EPA TRI Facility · Chemicals
Nanophase Technologies Corp
Romeoville, IL
- Total releases
- 14.5K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Nanophase Technologies Corp: how the 14.5K lbs splits
14.5K lbs across all reported pathways
- Off-site Transfers 10.1K lbs 69.3%
- Air Releases 4.5K lbs 30.7%
Nanophase Technologies Corp's 14.5K lbs Form-R total is MIXED - off-site transfers is 69.3% of the bar. Next segment: air releases at 30.7%. Leading chemical by pounds: Zinc compounds.
LIGHT volume MIXED pathway CLEAN
Nanophase Technologies Corp is an EPA Toxics Release Inventory reporter in Romeoville, IL, in the chemicals sector. It reported 4.1K lbs of releases across 1 chemical in 2023, and 14.5K lbs in total across its 2019-2023 reporting years. That ranks 8,962 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Illinois's 951 reporting TRI sites, pounds #1 is not chemical-count #1. Nanophase Technologies Corp is pounds #384 and chemical-count #787 at 14.5K lbs. Prairie State Generating Co leads reported pounds (37.9M lbs) at 31 chemicals (chemical-count #8). Veolia N.a. Inc. leads chemical count at 141 chemicals (1.9M lbs, pounds #34). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: G&w Electric Co.; Nanophase Technologies Corp; West Liberty Foods Bolingbrook Il; Cts Advanced Materials. Similar-scale Chemicals peers outside Illinois: Isp Freetown Fine Chemicals Inc; Independence Oilfield Chemicals LLC Pleasanton Tx; Ennis-Flint Inc - High Point Facility; Corden Pharma Colorado Sterling Drive. Largest disclosed chemicals by pounds: Zinc compounds.
Nanophase Technologies Corp is a LIGHT · MIXED-pathway Form-R site in Romeoville, IL: 14.5K lbs across 1 chemical. No single media clears 70% of the bar (lead segment off-site transfers at 69.3%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Isp Freetown Fine Chemicals Inc and Independence Oilfield Chemicals LLC Pleasanton Tx.
Nanophase Technologies Corp 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
Nanophase Technologies Corp: Zinc compounds-led volume
Among the 3,917 Chemicals facilities in this database, Nanophase Technologies Corp reports the 1,885th-largest volume (14.5K lbs). Its reported volume is concentrated rather than spread: Zinc compounds alone is 100% of the total. Scale peers outside Illinois include Isp Freetown Fine Chemicals Inc and Independence Oilfield Chemicals LLC Pleasanton Tx.
Concentrated means ≥60% of Nanophase Technologies Corp's pounds in one chemical - here Zinc compounds at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Nanophase Technologies Corp's total reported releases rose from 2.1 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
- Nanophase Technologies Corp's off-site transfers rose from 1.3 thousand lb in 2022 to 2.6 thousand lb in 2023, based on EPA TRI filings.
- Nanophase Technologies Corp's air releases rose from 818 lb in 2022 to 1.6 thousand lb in 2023, based on EPA TRI filings.
Nanophase Technologies Corp Form-R facts
Compare this facility
See how Nanophase Technologies Corp stacks up against nearby facilities and the typical reporter.
5.7× more than the comparison
83% 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 Nanophase Technologies Corp releases toxic chemicals into the environment. Total: 14.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 151% (1.6K lbs to 4.1K lbs).
Nanophase Technologies Corp: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Nanophase Technologies Corp year-over-year reported totals (increased by 151% 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 | 1.6K lbs | 1 |
| 2020 | 1.7K lbs | 1 |
| 2021 | 5.0K lbs | 1 |
| 2022 | 2.1K lbs | 1 |
| 2023 | 4.1K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 14.5K lbs | - |
Nanophase Technologies Corp in Will
Nearest TRI Facilities to Nanophase Technologies Corp
Closest other reporters in Illinois - including G&w Electric Co., Nanophase Technologies Corp, West Liberty Foods Bolingbrook Il, ordered by distance.
Showing 8 of 950 other reporting facilities in Illinois.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Illinois - e.g. Isp Freetown Fine Chemicals Inc, Independence Oilfield Chemicals LLC Pleasanton Tx, Ennis-Flint Inc - High Point Facility.
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Nanophase Technologies Corp on cumulative reported pounds (14.5K lbs) and distinct chemical count (1). Release-pound peers include Isp Freetown Fine Chemicals Inc, Chrome Deposit Corp, Monogram Aerospace Fasteners. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. 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.
- Isp Freetown Fine Chemicals Inc Assonet, MA · Chemicals 14.6K lbs reported
- Chrome Deposit Corp Portage, IN · Fabricated Metals 14.6K lbs reported
- Monogram Aerospace Fasteners Commerce, CA · Fabricated Metals 14.6K lbs reported
- Hffc Airport Fuel Farm Honolulu, HI · Petroleum Bulk Terminals 14.5K 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; nearby reporters include G&w Electric Co.. Nanophase Technologies Corp stamps LIGHT volume · MIXED 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 Nanophase Technologies Corp TRI extract (LIGHT · MIXED · CLEAN · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Nanophase Technologies Corp totals are self-reported EPCRA §313 estimates for Romeoville, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325180 · Chemicals. 0.1% of Will TRI pounds in this extract. Nearest ABS peer: Isp Freetown Fine Chemicals Inc (Δ 16 lbs). Pounds ≠ exposure.
Nanophase Technologies Corp stamps LIGHT · MIXED pathway (off-site transfers leads at 69.3%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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