Facility detail

NALCO CHEMICAL CO

9165 S HARBOR AVE, CHICAGO, IL, 60617

Parent company: NALCO CHEMICAL CO

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 1,1,1-Trichloroethane Certain glycol ethers 1,2,4-Trimethylbenzene Naphthalene Xylene (mixed isomers) Total (lbs)
1994 — 44 568 — — 637
1993 — 85 786 — — 879
1992 — 94 — 103 — 197
1991 — 184 — 100 — 320
1990 1,706 690 — 100 218 2,763
1989 2,205 384 — 68 — 2,756
1988 6,835 800 — 110 — 7,746

▎ 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.