Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NATIONAL LOCK CORP
104 KEYSTONE DR, SIKESTON, MO, 63801
Parent company: AMERICAN BUILDERS HARDWARE 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 | Xylene (mixed isomers) | Trichloroethylene | Selenium | Total |
|---|---|---|---|---|
| 1989 | 3,540 | 6,780 | 250 | 10,570 |
| 1988 | 3,960 | — | — | 3,960 |
| 1987 | — | — | 250 | 250 |