Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SMITHCO ENGINEERING INC
6312 S 39TH ST, TULSA, OK, 74132
Parent company: HUDSON CORP
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 | Dichloromethane | Chromium | Nickel | Total |
|---|---|---|---|---|
| 1998 | 10,769 | — | — | 10,769 |
| 1997 | 12,308 | — | — | 12,308 |
| 1996 | 12,308 | — | — | 12,308 |
| 1995 | 8,696 | 250 | 5 | 8,951 |
| 1991 | 1,000 | — | — | 1,000 |