Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SPI SONORA DIV
14980 CAMAGE RD, SONORA, CA, 95370
Parent company: NA
Carcinogen
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 | Toluene | Phosphoric acid | Acetone | Methyl ethyl ketone | Formaldehyde | Total (lbs) |
| 2019 | — | — | — | — | — | 1 |
| 2018 | — | — | — | — | — | 1 |
| 2017 | — | — | — | — | — | 1 |
| 2016 | — | — | — | — | — | 1 |
| 2015 | — | — | — | — | — | 1 |
| 2014 | — | — | — | — | — | 1 |
| 2013 | — | — | — | — | — | 1 |
| 1994 | 52,700 | — | — | — | — | 52,700 |
| 1993 | 54,300 | — | 45,900 | — | — | 100,200 |
| 1992 | — | — | 7 | — | — | 7 |
| 1991 | — | — | 8 | — | — | 8 |
| 1990 | — | 33,779 | 26,018 | — | — | 59,797 |
| 1989 | 43,100 | 42,700 | 35,500 | — | — | 121,300 |
| 1988 | — | 68,613 | — | 16,401 | 2,820 | 87,834 |
▎ 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.