Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
JOHNS MANVILLE
1251 MAGNOLIA AVE, CORONA, CA, 91719
Parent company: BERKSHIRE HATHAWAY
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 | Ammonia | 1,1,1-Trichloroethane | Phenol | Ammonium sulfate (solution) | Total (lbs) |
| 2001 | 15,475 | 11,267 | — | — | — | 26,742 |
| 2000 | 60,746 | 75,058 | — | — | — | 135,804 |
| 1999 | 71,944 | 71,837 | — | — | — | 143,781 |
| 1998 | 72,290 | 73,526 | — | — | — | 145,816 |
| 1997 | 61,989 | — | — | — | — | 61,989 |
| 1996 | 54,627 | — | — | — | — | 54,627 |
| 1995 | 28,523 | — | — | — | — | 28,523 |
| 1994 | 35,961 | 31,734 | — | — | — | 67,695 |
| 1993 | 24,685 | — | — | — | — | 24,685 |
| 1992 | 29,553 | 24,720 | 18,213 | 84 | 8,882 | 81,452 |
| 1991 | 29,421 | 30,685 | 19,913 | 497 | — | 80,516 |
| 1990 | 40,938 | 85,091 | 15,357 | 871 | — | 142,257 |
| 1989 | 45,248 | 40,772 | 26,238 | 1,325 | 6,746 | 120,329 |
| 1988 | 13,247 | 43,835 | 93,237 | 20,384 | 2,336 | 173,039 |
| 1987 | — | 39,235 | 73,832 | — | — | 113,067 |
▎ 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.