Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
O'BRIEN CORP/CARDINAL UHP
1900 CRYSTAL INDUSTRIAL COURT, VINITA PARK, MO, 63114
Parent company: AMETEK INC
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 | Nitric acid | Zinc (fume or dust) | 4,4'-Methylenedi(phenyl isocyanate) | Diisocyanates | Total (lbs) | |
| 2023 | 250 | — | — | — | 250 | |
| 2022 | 11 | — | — | — | 11 | |
| 2021 | 11 | — | — | — | 11 | |
| 2020 | 11 | — | — | — | 11 | |
| 2019 | 11 | — | — | — | 11 | |
| 2018 | 11 | — | — | — | 11 | |
| 2017 | 11 | — | — | — | 11 | |
| 2016 | 11 | — | — | — | 11 | |
| 2015 | 11 | — | — | — | 11 | |
| 2014 | 11 | 6 | — | — | 17 | |
| 2013 | 11 | 12 | — | — | 23 | |
| 2012 | 11 | 6 | — | — | 17 | |
| 2011 | 11 | 13 | — | — | 24 | |
| 2010 | — | 6 | — | — | 6 | |
| 2009 | — | 6 | — | — | 6 | |
| 2008 | — | 6 | — | — | 6 | |
| 1995 | — | — | — | 5 | 5 | |
| 1994 | — | — | 5 | — | 5 | |
▎ 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.