EPA TRI Facility · Fabricated Metals
Master Halco
West Memphis, AR · Parent: Itochu International Inc
- Total releases
- 15.4K lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Master Halco: how the 15.4K lbs splits
15.4K lbs across all reported pathways
- Off-site Transfers 14.6K lbs 95.1%
- Water Discharges 609 lbs 4.0%
- Air Releases 150 lbs 1.0%
Master Halco's 15.4K lbs Form-R total is OFFSITE - off-site transfers is 95.1% of the bar. Next segment: water discharges at 4.0%. Leading chemical by pounds: Zinc compounds.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume OFFSITE pathway TRACE-CARC
Master Halco is an EPA Toxics Release Inventory reporter in West Memphis, AR, in the fabricated metals sector. It reported 3.0K lbs of releases across 2 chemicals in 2023, and 15.4K lbs in total across its 2019-2023 reporting years. That ranks 8,846 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Arkansas's 350 reporting TRI sites, Clean Harbors el Dorado LLC leads both reported pounds (16.6M lbs) and chemical count (251 chemicals). The two rankings do not invert in this pool. Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Tetra Chemicals; Valero Partners West Memphis LLC; Warren Oil Co LLC - West Memphis Ar; Forterra Pipe & Precast - West Memphis. Similar-scale Fabricated Metals peers outside Arkansas: Northern Wire LLC; Pas Technologies (phoenix); Timken Co Gaffney Bearing Plant; Apex Anodizing. Other Itochu International Inc sites in this extract: Master-Halco; US Premier Tube Mills. Largest disclosed chemicals by pounds: Zinc compounds; Lead.
Master Halco stamps LIGHT volume with a dominant OFFSITE pathway (95.1% off-site transfers) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 15.4K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Northern Wire LLC and Pas Technologies (phoenix).
Master Halco vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
15K lbs Top 34% higher than 66% 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
Master Halco: Zinc compounds-led volume
Among the 3,421 Fabricated Metals facilities in this database, Master Halco reports the 1,049th-largest volume (15.4K lbs). Its reported volume is concentrated rather than spread: Zinc compounds alone is 99.1% of the total. Scale peers outside Arkansas include Northern Wire LLC and Pas Technologies (phoenix).
Concentrated means ≥60% of Master Halco's pounds in one chemical - here Zinc compounds at 99.1%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Master Halco's total reported releases fell from 3.9 thousand lb in 2022 to 3.0 thousand lb in 2023, based on EPA TRI filings.
- Master Halco's off-site transfers fell from 3.7 thousand lb in 2022 to 2.9 thousand lb in 2023, based on EPA TRI filings.
Master Halco Form-R facts
Compare this facility
See how Master Halco stacks up against nearby facilities and the typical reporter.
78% less than the comparison
33% 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 Master Halco releases toxic chemicals into the environment. Total: 15.4K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 4456% (66 lbs to 3.0K lbs).
Master Halco: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Master Halco year-over-year reported totals (increased by 4456% 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: Zinc compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 66 lbs | 1 |
| 2020 | 1.2K lbs | 2 |
| 2021 | 7.2K lbs | 2 |
| 2022 | 3.9K lbs | 2 |
| 2023 | 3.0K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 2 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 15.2K lbs | - |
| Lead | 141 lbs | Carcinogen |
Master Halco · OFFSITE-pathway site
Nearest TRI Facilities to Master Halco
Closest other reporters in Arkansas - including Tetra Chemicals, Valero Partners West Memphis LLC, Warren Oil Co LLC - West Memphis Ar, ordered by distance.
Showing 8 of 349 other reporting facilities in Arkansas.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Arkansas - e.g. Northern Wire LLC, Pas Technologies (phoenix), Timken Co Gaffney Bearing Plant.
Compare beyond Arkansas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Master Halco on cumulative reported pounds (15.4K lbs) and distinct chemical count (2). Release-pound peers include Blommer Chocolate Co., Concast Metal Products Co, Hydro Extrusion USA LLC. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Itochu International Inc Facilities
Same-parent TRI sites ranked by reported releases - including Master-Halco, US Premier Tube Mills.
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 Zinc compounds, Lead; nearby reporters include Tetra Chemicals. Master Halco stamps LIGHT volume · OFFSITE pathway · TRACE-CARC 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 Master Halco TRI extract (LIGHT · OFFSITE · TRACE-CARC · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Master Halco totals are self-reported EPCRA §313 estimates for West Memphis, AR, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 332618 · Fabricated Metals. 6.4% of Crittenden TRI pounds in this extract. Nearest ABS peer: Blommer Chocolate Co. (Δ 0 lbs). Pounds ≠ exposure.
Master Halco stamps LIGHT volume · OFFSITE pathway · TRACE-CARC · lead Zinc compounds. 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