Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TITMUS OPTICAL INC
1015 COMMERCE ST, PETERSBURG, VA, 23803
Parent company: CARL ZEISS INC
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 | Trichloroethylene | Diethyl phthalate | Total (lbs) | |||
| 1994 | — | 500 | 500 | |||
| 1993 | — | 500 | 500 | |||
| 1992 | — | 500 | 500 | |||
| 1991 | 3,000 | 500 | 3,500 | |||
| 1990 | 5,836 | 250 | 6,086 | |||
| 1989 | 6,380 | — | 6,380 | |||
| 1987 | 4,500 | — | 4,500 | |||
▎ 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.