Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NATIONAL BY-PRODUCTS INC
5701 YORK ST, DENVER, CO, 80216
Parent company: NA
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Ammonia | Chlorine dioxide | Total |
|---|---|---|---|
| 2004 | 2,035 | — | 2,035 |
| 2003 | 2,563 | — | 2,563 |
| 2002 | 2,431 | 255 | 2,686 |
| 2001 | 2,665 | 255 | 2,920 |
| 2000 | 2,816 | 255 | 3,071 |
| 1999 | 2,729 | 255 | 2,984 |
| 1998 | 2,703 | — | 2,703 |
| 1997 | 2,430 | — | 2,430 |
| 1996 | 2,358 | — | 2,358 |
| 1995 | 2,282 | — | 2,282 |
| 1994 | 1,926 | — | 1,926 |
| 1993 | 500 | — | 500 |
| 1992 | 500 | — | 500 |
| 1991 | 500 | — | 500 |
| 1990 | 500 | — | 500 |