Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CROMPTON COLORS INC
500 PEAR ST, READING, PA, 19603
Parent company: CROMPTON CORP
Carcinogen
PBT
— 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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Polycyclic aromatic compounds | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Lead | Total (lbs) | |
| 2001 | — | — | — | 1 | 1 | |
| 2000 | — | 137 | — | — | 137 | |
| 1994 | 10 | — | — | — | 10 | |
| 1993 | 11 | — | 27 | — | 38 | |
| 1992 | 11 | — | 4 | — | 15 | |
| 1990 | 81 | — | — | — | 81 | |
| 1989 | 81 | — | — | — | 81 | |
| 1988 | 284 | — | — | — | 284 | |
▎ 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.