EPA TRI Facility · Fabricated Metals
Triplex Plating Co Inc
Michigan City, IN
- Total releases
- 117.9K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Triplex Plating Co Inc: how the 117.9K lbs splits
117.9K lbs across all reported pathways
- Off-site Transfers 110.7K lbs 93.9%
- Air Releases 7.2K lbs 6.1%
Triplex Plating Co Inc's 117.9K lbs Form-R total is OFFSITE - off-site transfers is 93.9% of the bar. Next segment: air releases at 6.1%. Leading chemical by pounds: Zinc compounds.
MID volume OFFSITE pathway CLEAN
Triplex Plating Co Inc is an EPA Toxics Release Inventory reporter in Michigan City, IN, in the fabricated metals sector. It reported 20.3K lbs of releases across 3 chemicals in 2023, and 117.9K lbs in total across its 2019-2023 reporting years. That ranks 4,246 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Triplex Plating Co Inc is pounds #202 and chemical-count #367 at 117.9K lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Phm Brands LLC; Wm Technologies LLC; Nipsco Michigan City Generating Station; Building Materials Manufacturing LLC. Similar-scale Fabricated Metals peers outside Indiana: Samuel Packaging Systems Group; Pall Corp Pall Trinity Micro Div; Puget Sound Coatings; Rocknel Fastener Inc.. Largest disclosed chemicals by pounds: Zinc compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nitric acid.
Triplex Plating Co Inc stamps MID volume with a dominant OFFSITE pathway (93.9% off-site transfers) across 3 chemicals. Cumulative Form-R extract: 117.9K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Samuel Packaging Systems Group and Pall Corp Pall Trinity Micro Div.
Triplex Plating Co Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
118K lbs Top 16% higher than 84% 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
Triplex Plating Co Inc: Zinc compounds-led volume
Among the 3,421 Fabricated Metals facilities in this database, Triplex Plating Co Inc reports the 399th-largest volume, placing it in the top 11.7% of its sector. Its reported volume is concentrated rather than spread: Zinc compounds alone is 90.7% of the total. Scale peers outside Indiana include Samuel Packaging Systems Group and Pall Corp Pall Trinity Micro Div.
Concentrated means ≥60% of Triplex Plating Co Inc's pounds in one chemical - here Zinc compounds at 90.7%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Triplex Plating Co Inc's total reported releases fell from 28.8 thousand lb in 2022 to 20.3 thousand lb in 2023, based on EPA TRI filings.
- Triplex Plating Co Inc's air releases fell from 1.8 thousand lb in 2022 to 1.0 thousand lb in 2023, based on EPA TRI filings.
- Triplex Plating Co Inc's off-site transfers fell from 27.0 thousand lb in 2022 to 19.3 thousand lb in 2023, based on EPA TRI filings.
Triplex Plating Co Inc Form-R facts
Compare this facility
See how Triplex Plating Co Inc stacks up against nearby facilities and the typical reporter.
63% more than the comparison
3.0× 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 Triplex Plating Co Inc releases toxic chemicals into the environment. Total: 117.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases held roughly flat (20.4K lbs to 20.3K lbs).
Triplex Plating Co Inc: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Triplex Plating Co Inc year-over-year reported totals (held roughly flat 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 | 20.4K lbs | 3 |
| 2020 | 23.4K lbs | 3 |
| 2021 | 25.0K lbs | 3 |
| 2022 | 28.8K lbs | 3 |
| 2023 | 20.3K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 106.9K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 7.5K lbs | - |
| Nitric acid | 3.5K lbs | - |
Triplex Plating Co Inc · OFFSITE-pathway site
Nearest TRI Facilities to Triplex Plating Co Inc
Closest other reporters in Indiana - including Phm Brands LLC, Wm Technologies LLC, Nipsco Michigan City Generating Station, ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Indiana - e.g. Samuel Packaging Systems Group, Pall Corp Pall Trinity Micro Div, Puget Sound Coatings.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Triplex Plating Co Inc on cumulative reported pounds (117.9K lbs) and distinct chemical count (3). Release-pound peers include National Cement Co of California Inc, Prairie Creek Generating Station, West Fraser McDavid Lumber Mill. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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.
- National Cement Co of California Inc Lebec, CA · Nonmetallic Mineral Product 118.0K lbs reported
- Prairie Creek Generating Station Cedar Rapids, IA · Electric Utilities 118.0K lbs reported
- West Fraser McDavid Lumber Mill Mc David, FL · Wood Products 118.0K lbs reported
- Klinger Paint Co Inc Cedar Rapids, IA · Chemicals 118.0K lbs reported
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 Zinc compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid; nearby reporters include Phm Brands LLC. Triplex Plating Co Inc stamps MID 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 Triplex Plating Co Inc TRI extract (MID · OFFSITE · CLEAN · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Triplex Plating Co Inc totals are self-reported EPCRA §313 estimates for Michigan City, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 332813 · Fabricated Metals. 2.8% of Laporte TRI pounds in this extract. Nearest ABS peer: National Cement Co of California Inc (Δ 70 lbs). Pounds ≠ exposure.
Triplex Plating Co Inc stamps MID volume · OFFSITE pathway · CLEAN · 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