Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ROCHESTER PRECISION OPTICS LLC
850 JOHN ST, WEST HENRIETTA, NY, 14586
Parent company: NA
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 | Dichloromethane | Xylene (mixed isomers) | Total (lbs) | |||
| 2014 | — | 43 | 43 | |||
| 2013 | 1,893 | 29 | 1,922 | |||
| 2012 | 1,708 | 109 | 1,817 | |||
| 2011 | 2,783 | — | 2,783 | |||
▎ 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.