EPA TRI Facility · Chemicals
Seemann Composites LLC
Gulfport, MS
- Total releases
- 3.8K lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Seemann Composites LLC: how the 3.8K lbs splits
3.8K lbs across all reported pathways
- Air Releases 3.8K lbs 100.0%
Seemann Composites LLC's 3.8K 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: Styrene.
LIGHT volume AIR pathway CARC-HEAVY
Seemann Composites LLC is an EPA Toxics Release Inventory reporter in Gulfport, MS, in the chemicals sector. It reported 875 lbs of releases across 1 chemical in 2023, and 3.8K lbs in total across its 2019-2023 reporting years. That ranks 11,687 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Mississippi's 328 reporting TRI sites, pounds #1 is not chemical-count #1. Seemann Composites LLC is pounds #175 and chemical-count #247 at 3.8K lbs. Tronox LLC leads reported pounds (64.0M lbs) at 17 chemicals (chemical-count #12). Chevron Products Co Pascagoula Refinery leads chemical count at 46 chemicals (7.4M lbs, pounds #9). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Gulf Ship LLC; Soprema Inc; Crh Americas Inc; Gulf States Ready-Mix Plant 10. Similar-scale Chemicals peers outside Mississippi: Shield Packaging Co Inc; Chem-Pak Inc; Wr Meadows of Northern California; Mobile Rosin Oil Co Inc. Largest disclosed chemicals by pounds: Styrene.
Seemann Composites LLC stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 3.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Shield Packaging Co Inc and Chem-Pak Inc.
Seemann Composites LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.8K lbs Top 45% higher than 55% 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
Seemann Composites LLC: Styrene-led volume
Among the 3,917 Chemicals facilities in this database, Seemann Composites LLC reports the 2,423rd-largest volume (3.8K lbs). Its reported volume is concentrated rather than spread: Styrene alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside Mississippi include Shield Packaging Co Inc and Chem-Pak Inc.
Concentrated means ≥60% of Seemann Composites LLC's pounds in one chemical - here Styrene at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Seemann Composites LLC's total reported releases rose from 642 lb in 2022 to 875 lb in 2023, based on EPA TRI filings.
- Seemann Composites LLC's air releases rose from 642 lb in 2022 to 875 lb in 2023, based on EPA TRI filings.
Seemann Composites LLC Form-R facts
Compare this facility
See how Seemann Composites LLC stacks up against nearby facilities and the typical reporter.
6.7× more than the comparison
86% 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 Seemann Composites LLC releases toxic chemicals into the environment. Total: 3.8K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 22% (716 lbs to 875 lbs).
Seemann Composites LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Seemann Composites LLC year-over-year reported totals (increased by 22% from 2019 to 2023). 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: Styrene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 716 lbs | 1 |
| 2020 | 918 lbs | 1 |
| 2021 | 608 lbs | 1 |
| 2022 | 642 lbs | 1 |
| 2023 | 875 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 3.8K lbs | Carcinogen |
Seemann Composites LLC · AIR-pathway site
Nearest TRI Facilities to Seemann Composites LLC
Closest other reporters in Mississippi - including Gulf Ship LLC, Soprema Inc, Crh Americas Inc, ordered by distance.
Showing 8 of 327 other reporting facilities in Mississippi.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Mississippi - e.g. Shield Packaging Co Inc, Chem-Pak Inc, Wr Meadows of Northern California.
Compare beyond Mississippi
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Seemann Composites LLC on cumulative reported pounds (3.8K lbs) and distinct chemical count (1). Release-pound peers include Shield Packaging Co Inc, Badger Foundry Co, Borgwarner Turbo Systems. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. 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.
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 Styrene; nearby reporters include Gulf Ship LLC. Seemann Composites LLC stamps LIGHT volume · AIR pathway · CARC-HEAVY 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 Seemann Composites LLC TRI extract (LIGHT · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Seemann Composites LLC totals are self-reported EPCRA §313 estimates for Gulfport, MS, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325991 · Chemicals. 0.0% of Harrison TRI pounds in this extract. Nearest ABS peer: Shield Packaging Co Inc (Δ 0 lbs). Pounds ≠ exposure.
Seemann Composites LLC stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Styrene. 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