Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
R E DARLING CO INC
3749 N ROMERO RD, TUCSON, AZ, 85705
Parent company: DARLING INDUSTRIES 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 | Trichloroethylene | Total (lbs) | ||||
| 2017 | 10,481 | 10,481 | ||||
| 2016 | 12,900 | 12,900 | ||||
| 2015 | 14,404 | 14,404 | ||||
| 2014 | 12,573 | 12,573 | ||||
| 2013 | 14,033 | 14,033 | ||||
| 2000 | 9,394 | 9,394 | ||||
| 1998 | 9,660 | 9,660 | ||||
| 1995 | 12,500 | 12,500 | ||||
| 1994 | 12,800 | 12,800 | ||||
| 1993 | 17,800 | 17,800 | ||||
| 1992 | 22,800 | 22,800 | ||||
| 1991 | 33,400 | 33,400 | ||||
| 1990 | 45,900 | 45,900 | ||||
| 1989 | 49,100 | 49,100 | ||||
| 1988 | 67,000 | 67,000 | ||||
▎ 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.