Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
QUINCY JOIST CO
22253 W SOUTHERN AVE, BUCKEYE, AZ, 85326
Parent company: SCHUFF STEEL
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 | Manganese | Total (lbs) | ||||
| 2012 | 39 | 39 | ||||
| 2011 | 35 | 35 | ||||
| 2010 | 26 | 26 | ||||
| 2009 | 48 | 48 | ||||
| 2008 | 115 | 115 | ||||
| 2005 | 99 | 99 | ||||
| 2004 | 75 | 75 | ||||
| 2002 | 53 | 53 | ||||
| 2001 | 65 | 65 | ||||
▎ 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.