Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AOTCO METAL FINISHING LLC
11 SUBURBAN PARK DR, BILLERICA, MA, 01821
Parent company: NA
PBT
— 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 | Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification) | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Lead compounds | Total (lbs) | |
| 2024 | — | 0 | — | — | 0 | |
| 2022 | — | 0 | — | — | 0 | |
| 2021 | — | 0 | — | — | 0 | |
| 2020 | — | 0 | — | — | 0 | |
| 2019 | — | 0 | — | — | 0 | |
| 2018 | — | 0 | — | — | 0 | |
| 2014 | — | 10 | — | — | 10 | |
| 2013 | — | 10 | — | — | 10 | |
| 2012 | — | 10 | — | — | 10 | |
| 2011 | — | 10 | — | — | 10 | |
| 2010 | — | 10 | — | — | 10 | |
| 2009 | — | 10 | — | — | 10 | |
| 2008 | — | 12 | — | — | 12 | |
| 2007 | — | 11 | — | 0 | 11 | |
| 2006 | — | 10 | — | — | 10 | |
| 2005 | — | 10 | — | — | 10 | |
| 2004 | — | 10 | — | — | 10 | |
| 2003 | — | 10 | — | — | 10 | |
| 2002 | — | 10 | — | — | 10 | |
| 2001 | — | 10 | — | — | 10 | |
| 2000 | — | 10 | — | — | 10 | |
| 1999 | 250 | — | — | — | 250 | |
| 1996 | 1,369 | — | — | — | 1,369 | |
| 1992 | — | 250 | 250 | — | 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.