Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHEMSTAR PRODUCTS
503 W HAYES, MCPHERSON, KS, 67460
Parent company: CHEMSTAR PRODUCTS CO
Carcinogen
— 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 | Propylene oxide | Total (lbs) | ||||
| 2021 | 2 | 2 | ||||
| 2020 | 19 | 19 | ||||
| 2019 | 82 | 82 | ||||
| 2018 | 2 | 2 | ||||
| 2017 | 2 | 2 | ||||
| 2016 | 1 | 1 | ||||
| 2015 | 5 | 5 | ||||
| 2014 | 5 | 5 | ||||
| 2013 | 6 | 6 | ||||
| 2012 | 8 | 8 | ||||
| 2011 | 10 | 10 | ||||
| 2010 | 577 | 577 | ||||
| 2008 | 636 | 636 | ||||
| 2007 | 516 | 516 | ||||
| 2006 | 579 | 579 | ||||
| 2005 | 386 | 386 | ||||
| 2004 | 451 | 451 | ||||
| 2003 | 405 | 405 | ||||
| 2002 | 355 | 355 | ||||
| 2001 | 441 | 441 | ||||
| 2000 | 750 | 750 | ||||
| 1999 | 750 | 750 | ||||
| 1998 | 750 | 750 | ||||
| 1997 | 1,500 | 1,500 | ||||
| 1996 | 1,500 | 1,500 | ||||
▎ 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.