Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SYSTECH ENVIRONMENTAL CORP
1480 FORD AVE, ALPENA, MI, 49707
Parent company: LAFARGE NORTH AMERICA INC
Carcinogen
— EPA classifications across all reporting years
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 | Xylene (mixed isomers) | Toluene | Acetone | Ethylbenzene | Methyl ethyl ketone | Total (lbs) |
| 1993 | 407 | 275 | 29 | 71 | 38 | 884 |
| 1992 | 5,800 | 4,200 | 940 | 860 | 770 | 13,570 |
▎ 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.