Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AMPRO FERTILIZER INC.
39139 HWY. 18 W., DONALDSONVILLE, LA, 70346
Parent company: FIRST MISSISSIPPI CORP
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 | Methanol | Ammonia | Ammonium sulfate (solution) | Chlorine | Copper compounds | Total (lbs) |
| 1996 | 71,075 | 34,877 | — | 255 | — | 106,207 |
| 1995 | 76,156 | 36,417 | — | 255 | — | 112,828 |
| 1994 | 164,878 | 36,282 | — | 255 | 5 | 201,420 |
| 1993 | 163,995 | 63,146 | — | 255 | — | 227,396 |
| 1992 | 171,870 | 65,198 | — | 255 | — | 237,323 |
| 1991 | 159,554 | 64,293 | — | 255 | — | 224,102 |
| 1990 | 166,544 | 65,155 | — | 255 | — | 231,954 |
| 1989 | 2,378 | 612,067 | 132,737 | 250 | — | 747,432 |
| 1988 | 335,560 | — | 179,083 | 250 | — | 514,893 |
| 1987 | 582,364 | — | — | — | — | 582,364 |
▎ 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.