EPA TRI Facility · Primary Metals
Semco Inc
Marion, OH · Parent: Semco Inc
- Total releases
- 363 lbs
- Chemicals reported
- 1
- Latest report
- 2019
- Primary pathway
- Land Disposal
LAND Form-R mix
Semco Inc: how the 363 lbs splits
363 lbs across all reported pathways
- Land Disposal 263 lbs 72.5%
- Water Discharges 67 lbs 18.4%
- Off-site Transfers 31 lbs 8.5%
- Air Releases 2 lbs 0.6%
Semco Inc's 363 lbs Form-R total is LAND - land disposal is 72.5% of the bar. Next segment: water discharges at 18.4%. Leading chemical by pounds: Copper.
TRACE volume LAND pathway CLEAN
Semco Inc is an EPA Toxics Release Inventory reporter in Marion, OH, in the primary metals sector. It reported 363 lbs of releases across 1 chemical in 2019. That ranks 15,170 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Ohio's 1,299 reporting TRI sites, pounds #1 is not chemical-count #1. Semco Inc is pounds #1002 and chemical-count #1160 at 363 lbs. Ineos Nitriles USA LLC leads reported pounds (42.4M lbs) at 31 chemicals (chemical-count #10). Heritage Thermal Services leads chemical count at 217 chemicals (431.4K lbs, pounds #116). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Hildreth Manufacturing LLC; Nachurs Alpine Solutions; Ohio Galvanizing Corp; US Yachiyo Inc. Similar-scale Primary Metals peers outside Ohio: Minteq/specialty Minerals; Taber Extrusions LLC; Atlas Tube Inc. - Blytheville Plant; Spartan Light Metal Products Inc. Largest disclosed chemicals by pounds: Copper.
Semco Inc stamps TRACE volume with a dominant LAND pathway (72.5% land disposal) across 1 chemical. Cumulative Form-R extract: 363 lbs (2019–2019). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Minteq/specialty Minerals and Taber Extrusions LLC.
Semco Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
363 lbs 42nd percentile higher than 42% 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
Semco Inc in the Primary Metals sector extract
Among the 1,603 Primary Metals facilities in this database, Semco Inc reports the 1,116th-largest volume (363 lbs). Scale peers outside Ohio include Minteq/specialty Minerals and Taber Extrusions LLC.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Semco Inc Form-R facts
Compare this facility
See how Semco Inc stacks up against nearby facilities and the typical reporter.
2.5× more than the comparison
About the same as 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 Semco Inc releases toxic chemicals into the environment. Total: 363 lbs.
Chemical Releases
Aggregated across all reporting years (2019–2019). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper | 363 lbs | - |
Semco Inc · LAND-pathway site
Nearest TRI Facilities to Semco Inc
Closest other reporters in Ohio - including Hildreth Manufacturing LLC, Nachurs Alpine Solutions, Ohio Galvanizing Corp, ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Ohio - e.g. Minteq/specialty Minerals, Taber Extrusions LLC, Atlas Tube Inc. - Blytheville Plant.
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 Copper; nearby reporters include Hildreth Manufacturing LLC. Semco Inc stamps TRACE volume · LAND 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 Semco Inc TRI extract (TRACE · LAND · CLEAN · lead Copper) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Semco Inc totals are self-reported EPCRA §313 estimates for Marion, OH, latest year 2019. NAICS 331529 · Primary Metals. 0.0% of Marion TRI pounds in this extract. Nearest ABS peer: Esco Group LLC (Δ 0 lbs). Pounds ≠ exposure.
Semco Inc stamps TRACE volume · LAND pathway · CLEAN · lead Copper. 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