Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ISP SAN DIEGO
2145 E BELT ST, SAN DIEGO, CA, 92113
Parent company: ISP CHEMCO 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 | Propylene oxide | Chlorine | Formaldehyde | Total (lbs) | ||
| 2005 | 5,603 | 10,064 | 3,571 | 19,238 | ||
| 2004 | 10,243 | 8,205 | 3,928 | 22,376 | ||
| 2003 | 7,569 | 9,580 | 3,435 | 20,584 | ||
| 2002 | 6,838 | 4,213 | 3,770 | 14,821 | ||
| 2001 | 7,512 | 713 | 828 | 9,053 | ||
| 2000 | 9,227 | 861 | 743 | 10,831 | ||
| 1999 | 18,658 | 2,858 | 897 | 22,413 | ||
▎ 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.