EPA TRI Facility · Petroleum
Martin Marietta San Diego Aggregates LLC - Miramar Hma
San Diego, CA · Parent: Martin Marietta Materials Inc
- Total releases
- 27 lbs
- Chemicals reported
- 7
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Martin Marietta San Diego Aggregates LLC - Miramar Hma: how the 27 lbs splits
27 lbs across all reported pathways
- Air Releases 27 lbs 100.0%
Martin Marietta San Diego Aggregates LLC - Miramar Hma's 27 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: Aluminum (fume or dust).
TRACE volume AIR pathway CARC-LEAN
Martin Marietta San Diego Aggregates LLC - Miramar Hma is an EPA Toxics Release Inventory reporter in San Diego, CA, in the petroleum sector. It reported 1 lbs of releases across 3 chemicals in 2023, and 27 lbs in total across its 2019-2023 reporting years. That ranks 17,731 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. Martin Marietta San Diego Aggregates LLC - Miramar Hma is pounds #913 and chemical-count #156 at 27 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: Hanson Aggregates Pacific Southwest Inc; Quikrete - San Diego Ca Plant; US Marine Corps Air Station Miramar; Caes Systems Llc.. Similar-scale Petroleum peers outside California: Idaho Asphalt Supply Inc Nampa Plant; Hf Sinclair Asphalt Co LLC - Artesia; Flint Hills Resources Pine Bend LLC West Fargo; Pike Industries Inc. - Wells. Other Martin Marietta Materials Inc sites in this extract: Martin Marietta North Texas Cement LLC; Martin Marietta Magnesia Specialties Woodville; Mission Valley Rock; Martin Marietta Arizona LLC - River Ranch Plant. Largest disclosed chemicals by pounds: Aluminum (fume or dust); Polycyclic aromatic compounds; Lead compounds; Lead And Lead Compounds.
Martin Marietta San Diego Aggregates LLC - Miramar Hma stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 7 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 27 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Idaho Asphalt Supply Inc Nampa Plant and Hf Sinclair Asphalt Co LLC - Artesia.
Martin Marietta San Diego Aggregates LLC - Miramar Hma vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
27 lbs 32nd percentile higher than 32% 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
Martin Marietta San Diego Aggregates LLC - Miramar Hma in the Petroleum sector extract
Among the 902 Petroleum facilities in this database, Martin Marietta San Diego Aggregates LLC - Miramar Hma reports the 488th-largest volume (27 lbs). Scale peers outside California include Idaho Asphalt Supply Inc Nampa Plant and Hf Sinclair Asphalt Co LLC - Artesia.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Martin Marietta San Diego Aggregates LLC - Miramar Hma Form-R facts
Compare this facility
See how Martin Marietta San Diego Aggregates LLC - Miramar Hma stacks up against nearby facilities and the typical reporter.
132.8× more than the comparison
3.5× 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 Martin Marietta San Diego Aggregates LLC - Miramar Hma releases toxic chemicals into the environment. Total: 27 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 266% (0 lbs to 1 lbs).
Martin Marietta San Diego Aggregates LLC - Miramar Hma: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Martin Marietta San Diego Aggregates LLC - Miramar Hma year-over-year reported totals (increased by 266% 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: Aluminum (fume or dust).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 0 lbs | 2 |
| 2020 | 0 lbs | 2 |
| 2021 | 24 lbs | 6 |
| 2022 | 1 lbs | 3 |
| 2023 | 1 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Aluminum (fume or dust) | 23 lbs | - |
| Polycyclic aromatic compounds | 2 lbs | Carcinogen |
| Lead compounds | 1 lbs | - |
| Lead And Lead Compounds | 1 lbs | - |
| Benzo[g,h,i]perylene | 0 lbs | - |
| Mercury And Mercury Compounds | 0 lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
Martin Marietta San Diego Aggregates LLC - Miramar Hma · AIR-pathway site
Nearest TRI Facilities to Martin Marietta San Diego Aggregates LLC - Miramar Hma
Closest other reporters in California - including Hanson Aggregates Pacific Southwest Inc, Quikrete - San Diego Ca Plant, US Marine Corps Air Station Miramar, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside California - e.g. Idaho Asphalt Supply Inc Nampa Plant, Hf Sinclair Asphalt Co LLC - Artesia, Flint Hills Resources Pine Bend LLC West Fargo.
Other Martin Marietta Materials Inc Facilities
Same-parent TRI sites ranked by reported releases - including Martin Marietta North Texas Cement LLC, Martin Marietta Magnesia Specialties Woodville, Mission Valley Rock.
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 Aluminum (fume or dust), Polycyclic aromatic compounds, Lead compounds, Lead And Lead Compounds; nearby reporters include Hanson Aggregates Pacific Southwest Inc. Martin Marietta San Diego Aggregates LLC - Miramar Hma stamps TRACE volume · AIR pathway · CARC-LEAN 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 Martin Marietta San Diego Aggregates LLC - Miramar Hma TRI extract (TRACE · AIR · CARC-LEAN · lead Aluminum (fume or dust)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Martin Marietta San Diego Aggregates LLC - Miramar Hma totals are self-reported EPCRA §313 estimates for San Diego, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324121 · Petroleum. 0.0% of San Diego TRI pounds in this extract. Nearest ABS peer: National Institute of Standard&technology Boulder (Δ 0 lbs). Pounds ≠ exposure.
Martin Marietta San Diego Aggregates LLC - Miramar Hma stamps TRACE volume · AIR pathway · CARC-LEAN · lead Aluminum (fume or dust). 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