EPA TRI Facility · Nonmetallic Mineral Product
Hanson Aggregates Pacific Southwest Inc.
Oceanside, CA · Parent: Martin Marietta Materials Inc
- Total releases
- 8 lbs
- Chemicals reported
- 3
- Latest report
- 2021
- Primary pathway
- Air Releases
AIR Form-R mix
Hanson Aggregates Pacific Southwest Inc.: how the 8 lbs splits
8 lbs across all reported pathways
- Air Releases 8 lbs 100.0%
Hanson Aggregates Pacific Southwest Inc.'s 8 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 CLEAN
Hanson Aggregates Pacific Southwest Inc. is an EPA Toxics Release Inventory reporter in Oceanside, CA, in the nonmetallic mineral product sector. It reported 8 lbs of releases across 2 chemicals in 2021, and 8 lbs in total across its 2020-2021 reporting years. That ranks 18,656 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. Hanson Aggregates Pacific Southwest Inc. is pounds #984 and chemical-count #503 at 8 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: Hydranautics; Westlake Royal Roofing - Oceanside; Solecta Inc.; US Marine Corps Mcb Camp Pendleton. Similar-scale Nonmetallic Mineral Product peers outside California: Oldcastle Precast Inc; Ready Mix USA Llc-Chattanooga River Plant; Oldcastle Precast Inc; 14122 Abilene 1. 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); Lead And Lead Compounds; Mercury And Mercury Compounds.
Hanson Aggregates Pacific Southwest Inc. stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals. Cumulative Form-R extract: 8 lbs (2020–2021). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Oldcastle Precast Inc and Ready Mix USA Llc-Chattanooga River Plant.
Hanson Aggregates Pacific Southwest Inc. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
8 lbs 28th percentile higher than 28% 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
Hanson Aggregates Pacific Southwest Inc. in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Hanson Aggregates Pacific Southwest Inc. reports the 1,179th-largest volume (8 lbs). Scale peers outside California include Oldcastle Precast Inc and Ready Mix USA Llc-Chattanooga River Plant.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Hanson Aggregates Pacific Southwest Inc. Form-R facts
Compare this facility
See how Hanson Aggregates Pacific Southwest Inc. stacks up against nearby facilities and the typical reporter.
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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 Hanson Aggregates Pacific Southwest Inc. releases toxic chemicals into the environment. Total: 8 lbs.
Emissions Trend Summary
From 2020 to 2021, total releases increased by 20813% (0 lbs to 8 lbs).
Hanson Aggregates Pacific Southwest Inc.: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2020–2021
- 2020 0
- 2021 0
What this shows Hanson Aggregates Pacific Southwest Inc. year-over-year reported totals (increased by 20813% from 2020 to 2021). 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 |
|---|---|---|
| 2020 | 0 lbs | 2 |
| 2021 | 8 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2020–2021). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Aluminum (fume or dust) | 8 lbs | - |
| Lead And Lead Compounds | 0 lbs | - |
| Mercury And Mercury Compounds | 0 lbs | - |
Hanson Aggregates Pacific Southwest Inc. · AIR-pathway site
Nearest TRI Facilities to Hanson Aggregates Pacific Southwest Inc.
Closest other reporters in California - including Hydranautics, Westlake Royal Roofing - Oceanside, Solecta Inc., ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside California - e.g. Oldcastle Precast Inc, Ready Mix USA Llc-Chattanooga River Plant, Oldcastle Precast Inc.
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), Lead And Lead Compounds, Mercury And Mercury Compounds; nearby reporters include Hydranautics. Hanson Aggregates Pacific Southwest Inc. stamps TRACE 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 Hanson Aggregates Pacific Southwest Inc. TRI extract (TRACE · AIR · CLEAN · lead Aluminum (fume or dust)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Hanson Aggregates Pacific Southwest Inc. totals are self-reported EPCRA §313 estimates for Oceanside, CA, latest year 2021. Form-R rows span 2020–2021 (2 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of San Diego TRI pounds in this extract. Nearest ABS peer: Grace Davison East Chicago (Δ 0 lbs). Pounds ≠ exposure.
Hanson Aggregates Pacific Southwest Inc. stamps TRACE volume · AIR pathway · CLEAN · 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