Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
5400 OLD FOLSOM RD, RAPID CITY, SD, 57703
Parent company: NA
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Arsenic compounds | Copper compounds | Total |
|---|---|---|---|---|
| 1996 | — | 10 | — | 10 |
| 1995 | 10 | 10 | 10 | 30 |
| 1994 | 10 | — | 10 | 20 |
| 1993 | 10 | 10 | 10 | 30 |
| 1992 | 10 | 10 | — | 20 |
| 1991 | 10 | — | — | 10 |