EPA TRI Facility · Fabricated Metals
National Manufacturing Co. LLC
Piscataway, NJ
- Total releases
- 31.0K lbs
- Chemicals reported
- 3
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
National Manufacturing Co. LLC: how the 42.1K lbs splits
42.1K lbs across all reported pathways
- Air Releases 42.1K lbs 100.0%
National Manufacturing Co. LLC's 42.1K 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: 1-Bromopropane.
LIGHT volume AIR pathway CARC-HEAVY
National Manufacturing Co. LLC is an EPA Toxics Release Inventory reporter in Piscataway, NJ, in the fabricated metals sector. It reported 11.0K lbs of releases across 3 chemicals in 2024, and 31.0K lbs in total across its 2020-2024 reporting years. That ranks 7,235 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In New Jersey's 327 reporting TRI sites, pounds #1 is not chemical-count #1. National Manufacturing Co. LLC is pounds #82 and chemical-count #117 at 31.0K lbs. Phillips 66 Co-Bayway Refinery leads reported pounds (16.1M lbs) at 39 chemicals (chemical-count #2). US Army Picatinny Arsenal leads chemical count at 42 chemicals (9.0K lbs, pounds #130). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Humanscale Piscataway; Ziegler Chemical & Mineral Corp; Transpackers Services Corp; Ames Advanced Materials Corp. Similar-scale Fabricated Metals peers outside New Jersey: Brunk Industries Inc.; W&w-Afco Steel LLC; Jtekt Bearings N.a. LLC - Dahlonega Ga.; Structural Steel of Carolina. Largest disclosed chemicals by pounds: 1-Bromopropane; Chromium; Nickel.
National Manufacturing Co. LLC stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 31.0K lbs (2020–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Brunk Industries Inc. and W&w-Afco Steel LLC.
National Manufacturing Co. LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
31K lbs Top 28% higher than 72% 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
National Manufacturing Co. LLC: 1-Bromopropane-led volume
Among the 3,421 Fabricated Metals facilities in this database, National Manufacturing Co. LLC reports the 832nd-largest volume, placing it in the top 24.3% of its sector. Its reported volume is concentrated rather than spread: 1-Bromopropane alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside New Jersey include Brunk Industries Inc. and W&w-Afco Steel LLC.
Concentrated means ≥60% of National Manufacturing Co. LLC's pounds in one chemical - here 1-Bromopropane at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- National Manufacturing Co. LLC's total reported releases rose from 10.8 thousand lb in 2022 to 11.2 thousand lb in 2023, based on EPA TRI filings.
- National Manufacturing Co. LLC's air releases rose from 10.8 thousand lb in 2022 to 11.2 thousand lb in 2023, based on EPA TRI filings.
National Manufacturing Co. LLC Form-R facts
Compare this facility
See how National Manufacturing Co. LLC stacks up against nearby facilities and the typical reporter.
1552000.0× 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 National Manufacturing Co. LLC releases toxic chemicals into the environment. Total: 42.1K lbs.
Emissions Trend Summary
National Manufacturing Co. LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2020–2024
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows National Manufacturing Co. LLC year-over-year reported totals. 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: 1-Bromopropane.
| Year | Total | Chemicals |
|---|---|---|
| 2020 | 0 lbs | 2 |
| 2021 | 9.0K lbs | 3 |
| 2022 | 10.8K lbs | 3 |
| 2023 | 11.2K lbs | 3 |
| 2024 | 11.0K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2020–2024). 2 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| 1-Bromopropane | 42.1K lbs | Carcinogen |
| Chromium | 0 lbs | - |
| Nickel | 0 lbs | Carcinogen |
National Manufacturing Co. LLC · AIR-pathway site
Nearest TRI Facilities to National Manufacturing Co. LLC
Closest other reporters in New Jersey - including Humanscale Piscataway, Ziegler Chemical & Mineral Corp, Transpackers Services Corp, ordered by distance.
Showing 8 of 326 other reporting facilities in New Jersey.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside New Jersey - e.g. Brunk Industries Inc., W&w-Afco Steel LLC, Jtekt Bearings N.a. LLC - Dahlonega Ga..
Compare beyond New Jersey
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest National Manufacturing Co. LLC on cumulative reported pounds (31.0K lbs) and distinct chemical count (3). Release-pound peers include Air Products & Chemicals Inc. - Convent Smr, Gehl Foods LLC, Lansing Board of Water & Light-Eckert. 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.
- Air Products & Chemicals Inc. - Convent Smr Convent, LA · Chemicals 31.0K lbs reported
- Gehl Foods LLC Germantown, WI · Food 31.0K lbs reported
- Lansing Board of Water & Light-Eckert Lansing, MI · Electric Utilities 31.0K lbs reported
- Oldcastle Infrastructure Inc Poteau, OK · Plastics and Rubber 31.1K 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 1-Bromopropane, Chromium, Nickel; nearby reporters include Humanscale Piscataway. National Manufacturing Co. LLC 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 National Manufacturing Co. LLC TRI extract (LIGHT · AIR · CARC-HEAVY · lead 1-Bromopropane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
National Manufacturing Co. LLC totals are self-reported EPCRA §313 estimates for Piscataway, NJ, latest year 2023. Form-R rows span 2020–2024 (5 years). NAICS 332119 · Fabricated Metals. 0.2% of Middlesex TRI pounds in this extract. Nearest ABS peer: Air Products & Chemicals Inc. - Convent Smr (Δ 5 lbs). Pounds ≠ exposure.
National Manufacturing Co. LLC stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead 1-Bromopropane. 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