Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HIGHLAND SUPPLY CORP
300 HIGHLAND AVE PO BOX 151, HOBART, OK, 73651
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 | Toluene | Methyl isobutyl ketone | Total (lbs) | |||
| 1992 | 15,532 | 13,247 | 28,779 | |||
| 1991 | 18,956 | 16,211 | 35,167 | |||
| 1990 | 16,359 | 17,380 | 33,739 | |||
| 1988 | — | 13,435 | 13,435 | |||
| 1987 | 15,453 | — | 15,453 | |||
▎ 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.