EPA TRI Facility · Fabricated Metals
Main Steel Polishing Co Inc
Riverside, CA · Parent: Samuel Son & Co Ltd
- Total releases
- 7 lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Main Steel Polishing Co Inc: how the 7 lbs splits
7 lbs across all reported pathways
- Air Releases 7 lbs 100.0%
Main Steel Polishing Co Inc's 7 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: Chromium.
TRACE volume AIR pathway CARC-MID
Main Steel Polishing Co Inc is an EPA Toxics Release Inventory reporter in Riverside, CA, in the fabricated metals sector. It reported 3 lbs of releases across 3 chemicals in 2021, and 7 lbs in total across its 2019-2021 reporting years. That ranks 18,722 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Main Steel Polishing Co Inc is pounds #990 and chemical-count #504 at 7 lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Morgan Truck Body LLC Mca; Carpenter Co; Airgas Specialty Products-Riverside Ca; Qg Printing II LLC. Similar-scale Fabricated Metals peers outside California: Combined Systems Inc; Pitts Oilfield; Insteel Wire Products; Psp Industries - Fulton. Other Samuel Son & Co Ltd sites in this extract: Samuel Packaging Systems Group; Missouri Metals a Div of Samuel Son & Co. (usa) Inc.; Samuel Son & Co (usa) Inc.; Samuel Son & Co (usa) Inc.. Largest disclosed chemicals by pounds: Chromium; Nickel; Manganese.
Compare Main Steel Polishing Co Inc with
Nearest reporters in California
- Morgan Truck Body LLC Mca Riverside · 3 lbs
- Carpenter Co Riverside · 2.6K lbs
- Airgas Specialty Products-Riverside Ca Riverside · 4.7K lbs
- Qg Printing II LLC Riverside · 5.2K lbs
Similar-scale Fabricated Metals sites elsewhere: Combined Systems Inc (PA) · Pitts Oilfield (TX) · Insteel Wire Products (TX)
Main Steel Polishing Co Inc stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 7 lbs (2019–2021). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Combined Systems Inc and Pitts Oilfield.
Main Steel Polishing Co Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
7 lbs 28th percentile higher than 28% 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
Main Steel Polishing Co Inc in the Fabricated Metals sector extract
Among the 3,421 Fabricated Metals facilities in this database, Main Steel Polishing Co Inc reports the 2,560th-largest volume (7 lbs). Scale peers outside California include Combined Systems Inc and Pitts Oilfield.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Main Steel Polishing Co Inc Form-R facts
Compare this facility
See how Main Steel Polishing Co Inc stacks up against nearby facilities and the typical reporter.
2.4× more than the comparison
50% 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 Main Steel Polishing Co Inc releases toxic chemicals into the environment. Total: 7 lbs.
Emissions Trend Summary
From 2019 to 2021, total releases decreased by 9% (3 lbs to 3 lbs).
Main Steel Polishing Co Inc: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2021
- 2019 0
- 2020 0
- 2021 0
What this shows Main Steel Polishing Co Inc year-over-year reported totals (decreased by 9% 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: Chromium.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 3 lbs | 3 |
| 2020 | 2 lbs | 3 |
| 2021 | 3 lbs | 3 |
Main Steel Polishing Co Inc · AIR-pathway site
Nearest TRI Facilities to Main Steel Polishing Co Inc
Closest other reporters in California - including Morgan Truck Body LLC Mca, Carpenter Co, Airgas Specialty Products-Riverside Ca, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside California - e.g. Combined Systems Inc, Pitts Oilfield, Insteel Wire Products.
Other Samuel Son & Co Ltd Facilities
Same-parent TRI sites ranked by reported releases - including Samuel Packaging Systems Group, Missouri Metals a Div of Samuel Son & Co. (usa) Inc., Samuel Son & Co (usa) Inc..
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 Chromium, Nickel, Manganese; nearby reporters include Morgan Truck Body LLC Mca. Main Steel Polishing Co Inc stamps TRACE volume · AIR pathway · CARC-MID 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 Main Steel Polishing Co Inc TRI extract (TRACE · AIR · CARC-MID · lead Chromium) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Main Steel Polishing Co Inc totals are self-reported EPCRA §313 estimates for Riverside, CA, latest year 2021. Form-R rows span 2019–2021 (3 years). NAICS 332813 · Fabricated Metals. 0.0% of Riverside TRI pounds in this extract. Nearest ABS peer: Hydro Extrusion USA LLC (Δ 0 lbs). Pounds ≠ exposure.
Main Steel Polishing Co Inc stamps TRACE volume · AIR pathway · CARC-MID · lead Chromium. 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