EPA TRI Facility · Nonmetallic Mineral Product
Robertson's Ready Mix Fontana Plant 4
Fontana, CA
- Total releases
- 75 lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
MIXED Form-R mix
Robertson's Ready Mix Fontana Plant 4: how the 75 lbs splits
75 lbs across all reported pathways
- Air Releases 39 lbs 52.5%
- Land Disposal 35 lbs 47.5%
Robertson's Ready Mix Fontana Plant 4's 75 lbs Form-R total is MIXED - air releases is 52.5% of the bar. Next segment: land disposal at 47.5%. Leading chemical by pounds: Lead compounds.
TRACE volume MIXED pathway CLEAN
Robertson's Ready Mix Fontana Plant 4 is an EPA Toxics Release Inventory reporter in Fontana, CA, in the nonmetallic mineral product sector. It reported 13 lbs of releases across 1 chemical in 2023, and 75 lbs in total across its 2019-2023 reporting years. That ranks 16,846 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. Robertson's Ready Mix Fontana Plant 4 is pounds #842 and chemical-count #1000 at 75 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: Fontana Paper Mills Inc.; Cemex Fontana Plant; California Steel Industries Inc.; Kemira Water Solutions Inc. Similar-scale Nonmetallic Mineral Product peers outside California: Hma Concrete LLC DBA Heritage Concrete Heald Street Facility; Arcosa Lw Hpb LLC; Century Concrete Inc Randolph Facility; Gold Bond Building Products - National City. Largest disclosed chemicals by pounds: Lead compounds.
Robertson's Ready Mix Fontana Plant 4 is a TRACE · MIXED-pathway Form-R site in Fontana, CA: 75 lbs across 1 chemical. No single media clears 70% of the bar (lead segment air releases at 52.5%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hma Concrete LLC DBA Heritage Concrete Heald Street Facility and Arcosa Lw Hpb LLC.
Robertson's Ready Mix Fontana Plant 4 vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
75 lbs 35th percentile higher than 35% 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
Robertson's Ready Mix Fontana Plant 4 in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Robertson's Ready Mix Fontana Plant 4 reports the 930th-largest volume (75 lbs). Scale peers outside California include Hma Concrete LLC DBA Heritage Concrete Heald Street Facility and Arcosa Lw Hpb LLC.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Robertson's Ready Mix Fontana Plant 4 Form-R facts
Compare this facility
See how Robertson's Ready Mix Fontana Plant 4 stacks up against nearby facilities and the typical reporter.
68% less than the comparison
50% less 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 Robertson's Ready Mix Fontana Plant 4 releases toxic chemicals into the environment. Total: 75 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 22% (17 lbs to 13 lbs).
Robertson's Ready Mix Fontana Plant 4: annual Form-R pounds
TRACE site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Robertson's Ready Mix Fontana Plant 4 year-over-year reported totals (decreased by 22% 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 | 17 lbs | 1 |
| 2020 | 16 lbs | 1 |
| 2021 | 14 lbs | 1 |
| 2022 | 14 lbs | 1 |
| 2023 | 13 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead compounds | 75 lbs | - |
Robertson's Ready Mix Fontana Plant 4 in San Bernardino
Nearest TRI Facilities to Robertson's Ready Mix Fontana Plant 4
Closest other reporters in California - including Fontana Paper Mills Inc., Cemex Fontana Plant, California Steel Industries 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. Hma Concrete LLC DBA Heritage Concrete Heald Street Facility, Arcosa Lw Hpb LLC, Century Concrete Inc Randolph Facility.
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; nearby reporters include Fontana Paper Mills Inc.. Robertson's Ready Mix Fontana Plant 4 stamps TRACE volume · MIXED 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 Robertson's Ready Mix Fontana Plant 4 TRI extract (TRACE · MIXED · CLEAN · lead Lead compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Robertson's Ready Mix Fontana Plant 4 totals are self-reported EPCRA §313 estimates for Fontana, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of San Bernardino TRI pounds in this extract. Nearest ABS peer: Thermal Fluids Inc. - Clackamas (Δ 0 lbs). Pounds ≠ exposure.
Robertson's Ready Mix Fontana Plant 4 stamps TRACE · MIXED pathway (air releases leads at 52.5%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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