Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GENERAL REFRACTORIES CO US REFRACTORIES DIV
HWY 135 N PO BOX 546, TROUP, TX, 75789
Parent company: RGP HOLDING 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 | Phosphoric acid | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) | |||
| 1991 | 500 | 250 | 750 | |||
| 1988 | 1,700 | — | 1,700 | |||
▎ 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.