Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
POLYPURE INC
501 NICHOLS RD, PITTSBURG, CA, 94565
Parent company: SNF HOLDING CO
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 | Formaldehyde | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Dimethylamine | Acrylamide | Total (lbs) | |
| 2002 | 280 | — | 168 | — | 448 | |
| 2001 | — | — | 65 | — | 65 | |
| 2000 | — | — | 60 | — | 60 | |
| 1994 | 23 | 10 | — | — | 33 | |
| 1993 | 22 | 6 | — | — | 28 | |
| 1991 | 19 | 4 | — | — | 23 | |
| 1990 | 260 | 500 | — | 10 | 770 | |
▎ 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.