Facility detail

MAUSER - MASON

1229 CASTLE DR, MASON, OH, 45040

Parent company: MAUSER CORP

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Certain glycol ethers Methyl ethyl ketone Xylene (mixed isomers) sec-Butyl alcohol n-Butyl alcohol Total (lbs)
2024 74,260 — — 2,066 — 76,325
2023 73,308 — — 1,596 — 74,904
2022 70,203 — — 1,803 — 72,006
2021 74,069 — — 2,322 — 76,391
2020 75,171 — — 18,118 — 93,289
2019 121,986 — — 22,622 — 144,609
2018 114,656 — — 26,621 — 141,277
2017 54,114 — — 17,865 — 71,979
2016 24,065 — — 8,688 — 32,753
2015 27,845 — — 10,258 — 38,103
2014 22,745 — — — — 22,745
2013 22,654 — — — — 22,654
2012 24,938 — — — — 24,938
2011 25,378 — — — — 25,378
2010 23,591 — — — — 23,591
2009 15,766 — — — — 15,766
2008 28,247 — — 10,659 — 38,906
2007 23,135 — — 10,042 — 33,177
2006 11,182 — — 10,021 — 21,203
2005 22,175 — — 15,545 — 37,720
2004 15,401 — — 13,633 — 29,034
2003 13,849 — — — — 13,849
2002 492 — — — — 492
2001 1,594 — — — — 1,594
2000 1,681 — — — — 1,681
1999 2,541 — — — — 2,541
1998 2,653 — — — — 2,653
1997 8,904 8,577 — — 12,703 30,184
1996 9,425 12,088 7,129 — 12,341 40,983
1995 6,444 18,814 16,098 — — 41,356
1994 5,799 18,236 16,272 — — 40,307
1993 6,380 11,465 18,123 — — 35,968
1992 — 58,616 29,980 — — 88,596
1991 — 73,532 15,417 — 4,970 93,919
1990 — 60,050 24,050 — — 84,100
1989 — 39,400 23,150 — 11,250 73,800
1988 — 46,400 23,250 — 11,250 80,900

▎ 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.