EPA TRI Facility · Nonmetallic Mineral Product
Harbor Ready Mix
San Carlos, CA · Parent: US Concrete Inc
- Total releases
- 4 lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Harbor Ready Mix: how the 4 lbs splits
4 lbs across all reported pathways
- Air Releases 4 lbs 100.0%
- Land Disposal 0 lbs <0.1%
Harbor Ready Mix's 4 lbs Form-R total is AIR - air releases is 100.0% of the bar. Next segment: land disposal at <0.1%. Leading chemical by pounds: Lead.
TRACE volume AIR pathway CARC-HEAVY
Harbor Ready Mix is an EPA Toxics Release Inventory reporter in San Carlos, CA, in the nonmetallic mineral product sector. It reported 0 lbs of releases across 1 chemical in 2021, and 4 lbs in total across its 2019-2021 reporting years. That ranks 19,095 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. Harbor Ready Mix is pounds #1015 and chemical-count #730 at 4 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: Nxedge San Carlos; Granite Rock Co Redwood City; Harbor Ready Mix - Redwood City; Univar Solutions USA. Similar-scale Nonmetallic Mineral Product peers outside California: Concrete Supply Co - Matthews; Concrete Enterprises; Rustin Ardmore Rmc Plant; Bladensburg Ready Mix Concrete Facility. Other US Concrete Inc sites in this extract: Superior Concrete Materials Inc. - Dulles; Superior Concrete Materials Inc. - Lorton; Central Concrete Supply Co. Inc. - South San Francisco; Central Concrete Supply Co. Inc. - Bode. Largest disclosed chemicals by pounds: Lead; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Compare Harbor Ready Mix with
Nearest reporters in California
- Nxedge San Carlos San Carlos · 20.7K lbs
- Granite Rock Co Redwood City Redwood City · 15 lbs
- Harbor Ready Mix - Redwood City Redwood City · 1 lbs
- Univar Solutions USA Redwood City · 12 lbs
Similar-scale Nonmetallic Mineral Product sites elsewhere: Concrete Supply Co - Matthews (NC) · Concrete Enterprises (KS) · Rustin Ardmore Rmc Plant (OK)
Harbor Ready Mix stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 4 lbs (2019–2021). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Concrete Supply Co - Matthews and Concrete Enterprises.
Harbor Ready Mix vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
4 lbs 27th percentile higher than 27% 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
Harbor Ready Mix in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Harbor Ready Mix reports the 1,294th-largest volume (4 lbs). Scale peers outside California include Concrete Supply Co - Matthews and Concrete Enterprises.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Harbor Ready Mix Form-R facts
Compare this facility
See how Harbor Ready Mix stacks up against nearby facilities and the typical reporter.
100% 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 Harbor Ready Mix releases toxic chemicals into the environment. Total: 4 lbs.
Emissions Trend Summary
From 2019 to 2021, total releases decreased by 98% (1 lbs to 0 lbs).
Harbor Ready Mix: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2021
- 2019 0
- 2020 0
- 2021 0
What this shows Harbor Ready Mix year-over-year reported totals (decreased by 98% from 2019 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: Lead.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1 lbs | 2 |
| 2020 | 3 lbs | 2 |
| 2021 | 0 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2021). 1 of 2 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead | 4 lbs | Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
Harbor Ready Mix · AIR-pathway site
Nearest TRI Facilities to Harbor Ready Mix
Closest other reporters in California - including Nxedge San Carlos, Granite Rock Co Redwood City, Harbor Ready Mix - Redwood City, 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. Concrete Supply Co - Matthews, Concrete Enterprises, Rustin Ardmore Rmc Plant.
Other US Concrete Inc Facilities
Same-parent TRI sites ranked by reported releases - including Superior Concrete Materials Inc. - Dulles, Superior Concrete Materials Inc. - Lorton, Central Concrete Supply Co. Inc. - South San Francisco.
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, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Nxedge San Carlos. Harbor Ready Mix stamps TRACE 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 Harbor Ready Mix TRI extract (TRACE · AIR · CARC-HEAVY · lead Lead) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Harbor Ready Mix totals are self-reported EPCRA §313 estimates for San Carlos, CA, latest year 2021. Form-R rows span 2019–2021 (3 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of San Mateo TRI pounds in this extract. Nearest ABS peer: Gainesville Steel Fabrication Line (Δ 0 lbs). Pounds ≠ exposure.
Harbor Ready Mix stamps TRACE volume · AIR 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