EPA TRI Facility · Chemicals
Hyperion Catalysis Inc
Cambridge, MA
- Total releases
- 104 lbs
- Chemicals reported
- 1
- Latest report
- 2020
- Primary pathway
- Air Releases
Hyperion Catalysis Inc has reported 104 lbs of toxic releases across 1 chemical to the EPA Toxic Release Inventory, based on annual facility disclosures from 2019 through 2024. The facility operates in the Chemicals sector. The primary release pathway is air releases, accounting for 100% of total releases. All release data shown below is self-reported to the EPA under the Emergency Planning and Community Right-to-Know Act (EPCRA) Section 313.
Hyperion Catalysis Inc files annual Form R disclosures to the EPA Toxics Release Inventory under EPCRA Section 313, classified under NAICS 325180 (Chemicals). Across 2 years of records spanning 2019–2020, the site has disclosed 104 lbs in cumulative toxic releases across 1 distinct chemical.
The dominant release pathway is air releases at 104 lbs (100.0% of total volume). Between 2019 and 2020, reported totals decreased by 77% - from 84 lbs to 20 lbs.
TRI Form R values are self-reported estimates, not measured stack emissions, and treat every pound of reported chemical equally regardless of toxicity. Inclusion in the TRI database does not establish a health risk to nearby residents; it documents the annual reporting record that Hyperion Catalysis Inc has filed with the EPA under federal community right-to-know requirements.
Quick Facts
Compare this facility
See how Hyperion Catalysis Inc stacks up against nearby facilities and the typical reporter.
100% less than the comparison
89% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Hyperion Catalysis Inc releases toxic chemicals into the environment. Total: 104 lbs.
Emissions Trend Summary
From 2019 to 2020, total releases decreased by 77% (84 lbs to 20 lbs).
Reported total releases by year
Hyperion Catalysis Inc - annual TRI totals
- 2019 0
2019
0 million lbs
- 2020 0
2020
0 million lbs
What this shows Year-over-year reported totals. TRI figures are self-reported estimates and can swing with production levels, waste-rock handling and reporting changes, not only with emissions controls.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 84 lbs | 1 |
| 2020 | 20 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2020). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ethylene | 104 lbs | - |
Location
Other Facilities in Massachusetts
About TRI Data
Data as of 2024 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
Data comes from the EPA Toxic Release Inventory (TRI) program. Facilities that manufacture, process, or otherwise use listed toxic chemicals above threshold amounts are required to report annually to the EPA.
Release quantities are self-reported by the facility and may represent estimates rather than exact measurements. "Total releases" includes releases to air, water, land, and off-site transfers for disposal. Quantities shown here are aggregated across all available reporting years.
PlainEnviro presents this data without advocacy framing. The presence of a facility in the TRI database does not by itself indicate a health risk. For site-specific health questions, consult your local environmental or health agency.
Frequently Asked Questions
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Read our methodology - how this data is sourced, computed, and verified.
Related
Sources & how this page was built
Every figure on this page traces to public, federal-government data on Hyperion Catalysis Inc. The records below are the primary sources; our methodology explains how they are joined, computed, and verified.
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program, chemical & reporting reference - what each chemical is and how releases are counted. epa.gov
- EPA Facility Registry Service (FRS) - authoritative facility location and identity. epa.gov
- EPA Enforcement & Compliance History Online (ECHO) - regulatory and compliance context. echo.epa.gov
- EPA Envirofacts - the EPA data warehouse that exposes these datasets. enviro.epa.gov
Retrieved and formatted by PlainEnviro Editorial. TRI release totals are self-reported estimates, not measured stack emissions.