EPA TRI Chemical
O-Xylene
CAS Number: 95-47-6
- Total releases
- 956.2K lbs
- Number of facilities
- 75
- Carcinogen
- No
- PBT substance
- No
According to the EPA Toxics Release Inventory, O-Xylene (CAS 95-47-6) is disclosed by 75 Form R facilities totaling 956.2K lbs of reported releases. TRI pounds are self-reported disclosure totals, not a measured public-health risk score.
O-Xylene (CAS 95-47-6) is a chemical tracked by the EPA Toxics Release Inventory (TRI) program under Section 313 of the Emergency Planning and Community Right-to-Know Act. The TRI requires industrial facilities above specified threshold quantities to disclose annual manufacturing, processing, and otherwise-used volumes, along with quantities released to air, water, land, and off-site transfers.
A carcinogen flag, when present on other chemicals in this database, reflects an assessment from EPA, IARC, or the National Toxicology Program rather than a TRI-specific determination. The largest individual disclosure in the current dataset comes from INDORAMA VENTURES in AL at 385.2K lbs.
TRI volumes are self-reported estimates, not measured stack emissions, and each pound counts equally regardless of chemical toxicity, so total pounds should not be equated with total risk. Inclusion of a chemical or facility in the TRI does not itself establish a health hazard; it documents the public right-to-know record. Consult EPA's IRIS (Integrated Risk Information System) and the Agency for Toxic Substances and Disease Registry for health-effect summaries.
AIR pathway mix
O-Xylene: how the 956.2K lbs splits
956.2K lbs across all reported pathways
- Air Releases785.4K lbs82.1%
- Off-site Transfers128.6K lbs13.5%
- Land Disposal35.5K lbs3.7%
- Water Discharges6.7K lbs0.7%
O-Xylene's 956.2K lbs Form-R total is AIR, with air releases making up 82.1% of the bar. Next segment: off-site transfers at 13.5%.
Trend & Where It's Reported
Between 2019 and 2023, cumulative annual O-Xylene releases across all reporting facilities decreased by 24% (216.6K lbs → 164.8K lbs). Year-to-year swings reflect facility openings/closures and reporting changes as much as underlying activity.
Reporting for O-Xylene is concentrated: Alabama accounts for 40.4% of the reported total (2 facilities). Next: Texas.
- Alabama 386.7K lbs
- Texas 151.9K lbs
- New Jersey 109.5K lbs
- Missouri 64.6K lbs
- Illinois 62.2K lbs
Reporting for O-Xylene is highly concentrated by industry: Chemicals facilities account for 83.1% of the reported total (27 facilities). Next: Petroleum.
- Chemicals 794.8K lbs
- Petroleum 96.1K lbs
- Hazardous Waste 37.3K lbs
- Natural Gas Processing 21.3K lbs
- Computers and Electronic Products 3.5K lbs
Which facilities release the most of this chemical?
Facilities with the largest reported releases of O-Xylene. Up to 50 shown.
Frequently Asked Questions
What is O-Xylene in the EPA TRI? ▼
How much O-Xylene is disclosed in U.S. TRI filings? ▼
How does EPA TRI classify O-Xylene? ▼
Which facilities disclose the most O-Xylene? ▼
What is the CAS number for O-Xylene? ▼
Health Information
Data comes from the EPA Toxic Release Inventory (TRI) program. Release quantities are self-reported by facilities and may represent estimates. The total shown aggregates reports across all facilities and reporting years.
PlainEnviro presents this data without advocacy framing. The presence of a chemical in the TRI database does not by itself indicate a health risk at current exposure levels. For health-related questions about specific chemical exposures, consult your local health agency or a toxicologist.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the EPA Toxic Release Inventory (TRI). Consult a qualified professional before making decisions based on this data.
Read our methodology - how this data is sourced, computed, and verified.