EPA TRI Facility · Plastics and Rubber
Inpro Corp
Muskego, WI
- Total releases
- 23.6K lbs
- Chemicals reported
- 3
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Inpro Corp: how the 23.6K lbs splits
23.6K lbs across all reported pathways
- Air Releases 22.7K lbs 95.9%
- Off-site Transfers 962 lbs 4.1%
Inpro Corp's 23.6K lbs Form-R total is AIR - air releases is 95.9% of the bar. Next segment: off-site transfers at 4.1%. Leading chemical by pounds: Styrene.
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 AIR pathway CARC-HEAVY
Inpro Corp is an EPA Toxics Release Inventory reporter in Muskego, WI, in the plastics and rubber sector. It reported 3.7K lbs of releases across 2 chemicals in 2023, and 23.6K lbs in total across its 2019-2023 reporting years. That ranks 7,861 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Wisconsin's 836 reporting TRI sites, pounds #1 is not chemical-count #1. Inpro Corp is pounds #312 and chemical-count #358 at 23.6K lbs. Mullins Cheese Inc leads reported pounds (11.2M lbs) at 3 chemicals (chemical-count #319). Ppg Industries Inc-Oak Creek leads chemical count at 32 chemicals (2.2M lbs, pounds #16). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: A&b Filling; Safety-Kleen Systems Waukesha (wau); Lincoln Industries of Wisconsin; Schawk Milwaukee. Similar-scale Plastics and Rubber peers outside Wisconsin: Al-Co Products Inc.; St Louis Marble Co; May Manufacturing LLC (dba Artesian Spas); Custom Marble Inc. Largest disclosed chemicals by pounds: Styrene; Dichloromethane; Methyl methacrylate.
Inpro Corp stamps LIGHT volume with a dominant AIR pathway (95.9% air releases) across 3 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 23.6K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Al-Co Products Inc. and St Louis Marble Co.
Inpro Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
24K lbs Top 30% higher than 70% 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
Inpro Corp: Styrene-led volume
Among the 1,504 Plastics and Rubber facilities in this database, Inpro Corp reports the 654th-largest volume (23.6K lbs). Its reported volume is concentrated rather than spread: Styrene alone is 68.2% of the total. Carcinogen-classified chemicals make up 96.8% of the reported pounds, not just of the chemical count. Scale peers outside Wisconsin include Al-Co Products Inc. and St Louis Marble Co.
Concentrated means ≥60% of Inpro Corp's pounds in one chemical - here Styrene at 68.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Inpro Corp's total reported releases fell from 4.7 thousand lb in 2022 to 3.7 thousand lb in 2023, based on EPA TRI filings.
- Inpro Corp's air releases fell from 4.7 thousand lb in 2022 to 3.7 thousand lb in 2023, based on EPA TRI filings.
Inpro Corp Form-R facts
Compare this facility
See how Inpro Corp stacks up against nearby facilities and the typical reporter.
1418.8× 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 Inpro Corp releases toxic chemicals into the environment. Total: 23.6K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 44% (6.5K lbs to 3.7K lbs).
Inpro Corp: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Inpro Corp year-over-year reported totals (decreased by 44% 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: Styrene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 6.5K lbs | 3 |
| 2020 | 4.6K lbs | 3 |
| 2021 | 4.2K lbs | 2 |
| 2022 | 4.7K lbs | 2 |
| 2023 | 3.7K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Styrene | 16.1K lbs | Carcinogen |
| Dichloromethane | 6.8K lbs | Carcinogen |
| Methyl methacrylate | 758 lbs | - |
Inpro Corp · AIR-pathway site
Nearest TRI Facilities to Inpro Corp
Closest other reporters in Wisconsin - including A&b Filling, Safety-Kleen Systems Waukesha (wau), Lincoln Industries of Wisconsin, ordered by distance.
Showing 8 of 835 other reporting facilities in Wisconsin.
Similar Plastics and Rubber Facilities
Other Plastics and Rubber facilities with similar total release volumes (±80%), outside Wisconsin - e.g. Al-Co Products Inc., St Louis Marble Co, May Manufacturing LLC (dba Artesian Spas).
Compare beyond Wisconsin
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Inpro Corp on cumulative reported pounds (23.6K lbs) and distinct chemical count (3). Release-pound peers include Cygnet Automated Cleaning LLC, Milamar Coatings LLC, Cytiva. 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.
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 Styrene, Dichloromethane, Methyl methacrylate; nearby reporters include A&b Filling. Inpro Corp stamps LIGHT volume · AIR pathway · CARC-HEAVY 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 Inpro Corp TRI extract (LIGHT · AIR · CARC-HEAVY · lead Styrene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Inpro Corp totals are self-reported EPCRA §313 estimates for Muskego, WI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 326191 · Plastics and Rubber. 1.2% of Waukesha TRI pounds in this extract. Nearest ABS peer: Cygnet Automated Cleaning LLC (Δ 3 lbs). Pounds ≠ exposure.
Inpro Corp stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Styrene. 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