Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AADG INC CURRIES DIV 9TH ST FACILITY
251 9TH ST SE, MASON CITY, IA, 50401
Parent company: ASSA ABLOY INC
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 | Xylene (mixed isomers) | Toluene | Acetone | Naphthalene | 1,2,4-Trimethylbenzene | Total (lbs) |
| 2012 | — | — | — | — | — | 4 |
| 2011 | — | — | — | — | — | 8 |
| 2010 | — | — | — | — | — | 2,026 |
| 2009 | 14,783 | — | — | — | 17,653 | 32,445 |
| 2008 | 20,399 | 11,115 | — | — | 23,415 | 54,942 |
| 2007 | 22,910 | 11,755 | — | — | 25,905 | 60,583 |
| 2006 | 23,400 | 17,750 | — | — | 24,000 | 69,430 |
| 2005 | 22,500 | 17,600 | — | — | 21,400 | 67,912 |
| 2004 | 23,250 | 18,550 | — | — | 21,500 | 82,762 |
| 2003 | 24,800 | 17,300 | — | — | 21,500 | 80,000 |
| 2002 | 22,600 | 23,000 | — | — | 24,000 | 86,700 |
| 2001 | 23,800 | 22,300 | — | — | 23,000 | 84,900 |
| 2000 | 82,890 | 18,400 | — | — | — | 117,150 |
| 1999 | 171,300 | 20,800 | — | — | — | 206,200 |
| 1998 | 103,700 | 19,200 | — | — | — | 138,500 |
| 1997 | 138,000 | 36,000 | — | — | — | 203,700 |
| 1996 | 147,402 | — | — | — | — | 164,722 |
| 1995 | 162,144 | 45,749 | — | — | — | 226,282 |
| 1994 | 107,322 | 24,071 | — | — | — | 133,048 |
| 1993 | 319,289 | 17,415 | 74,741 | — | — | 422,419 |
| 1992 | 303,661 | 12,282 | 55,887 | 81,259 | — | 466,973 |
| 1991 | 329,901 | 18,199 | 80,078 | 94,508 | — | 537,622 |
| 1990 | 322,189 | 14,773 | 56,696 | 98,244 | — | 491,902 |
| 1989 | 322,063 | 16,197 | 72,641 | 92,540 | — | 503,441 |
| 1988 | 260,385 | 11,046 | 49,608 | — | — | 321,039 |
▎ 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.