EPA TRI Facility · Fabricated Metals
Maysteel Porter's Fabrication of Sumter
Sumter, SC
- Total releases
- 82 lbs
- Chemicals reported
- 1
- Latest report
- 2021
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Maysteel Porter's Fabrication of Sumter: how the 82 lbs splits
82 lbs across all reported pathways
- Off-site Transfers 62 lbs 75.5%
- Air Releases 20 lbs 24.5%
Maysteel Porter's Fabrication of Sumter's 82 lbs Form-R total is OFFSITE - off-site transfers is 75.5% of the bar. Next segment: air releases at 24.5%. Leading chemical by pounds: Manganese.
TRACE volume OFFSITE pathway CLEAN
Maysteel Porter's Fabrication of Sumter is an EPA Toxics Release Inventory reporter in Sumter, SC, in the fabricated metals sector. It reported 30 lbs of releases across 1 chemical in 2021, and 82 lbs in total across its 2019-2021 reporting years. That ranks 16,750 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In South Carolina's 574 reporting TRI sites, pounds #1 is not chemical-count #1. Maysteel Porter's Fabrication of Sumter is pounds #430 and chemical-count #486 at 82 lbs. Oceanagold Haile Gold Mine leads reported pounds (30.2M lbs) at 19 chemicals (chemical-count #14). Giant Cement Co leads chemical count at 90 chemicals (53.3K lbs, pounds #185). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Caterpillar Implement & Steering System (sumter Sc); Bd Life Sciences; Concrete Supply Co LLC - Sumter; Santee Print Works. Similar-scale Fabricated Metals peers outside South Carolina: Alloy & Stainless Fasteners; Qualico Precision Products LLC; Hadronics LLC; Justrite Safety Group - Eagle Manufacturing Co. Largest disclosed chemicals by pounds: Manganese.
Maysteel Porter's Fabrication of Sumter stamps TRACE volume with a dominant OFFSITE pathway (75.5% off-site transfers) across 1 chemical. Cumulative Form-R extract: 82 lbs (2019–2021). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Alloy & Stainless Fasteners and Qualico Precision Products LLC.
Maysteel Porter's Fabrication of Sumter vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
82 lbs 36th percentile higher than 36% 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
Maysteel Porter's Fabrication of Sumter in the Fabricated Metals sector extract
Among the 3,421 Fabricated Metals facilities in this database, Maysteel Porter's Fabrication of Sumter reports the 2,222nd-largest volume (82 lbs). Scale peers outside South Carolina include Alloy & Stainless Fasteners and Qualico Precision Products LLC.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Maysteel Porter's Fabrication of Sumter Form-R facts
Compare this facility
See how Maysteel Porter's Fabrication of Sumter stacks up against nearby facilities and the typical reporter.
2.3× more than the comparison
50% 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 Maysteel Porter's Fabrication of Sumter releases toxic chemicals into the environment. Total: 82 lbs.
Emissions Trend Summary
From 2019 to 2021, total releases decreased by 11% (34 lbs to 30 lbs).
Maysteel Porter's Fabrication of Sumter: annual Form-R pounds
TRACE site · OFFSITE pathway · TRI years 2019–2021
- 2019 0
- 2020 0
- 2021 0
What this shows Maysteel Porter's Fabrication of Sumter year-over-year reported totals (decreased by 11% from 2019 to 2021). 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: Manganese.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 34 lbs | 1 |
| 2020 | 18 lbs | 1 |
| 2021 | 30 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2021). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Manganese | 82 lbs | - |
Maysteel Porter's Fabrication of Sumter · OFFSITE-pathway site
Nearest TRI Facilities to Maysteel Porter's Fabrication of Sumter
Closest other reporters in South Carolina - including Caterpillar Implement & Steering System (sumter Sc), Bd Life Sciences, Concrete Supply Co LLC - Sumter, ordered by distance.
Showing 8 of 573 other reporting facilities in South Carolina.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside South Carolina - e.g. Alloy & Stainless Fasteners, Qualico Precision Products LLC, Hadronics LLC.
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 Manganese; nearby reporters include Caterpillar Implement & Steering System (sumter Sc). Maysteel Porter's Fabrication of Sumter stamps TRACE volume · OFFSITE 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 Maysteel Porter's Fabrication of Sumter TRI extract (TRACE · OFFSITE · CLEAN · lead Manganese) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Maysteel Porter's Fabrication of Sumter totals are self-reported EPCRA §313 estimates for Sumter, SC, latest year 2021. Form-R rows span 2019–2021 (3 years). NAICS 332999 · Fabricated Metals. 0.0% of Sumter TRI pounds in this extract. Nearest ABS peer: National Ready Mix Concrete Co . (Δ 0 lbs). Pounds ≠ exposure.
Maysteel Porter's Fabrication of Sumter stamps TRACE volume · OFFSITE pathway · CLEAN · lead Manganese. 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