Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
BOWERSTON SHALE CO
1329 SEVEN HILLS RD NE, NEWARK, OH, 43055
Parent company: CLAY CITY PIPE CO
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 | Manganese compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total |
|---|---|---|---|
| 1994 | 5 | 5 | 10 |
| 1993 | 5 | 5 | 10 |
| 1992 | 5 | 5 | 10 |
| 1991 | 5 | 5 | 10 |
| 1990 | 250 | 250 | 500 |
| 1989 | 250 | 250 | 500 |
| 1988 | 250 | — | 250 |