 2017 | 1,341 | 71 | — | — | — | 1,412 |
| 2016 | 1,347 | 326 | — | — | — | 1,673 |
| 2015 | 1,864 | 326 | — | — | — | 2,190 |
| 2014 | 2,045 | 260 | — | — | — | 2,306 |
| 2013 | 2,138 | 428 | — | — | — | 2,566 |
| 2012 | 941 | 384 | — | — | — | 1,324 |
| 2008 | 2,040 | 2,867 | — | — | — | 4,907 |
| 2007 | 5,672 | 3,520 | — | — | — | 9,192 |
| 2006 | 5,988 | 3,126 | — | — | — | 9,114 |
| 2005 | 5,999 | 3,545 | — | — | — | 9,544 |
| 2004 | 5,415 | 3,726 | — | — | — | 9,141 |
| 2003 | 4,629 | 2,534 | — | — | — | 7,163 |
| 2002 | 3,554 | 2,945 | — | — | — | 6,499 |
| 2001 | 4,189 | 2,289 | — | — | — | 6,478 |
| 2000 | 4,734 | 2,685 | — | — | — | 7,419 |
| 1999 | 2,971 | 2,141 | — | — | — | 5,112 |
| 1998 | 4,074 | 2,336 | — | — | — | 6,410 |
| 1997 | 1,485 | 750 | — | — | — | 2,235 |
| 1996 | 1,091 | 250 | — | — | — | 1,341 |
| 1995 | 542 | 408 | — | — | — | 950 |
| 1994 | 750 | 1,108 | — | — | 500 | 2,358 |
| 1993 | 255 | 755 | 500 | — | 250 | 1,760 |
| 1992 | — | — | 250 | — | 10 | 260 |
| 1991 | 3,550 | — | 500 | — | 10 | 4,060 |
| 1990 | 7,750 | — | 500 | — | 5 | 8,255 |
▎ 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.