Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SPARTAN COPPER INC
HWY 77 N, HILLSBORO, TX, 76645
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Copper | Nickel compounds | Copper compounds | Total |
|---|---|---|---|---|
| 1990 | 20 | — | 20 | 40 |
| 1989 | 750 | 500 | — | 1,250 |
| 1988 | 500 | — | — | 500 |