Toxic Release Inventory data for 2024. 21 facilities reported releasing isobutyraldehyde.
| Facility | State | On-site (lb) |
|---|---|---|
| Eastman Chemical Co Texas Operations Longview | Texas | 53.5k |
| Oxea Corp Bay City Plant Bay City | Texas | 6.5k |
| Basf Corp Pasadena Plant Pasadena | Texas | 4.4k |
| Monument Chemical Houston Llc Houston | Texas | 2.2k |
| Eastman Chemical Co Tennessee Operations Kingsport | Tennessee | 2.1k |
| Arnette Polymers Llc Richmond | Missouri | 1.8k |
| Union Carbide Corp Texas City Plant Texas City | Texas | 1.3k |
| Symrise Inc Goose Creek | South Carolina | 1.2k |
| Valicor Environmental Services Llc Dayton | Ohio | 255 |
| Basf Corp - Freeport Site Freeport | Texas | 232 |
| St Charles Operations (Taft/Star) Union Carbide Corp Hahnville | Louisiana | 66 |
| Celanese Ltd Bay City Plant Bay City | Texas | 6 |
| Evonik Corp Los Angeles | California | 6 |
| Clean Harbors Environmental Services Inc Kimball | Nebraska | 5 |
| Lyondell Chemical Co Channelview | Texas | 4 |
| Buzzi Unicem Usa-Cape Girardeau Cape Girardeau | Missouri | 1 |
| Clean Harbors Deer Park Llc La Porte | Texas | 0 |
| Clean Harbors El Dorado Llc El Dorado | Arkansas | 0 |
| Pflaumer Brothers Inc Trenton | New Jersey | 0 |
The Toxic Release Inventory (TRI) tracks how much of each listed chemical U.S. industrial facilities release into the environment each year. EPA requires facilities in certain industry sectors that manufacture, process, or otherwise use TRI-listed chemicals above threshold amounts to report annually. In 2024, 21 facilities reported releasing isobutyraldehyde to EPA's TRI program.
Releases are spread across all three environmental pathways: 73.3k lb to air (stack and fugitive emissions), 21 lb to water (surface water discharges), and 206.7k lb to land (landfills, surface impoundments, and land treatment).
TRI data represents reported releases, not measured environmental concentrations. A facility reporting large releases of isobutyraldehyde is not necessarily causing harm at those levels — toxicity, exposure pathways, and local conditions all matter. Conversely, small reported amounts of highly toxic chemicals can pose greater risk than large amounts of less toxic ones. TRI is a transparency tool, not a risk assessment.
For health information about specific chemicals, the Agency for Toxic Substances and Disease Registry (ATSDR) publishes toxicological profiles, and EPA's Integrated Risk Information System (IRIS) provides reference doses and cancer classifications.