Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
CHEMTOOL ROCKTON NORTH PLANT
1165 PRAIRIE HILL RD, ROCKTON, IL, 61072
Parent company: BERKSHIRE HATHAWAY INC
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 | Xylene (mixed isomers) | Nickel | Chromium | Zinc (fume or dust) | Copper | Total |
|---|---|---|---|---|---|---|
| 2018 | — | — | — | — | — | 268 |
| 1990 | 21,005 | 10 | 10 | 10 | — | 21,035 |
| 1989 | 5,500 | 500 | 500 | 500 | 500 | 7,500 |
| 1988 | — | 500 | — | — | — | 500 |