EPA TRI Facility · Chemicals
Porcelen Ltd Ct LLC
Hamden, CT
- Total releases
- 5.3K lbs
- Chemicals reported
- 2
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Porcelen Ltd Ct LLC: how the 6.0K lbs splits
6.0K lbs across all reported pathways
- Air Releases 6.0K lbs 100.0%
Porcelen Ltd Ct LLC's 6.0K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: N-Methyl-2-pyrrolidone.
LIGHT volume AIR pathway CLEAN
Porcelen Ltd Ct LLC is an EPA Toxics Release Inventory reporter in Hamden, CT, in the chemicals sector. It reported 655 lbs of releases across 1 chemical in 2024, and 5.3K lbs in total across its 2019-2024 reporting years. That ranks 11,076 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Connecticut's 240 reporting TRI sites, pounds #1 is not chemical-count #1. Porcelen Ltd Ct LLC is pounds #100 and chemical-count #143 at 5.3K lbs. Clean Harbors of Connecticut Inc leads reported pounds (1.5M lbs) at 15 chemicals (chemical-count #2). Allnex USA Inc. Wallingford Ct Site leads chemical count at 19 chemicals (436.7K lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Leed-Himmel Industries Inc; Kuehne Chemical Co Inc.; New Haven Chemicals LLC; Linde Advanced Material Technologies Inc.. Similar-scale Chemicals peers outside Connecticut: Sherwin-Williams Co; Kedrion Biopharma; Pbi/gordon Corp; Maine Standard Biofuels. Largest disclosed chemicals by pounds: N-Methyl-2-pyrrolidone; 1,2,4-Trimethylbenzene.
Porcelen Ltd Ct LLC stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals. Cumulative Form-R extract: 5.3K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Sherwin-Williams Co and Kedrion Biopharma.
Porcelen Ltd Ct LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.3K lbs Top 43% higher than 57% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Porcelen Ltd Ct LLC: N-Methyl-2-pyrrolidone-led volume
Among the 3,917 Chemicals facilities in this database, Porcelen Ltd Ct LLC reports the 2,288th-largest volume (5.3K lbs). Its reported volume is concentrated rather than spread: N-Methyl-2-pyrrolidone alone is 91.4% of the total. Scale peers outside Connecticut include Sherwin-Williams Co and Kedrion Biopharma.
Concentrated means ≥60% of Porcelen Ltd Ct LLC's pounds in one chemical - here N-Methyl-2-pyrrolidone at 91.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Porcelen Ltd Ct LLC's total reported releases fell from 684 lb in 2022 to 611 lb in 2023, based on EPA TRI filings.
- Porcelen Ltd Ct LLC's air releases fell from 684 lb in 2022 to 611 lb in 2023, based on EPA TRI filings.
Porcelen Ltd Ct LLC Form-R facts
Compare this facility
See how Porcelen Ltd Ct LLC stacks up against nearby facilities and the typical reporter.
331875.0× more than the comparison
2.0× more 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 Porcelen Ltd Ct LLC releases toxic chemicals into the environment. Total: 6.0K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 49% (1.3K lbs to 655 lbs).
Porcelen Ltd Ct LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Porcelen Ltd Ct LLC year-over-year reported totals (decreased by 49% from 2019 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: N-Methyl-2-pyrrolidone.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.3K lbs | 2 |
| 2020 | 1.4K lbs | 2 |
| 2021 | 1.4K lbs | 2 |
| 2022 | 684 lbs | 1 |
| 2023 | 611 lbs | 1 |
| 2024 | 655 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| N-Methyl-2-pyrrolidone | 5.5K lbs | - |
| 1,2,4-Trimethylbenzene | 515 lbs | - |
Porcelen Ltd Ct LLC · AIR-pathway site
Nearest TRI Facilities to Porcelen Ltd Ct LLC
Closest other reporters in Connecticut - including Leed-Himmel Industries Inc, Kuehne Chemical Co Inc., New Haven Chemicals LLC, ordered by distance.
Showing 8 of 239 other reporting facilities in Connecticut.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Connecticut - e.g. Sherwin-Williams Co, Kedrion Biopharma, Pbi/gordon Corp.
Compare beyond Connecticut
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Porcelen Ltd Ct LLC on cumulative reported pounds (5.3K lbs) and distinct chemical count (2). Release-pound peers include Glen-Gery Corp, Univar Solutions USA, Intersystems International Inc.. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Glen-Gery Corp York, PA · Nonmetallic Mineral Product 5.3K lbs reported
- Univar Solutions USA Twinsburg, OH · Chemical Wholesalers 5.3K lbs reported
- Intersystems International Inc. Omaha, NE · Machinery 5.3K lbs reported
- Oldcastle Infrastructure Telford, PA · Nonmetallic Mineral Product 5.3K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include N-Methyl-2-pyrrolidone, 1,2,4-Trimethylbenzene; nearby reporters include Leed-Himmel Industries Inc. Porcelen Ltd Ct LLC stamps LIGHT volume · AIR pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Porcelen Ltd Ct LLC TRI extract (LIGHT · AIR · CLEAN · lead N-Methyl-2-pyrrolidone) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Porcelen Ltd Ct LLC totals are self-reported EPCRA §313 estimates for Hamden, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 325510 · Chemicals. 0.2% of New Haven TRI pounds in this extract. Nearest ABS peer: Glen-Gery Corp (Δ 3 lbs). Pounds ≠ exposure.
Porcelen Ltd Ct LLC stamps LIGHT volume · AIR pathway · CLEAN · lead N-Methyl-2-pyrrolidone. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov