Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHEVRON CHEMICAL CO
835 CASTRO ST, RICHMOND, CA, 94804
Parent company: CHEVRONTEXACO CORP
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 | Ammonia | Nitric acid | Ammonium nitrate (solution) | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Phosphoric acid | Total (lbs) |
| 1995 | 4,557 | 171 | — | 356 | 40 | 5,124 |
| 1994 | 12,454 | 348 | 454 | — | 61 | 13,320 |
| 1993 | 11,894 | 336 | 274 | — | 11 | 12,518 |
| 1992 | 16,353 | 336 | — | — | 61 | 16,753 |
| 1991 | 32,370 | 336 | — | — | 61 | 32,770 |
| 1990 | 35,842 | 336 | — | — | 11 | 36,189 |
| 1989 | 39,800 | 513 | — | — | 14 | 40,327 |
| 1988 | — | 513 | — | — | 14 | 527 |
| 1987 | — | — | — | — | 14 | 14 |
▎ 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.