Facility detail

ST ENGINEERING HACKNEY INC

300 HACKNEY AVE, INDEPENDENCE, KS, 67301

Parent company: ST ENGINEERING N.A. INC.

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 Xylene (mixed isomers) Methyl ethyl ketone Dichloromethane Methanol Toluene Total (lbs)
2017 — — — 16,755 — 16,755
1995 — — — — — 1
1994 13,600 — — — — 13,600
1993 15,200 17,500 — — — 32,700
1992 12,500 11,600 — — — 24,100
1991 22,300 3,600 — — — 25,900
1990 28,064 — 11,313 — 5,860 45,247
1989 18,404 — 14,065 — 8,825 41,294

▎ 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.