Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MONARCH MANUFACTURING INC
2 RICHLYNN DR, BELCAMP, MD, 21017
Parent company: ARKAY INDUSTRIES INC
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Diisocyanates | 4,4'-Methylenedi(phenyl isocyanate) | Total (lbs) | |||
| 2001 | 3,030 | — | 3,030 | |||
| 2000 | 5,593 | — | 5,593 | |||
| 1998 | 750 | — | 750 | |||
| 1997 | 657 | — | 657 | |||
| 1996 | 750 | — | 750 | |||
| 1995 | 750 | — | 750 | |||
| 1994 | — | 750 | 750 | |||
| 1993 | — | 750 | 750 | |||
| 1992 | — | 750 | 750 | |||
| 1991 | — | 3 | 3 | |||
| 1990 | — | 2,000 | 2,000 | |||
| 1989 | — | 2,000 | 2,000 | |||
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.