Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HILL'S PET NUTRITION INC
320 NE CRANE ST, TOPEKA, KS, 66603
Parent company: COLGATE-PALMOLIVE CO
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 | Phosphoric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1994 | 322 | — | 322 | |||
| 1993 | 241 | — | 241 | |||
| 1992 | 110 | — | 110 | |||
| 1991 | 163 | 120 | 283 | |||
| 1990 | 122 | 120 | 242 | |||
| 1989 | 104 | 231 | 335 | |||
| 1988 | — | 250 | 250 | |||
| 1987 | 150 | — | 150 | |||
▎ 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.