Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KENWORTH TRUCK CO
65 KENWORTH DR, CHILLICOTHE, OH, 45601
Parent company: PACCAR INC
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 | Toluene | Xylene (mixed isomers) | Acetone | Methanol | Total (lbs) |
| 2024 | — | — | — | — | 7,136 | 12,562 |
| 2023 | — | — | — | — | 5,017 | 9,823 |
| 2022 | — | — | — | — | 5,017 | 9,822 |
| 2021 | — | — | — | — | 4,509 | 8,852 |
| 2020 | — | — | — | — | 3,550 | 6,925 |
| 2019 | — | — | — | — | 5,700 | 11,125 |
| 2018 | — | 2,121 | — | — | 6,147 | 9,593 |
| 2017 | — | 1,701 | — | — | 5,209 | 8,049 |
| 2016 | — | 1,455 | — | — | 4,447 | 6,874 |
| 2015 | — | 2,100 | — | — | 4,500 | 17,774 |
| 2014 | — | 2,147 | — | — | 5,120 | 18,627 |
| 2013 | — | 3,618 | 3,868 | — | 2,765 | 33,223 |
| 2012 | — | 2,550 | 3,100 | — | 2,880 | 25,240 |
| 2011 | — | — | — | — | 4,800 | 18,290 |
| 2010 | — | — | — | — | 1,900 | 4,000 |
| 2009 | — | — | — | — | 2,400 | 4,400 |
| 2008 | — | — | — | — | 2,400 | 4,400 |
| 2007 | — | — | 540 | — | 1,920 | 3,900 |
| 2006 | — | — | 890 | — | 3,200 | 6,490 |
| 2005 | — | — | 670 | — | 2,900 | 5,570 |
| 2004 | — | — | 800 | — | 2,400 | 5,200 |
| 2003 | — | — | 3,400 | — | 1,600 | 9,121 |
| 2002 | — | — | 6,548 | — | 2,150 | 13,065 |
| 2001 | — | 12,700 | — | — | 1,700 | 16,425 |
| 2000 | — | 40,000 | — | — | 4,400 | 46,400 |
| 1999 | — | 75,000 | 10,800 | — | 2,000 | 96,300 |
| 1998 | — | 49,000 | 12,900 | — | 2,000 | 110,100 |
| 1997 | — | 34,000 | 10,400 | — | — | 50,550 |
| 1996 | — | 28,500 | 7,600 | — | — | 41,700 |
| 1995 | 59,800 | 34,500 | 10,800 | — | — | 110,700 |
| 1994 | 88,456 | 34,155 | 10,800 | — | — | 139,011 |
| 1993 | 100,385 | 24,400 | 3,000 | 9,000 | — | 151,144 |
| 1992 | 94,140 | 24,400 | 7,213 | 9,700 | — | 147,997 |
| 1991 | 127,529 | 20,836 | 7,735 | 7,357 | — | 183,740 |
| 1990 | 94,000 | 38,623 | 5,209 | 8,400 | — | 159,023 |
| 1989 | 93,604 | 34,309 | 7,288 | 9,417 | — | 145,618 |
| 1988 | — | 47,000 | 6,200 | 23,000 | — | 76,210 |
| 1987 | — | — | — | 33,000 | — | 33,000 |
▎ 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.