Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIERRACIN/SYLMAR CORP
12780 SAN FERNANDO RD, SYLMAR, CA, 91342
Parent company: PPG INDUSTRIES INC
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) | Certain glycol ethers | Methyl ethyl ketone | Acetone | Diisocyanates | Total (lbs) |
| 2024 | — | — | — | — | 4 | 33 |
| 2023 | — | — | — | — | 11 | 40 |
| 2022 | — | — | — | — | 10 | 38 |
| 2021 | — | — | — | — | 3 | 32 |
| 2020 | — | — | — | — | 10 | 38 |
| 2019 | — | — | — | — | 6 | 6 |
| 2018 | — | — | — | — | 6 | 6 |
| 2017 | — | — | — | — | 6 | 25 |
| 2016 | — | — | — | — | 5 | 5 |
| 2015 | — | — | — | — | 5 | 5 |
| 2014 | — | — | — | — | 5 | 5 |
| 2013 | — | — | — | — | 5 | 5 |
| 2012 | — | — | — | — | 5 | 5 |
| 2011 | — | — | — | — | 5 | 5 |
| 2010 | — | — | — | — | 5 | 5 |
| 2009 | — | — | — | — | 5 | 5 |
| 2008 | — | — | — | — | 5 | 5 |
| 2007 | — | — | — | — | 5 | 5 |
| 1994 | — | 1,557 | — | — | — | 1,557 |
| 1993 | — | 1,064 | — | — | — | 1,064 |
| 1992 | — | 1,350 | — | — | — | 1,350 |
| 1991 | — | 1,950 | — | — | — | 1,950 |
| 1990 | 21,500 | 10,250 | — | — | — | 31,750 |
| 1989 | 27,000 | 12,250 | 27,250 | 23,750 | — | 90,250 |
▎ 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.