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.