Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BOYCE HIGHLANDS
14 WHITNEY RD, CONCORD, NH, 03301
Parent company: NA
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 | Xylene (mixed isomers) | Toluene | Methyl ethyl ketone | Total (lbs) | ||
| 2000 | 10,858 | — | — | 10,858 | ||
| 1999 | 13,814 | — | 12,487 | 26,301 | ||
| 1993 | — | 15,000 | — | 15,000 | ||
▎ 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.