Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GRASS VALLEY GROUP INC
13024 BITNEY SPRINGS RD, NEVADA CITY, CA, 95959
Parent company: TEKTRONIX INC
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 | Freon 113 (CFC-113) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Copper compounds | Total (lbs) | |
| 1992 | — | 255 | — | — | 255 | |
| 1991 | — | 255 | — | 5 | 260 | |
| 1990 | 16,500 | 255 | 255 | — | 17,010 | |
| 1989 | 3,032 | — | — | — | 3,032 | |
| 1988 | 11,020 | 205 | — | — | 11,225 | |
▎ 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.