Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
RIDLEY BLOCK OPERATIONS
1004 SOUTH ST, WHITEWOOD, SD, 57793
Parent company: ALLTECH INC
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 | Zinc compounds | Manganese compounds | Total |
|---|---|---|---|
| 1998 | 5 | 5 | 10 |
| 1996 | 5 | 5 | 10 |
| 1995 | 5 | 5 | 10 |
| 1994 | 5 | — | 5 |