Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SYSTEMS BIO INDUSTRIES INC
2350 KERPER BLVD, DUBUQUE, IA, 520012220
Parent company: SYSTEMS BIO INDUSTRIES SOUTH AMERICA
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1994 | — | 31 | 31 | |||
| 1993 | 90 | 43 | 133 | |||
| 1992 | 45 | 5 | 50 | |||
| 1991 | 45 | — | 45 | |||
| 1990 | 10 | — | 10 | |||
▎ 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.