EPA TRI Facility · Computers and Electronic Products
Undersea Systems
Annapolis, MD · Parent: Northrop Grumman Corp
- Total releases
- 167 lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Undersea Systems: how the 167 lbs splits
167 lbs across all reported pathways
- Off-site Transfers 167 lbs 99.9%
- Air Releases 0 lbs 0.1%
Undersea Systems's 167 lbs Form-R total is OFFSITE - off-site transfers is 99.9% of the bar. Next segment: air releases at 0.1%. Leading chemical by pounds: Lead.
TRACE volume OFFSITE pathway CARC-HEAVY
Undersea Systems is an EPA Toxics Release Inventory reporter in Annapolis, MD, in the computers and electronic products sector. It reported 167 lbs of releases across 1 chemical in 2020, and 167 lbs in total across its 2019-2020 reporting years. That ranks 16,038 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maryland's 152 reporting TRI sites, pounds #1 is not chemical-count #1. Undersea Systems is pounds #109 and chemical-count #140 at 167 lbs. Darling Ingredients Inc.- Linkwood Facility leads reported pounds (9.1M lbs) at 4 chemicals (chemical-count #37). Brandon Shores & Wagner Complex leads chemical count at 27 chemicals (560.1K lbs, pounds #9). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: US Dod Nsa Annapolis; Annapolis/bestgate Plant; Brandon Shores & Wagner Complex; Holcim (us) - Sparrows Point. Similar-scale Computers and Electronic Products peers outside Maryland: Teledyne Aes; Southbay Circuits Inc; Circuit Technology Inc; Creation Tchnologies Wheeling. 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: Lead.
Undersea Systems stamps TRACE volume with a dominant OFFSITE pathway (99.9% off-site transfers) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 167 lbs (2019–2020). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Teledyne Aes and Southbay Circuits Inc.
Undersea Systems vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
167 lbs 38th percentile higher than 38% 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
Undersea Systems in the Computers and Electronic Products sector extract
Among the 760 Computers and Electronic Products facilities in this database, Undersea Systems reports the 325th-largest volume (167 lbs). Scale peers outside Maryland include Teledyne Aes and Southbay Circuits Inc.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Undersea Systems Form-R facts
Compare this facility
See how Undersea Systems stacks up against nearby facilities and the typical reporter.
99% less 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 Undersea Systems releases toxic chemicals into the environment. Total: 167 lbs.
Emissions Trend Summary
From 2019 to 2020, total releases increased by 48444% (0 lbs to 167 lbs).
Undersea Systems: annual Form-R pounds
TRACE site · OFFSITE pathway · TRI years 2019–2020
- 2019 0
- 2020 0
What this shows Undersea Systems year-over-year reported totals (increased by 48444% from 2019 to 2020). 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: Lead.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 0 lbs | 1 |
| 2020 | 167 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2020). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead | 167 lbs | Carcinogen |
Undersea Systems · OFFSITE-pathway site
Nearest TRI Facilities to Undersea Systems
Closest other reporters in Maryland - including US Dod Nsa Annapolis, Annapolis/bestgate Plant, Brandon Shores & Wagner Complex, ordered by distance.
Showing 8 of 151 other reporting facilities in Maryland.
Similar Computers and Electronic Products Facilities
Other Computers and Electronic Products facilities with similar total release volumes (±80%), outside Maryland - e.g. Teledyne Aes, Southbay Circuits Inc, Circuit Technology Inc.
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 Lead; nearby reporters include US Dod Nsa Annapolis. Undersea Systems stamps TRACE volume · OFFSITE 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 Undersea Systems TRI extract (TRACE · OFFSITE · CARC-HEAVY · lead Lead) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Undersea Systems totals are self-reported EPCRA §313 estimates for Annapolis, MD, latest year 2020. Form-R rows span 2019–2020 (2 years). NAICS 334511 · Computers and Electronic Products. 0.0% of Anne Arundel TRI pounds in this extract. Nearest ABS peer: Murphy-Brown LLC Bladeboro Feed Mill (Δ 0 lbs). Pounds ≠ exposure.
Undersea Systems stamps TRACE volume · OFFSITE pathway · CARC-HEAVY · lead Lead. 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