EPA TRI Facility · Nonmetallic Mineral Product
National Ready Mix Concrete Co.
Los Angeles, CA · Parent: National Cement
- Total releases
- 220 lbs
- Chemicals reported
- 4
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
National Ready Mix Concrete Co.: how the 220 lbs splits
220 lbs across all reported pathways
- Off-site Transfers 219 lbs 99.7%
- Air Releases 1 lbs 0.3%
National Ready Mix Concrete Co.'s 220 lbs Form-R total is OFFSITE - off-site transfers is 99.7% of the bar. Next segment: air releases at 0.3%. Leading chemical by pounds: Lead compounds.
TRACE volume OFFSITE pathway CLEAN
National Ready Mix Concrete Co. is an EPA Toxics Release Inventory reporter in Los Angeles, CA, in the nonmetallic mineral product sector. It reported 41 lbs of releases across 2 chemicals in 2023, and 220 lbs in total across its 2019-2023 reporting years. That ranks 15,764 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. National Ready Mix Concrete Co. is pounds #788 and chemical-count #343 at 220 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). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: P Kay Metal Inc; Holliday Rock Co - Vernon; Industrial Service Oil Co; Exxonmobil Oil Corp Vernon Terminal. Similar-scale Nonmetallic Mineral Product peers outside California: Central Iowa Ready Mix Red Oak; Boston Sand & Gravel - Charlestown Plant & Garage; Basalite; Harrisburg Ps. Other National Cement sites in this extract: National Cement Co of California Inc; National Cement Co. of Alabama Inc.; National Ready Mix Concrete Co .; National Ready Mix Concrete Co .. Largest disclosed chemicals by pounds: Lead compounds; Lead And Lead Compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Certain glycol ethers.
National Ready Mix Concrete Co. stamps TRACE volume with a dominant OFFSITE pathway (99.7% off-site transfers) across 4 chemicals. Cumulative Form-R extract: 220 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Central Iowa Ready Mix Red Oak and Boston Sand & Gravel - Charlestown Plant & Garage.
National Ready Mix Concrete Co. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
220 lbs 39th percentile higher than 39% 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
National Ready Mix Concrete Co. in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, National Ready Mix Concrete Co. reports the 816th-largest volume, placing it in the top 25% of its sector. Scale peers outside California include Central Iowa Ready Mix Red Oak and Boston Sand & Gravel - Charlestown Plant & Garage.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- National Ready Mix Concrete Co.'s total reported releases fell from 52 lb in 2022 to 41 lb in 2023, based on EPA TRI filings.
- National Ready Mix Concrete Co.'s chemicals reported fell from 3 in 2022 to 2 in 2023, based on EPA TRI filings.
- National Ready Mix Concrete Co.'s off-site transfers fell from 52 lb in 2022 to 41 lb in 2023, based on EPA TRI filings.
National Ready Mix Concrete Co. Form-R facts
Compare this facility
See how National Ready Mix Concrete Co. stacks up against nearby facilities and the typical reporter.
439.6× more than the comparison
4.0× 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 National Ready Mix Concrete Co. releases toxic chemicals into the environment. Total: 220 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 193% (14 lbs to 41 lbs).
National Ready Mix Concrete Co.: annual Form-R pounds
TRACE site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows National Ready Mix Concrete Co. year-over-year reported totals (increased by 193% 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: Lead compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 14 lbs | 3 |
| 2020 | 55 lbs | 2 |
| 2021 | 57 lbs | 3 |
| 2022 | 52 lbs | 3 |
| 2023 | 41 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead compounds | 163 lbs | - |
| Lead And Lead Compounds | 57 lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
| Certain glycol ethers | 0 lbs | - |
National Ready Mix Concrete Co. · OFFSITE-pathway site
Nearest TRI Facilities to National Ready Mix Concrete Co.
Closest other reporters in California - including P Kay Metal Inc, Holliday Rock Co - Vernon, Industrial Service Oil Co, 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. Central Iowa Ready Mix Red Oak, Boston Sand & Gravel - Charlestown Plant & Garage, Basalite.
Other National Cement Facilities
Same-parent TRI sites ranked by reported releases - including National Cement Co of California Inc, National Cement Co. of Alabama Inc., National Ready Mix Concrete Co ..
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 compounds, Lead And Lead Compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Certain glycol ethers; nearby reporters include P Kay Metal Inc. National Ready Mix Concrete Co. stamps TRACE volume · OFFSITE 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 National Ready Mix Concrete Co. TRI extract (TRACE · OFFSITE · CLEAN · lead Lead compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
National Ready Mix Concrete Co. totals are self-reported EPCRA §313 estimates for Los Angeles, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of Los Angeles TRI pounds in this extract. Nearest ABS peer: The Vollrath Co. LLC (Δ 0 lbs). Pounds ≠ exposure.
National Ready Mix Concrete Co. stamps TRACE volume · OFFSITE pathway · CLEAN · lead Lead compounds. 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