Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WHITING SCREW MACHINE PRODS
2969 STATE ST, HAMDEN, CT, 06517
Parent company: WHITING PRODS 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 | Dichloromethane | Phosphoric acid | Nitric acid | Total (lbs) | ||
| 1992 | 18,500 | 250 | 5 | 18,755 | ||
| 1991 | 14,686 | 250 | 250 | 15,186 | ||
| 1990 | 19,142 | 310 | 310 | 19,762 | ||
▎ 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.