Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MCKENZIE VALVE & MACHINING CO
145 AIRPORT RD, MC KENZIE, TN, 38201
Parent company: UNION TANK CAR CO
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 | Chromium | Manganese | Nickel | Total |
|---|---|---|---|---|
| 2004 | 13 | — | — | 13 |
| 2003 | 12 | 8 | 6 | 26 |
| 2000 | 16 | 9 | 9 | 34 |
| 1999 | 12 | 8 | 6 | 26 |