EPA TRI Facility · Transportation Equipment
Northrop Grumman el Segundo
El Segundo, CA · Parent: Northrop Grumman Corp
- Total releases
- 18.0K lbs
- Chemicals reported
- 1
- Latest report
- 2022
- Primary pathway
- Air Releases
AIR Form-R mix
Northrop Grumman el Segundo: how the 18.0K lbs splits
18.0K lbs across all reported pathways
- Air Releases 18.0K lbs 100.0%
Northrop Grumman el Segundo's 18.0K 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: sec-Butyl alcohol.
LIGHT volume AIR pathway CLEAN
Northrop Grumman el Segundo is an EPA Toxics Release Inventory reporter in El Segundo, CA, in the transportation equipment sector. It reported 7.1K lbs of releases across 1 chemical in 2022, and 18.0K lbs in total across its 2020-2022 reporting years. That ranks 8,472 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Northrop Grumman el Segundo is pounds #320 and chemical-count #841 at 18.0K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Raytheon Space & Airborne Systems; The Boeing Co; Tri-Star Electronics Int'l Inc; Northrop Grumman Systems Corporation. Similar-scale Transportation Equipment peers outside California: Windsor Machine & Stamping (us) Ltd; Marelli Tennessee USA Llc.; Lockheed Martin Mfc - Orlando; Yorozu Automotive Tennessee. Other Northrop Grumman Corp sites in this extract: Northrop Grumman Systems Corp - Promontory; Northrop Grumman Systems Corp (new River Energetics); Allegany Ballistics Lab (nirop); Northrop Grumman Systems Corp - Bacchus. Largest disclosed chemicals by pounds: sec-Butyl alcohol.
Northrop Grumman el Segundo stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 1 chemical. Cumulative Form-R extract: 18.0K lbs (2020–2022). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Windsor Machine & Stamping (us) Ltd and Marelli Tennessee USA Llc..
Northrop Grumman el Segundo vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
18K lbs Top 33% higher than 67% 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
Northrop Grumman el Segundo: sec-Butyl alcohol-led volume
Among the 1,603 Transportation Equipment facilities in this database, Northrop Grumman el Segundo reports the 549th-largest volume (18.0K lbs). Its reported volume is concentrated rather than spread: sec-Butyl alcohol alone is 100% of the total. Scale peers outside California include Windsor Machine & Stamping (us) Ltd and Marelli Tennessee USA Llc..
Concentrated means ≥60% of Northrop Grumman el Segundo's pounds in one chemical - here sec-Butyl alcohol at 100%. Not a toxicity score.
Northrop Grumman el Segundo Form-R facts
Compare this facility
See how Northrop Grumman el Segundo stacks up against nearby facilities and the typical reporter.
449364.3× more than the comparison
About the same as 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 Northrop Grumman el Segundo releases toxic chemicals into the environment. Total: 18.0K lbs.
Emissions Trend Summary
From 2020 to 2022, total releases decreased by 36% (10.9K lbs to 7.1K lbs).
Northrop Grumman el Segundo: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2020–2022
- 2020 0
- 2022 0
What this shows Northrop Grumman el Segundo year-over-year reported totals (decreased by 36% from 2020 to 2022). 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: sec-Butyl alcohol.
| Year | Total | Chemicals |
|---|---|---|
| 2020 | 10.9K lbs | 1 |
| 2022 | 7.1K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2020–2022). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| sec-Butyl alcohol | 18.0K lbs | - |
Northrop Grumman el Segundo · AIR-pathway site
Nearest TRI Facilities to Northrop Grumman el Segundo
Closest other reporters in California - including Raytheon Space & Airborne Systems, The Boeing Co, Tri-Star Electronics Int'l Inc, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside California - e.g. Windsor Machine & Stamping (us) Ltd, Marelli Tennessee USA Llc., Lockheed Martin Mfc - Orlando.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Northrop Grumman el Segundo on cumulative reported pounds (18.0K lbs) and distinct chemical count (1). Release-pound peers include Yokohama Tire Manufacturing Virginia LLC, Manchester Street Llc., Southern Chemical & Textiles Inc. 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.
- Yokohama Tire Manufacturing Virginia LLC Salem, VA · Plastics and Rubber 18.0K lbs reported
- Manchester Street Llc. Providence, RI · Electric Utilities 18.0K lbs reported
- Southern Chemical & Textiles Inc Dalton, GA · Chemicals 18.0K lbs reported
- Songwon International Americas Inc. - la Porte La Porte, TX · Chemicals 18.0K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Northrop Grumman Corp Facilities
Same-parent TRI sites ranked by reported releases - including Northrop Grumman Systems Corp - Promontory, Northrop Grumman Systems Corp (new River Energetics), Allegany Ballistics Lab (nirop).
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 sec-Butyl alcohol; nearby reporters include Raytheon Space & Airborne Systems. Northrop Grumman el Segundo stamps LIGHT volume · AIR 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 Northrop Grumman el Segundo TRI extract (LIGHT · AIR · CLEAN · lead sec-Butyl alcohol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Northrop Grumman el Segundo totals are self-reported EPCRA §313 estimates for El Segundo, CA, latest year 2022. Form-R rows span 2020–2022 (2 years). NAICS 336411 · Transportation Equipment. 0.0% of Los Angeles TRI pounds in this extract. Nearest ABS peer: Yokohama Tire Manufacturing Virginia LLC (Δ 18 lbs). Pounds ≠ exposure.
Northrop Grumman el Segundo stamps LIGHT volume · AIR pathway · CLEAN · lead sec-Butyl alcohol. 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