Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HELIGEAR ACQUISITION CO D/B/A NORTHSTAR AEROSPACE INC
6006 W 73RD ST, BEDFORD PARK, IL, 60638
Parent company: HELIGEAR ACQUISITION HOLDINGS 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 | Methanol | Cyanide compounds | Total (lbs) | |||
| 2024 | 16,716 | 4 | 16,720 | |||
| 2023 | 10,917 | 4 | 10,921 | |||
| 2022 | 11,060 | 6 | 11,066 | |||
| 2021 | — | 2 | 2 | |||
| 2020 | — | 3 | 3 | |||
| 2019 | 6,541 | 4 | 6,545 | |||
| 2018 | 17,806 | 3 | 17,809 | |||
| 2017 | 12,718 | 4 | 12,722 | |||
| 2016 | — | 6 | 6 | |||
| 2015 | 13,068 | 7 | 13,075 | |||
| 2014 | 17,405 | 9 | 17,414 | |||
▎ 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.