Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
THOMPSON STEEL PIPE CO
100 THOMPSON PIPE RD, PRINCETON, KY, 42445
Parent company: NORTHWEST 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 | Xylene (mixed isomers) | Manganese | Toluene | Total |
|---|---|---|---|---|
| 1995 | — | 19,876 | — | 19,876 |
| 1994 | 27,901 | 57,226 | — | 85,127 |
| 1993 | 19,130 | 59 | — | 19,189 |
| 1992 | 41,000 | 40 | 15,000 | 56,040 |
| 1991 | 26,000 | 37 | — | 26,037 |