EPA TRI Facility · Nonmetallic Mineral Product
Rialto Plant 24
Rialto, CA · Parent: Mcc Development Corp
- Total releases
- 74 lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
MIXED Form-R mix
Rialto Plant 24: how the 74 lbs splits
74 lbs across all reported pathways
- Air Releases 39 lbs 52.5%
- Land Disposal 35 lbs 47.5%
Rialto Plant 24's 74 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
Rialto Plant 24 is an EPA Toxics Release Inventory reporter in Rialto, CA, in the nonmetallic mineral product sector. It reported 12 lbs of releases across 1 chemical in 2023, and 74 lbs in total across its 2019-2023 reporting years. That ranks 16,859 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. Rialto Plant 24 is pounds #843 and chemical-count #1001 at 74 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: Rialto Concrete Products Inc; Westlake Royal Roofing - Rialto; Lippert Components; American Handforge. Similar-scale Nonmetallic Mineral Product peers outside California: Century Concrete Inc Randolph Facility; Hma Concrete LLC DBA Heritage Concrete Heald Street Facility; Apg East - Anchor & Pennsy Supply; Arcosa Lw Hpb LLC. Other Mcc Development Corp sites in this extract: Hawaiian Rock Products-Guam; Gardena Plant 25; Moreno Valley Plant 2; Sun City Plant 8. Largest disclosed chemicals by pounds: Lead compounds.
Rialto Plant 24 is a TRACE · MIXED-pathway Form-R site in Rialto, CA: 74 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 Century Concrete Inc Randolph Facility and Hma Concrete LLC DBA Heritage Concrete Heald Street Facility.
Rialto Plant 24 vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
74 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
Rialto Plant 24 in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Rialto Plant 24 reports the 933rd-largest volume (74 lbs). Scale peers outside California include Century Concrete Inc Randolph Facility and Hma Concrete LLC DBA Heritage Concrete Heald Street Facility.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Rialto Plant 24 Form-R facts
Compare this facility
See how Rialto Plant 24 stacks up against nearby facilities and the typical reporter.
372.5× more 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 Rialto Plant 24 releases toxic chemicals into the environment. Total: 74 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 29% (17 lbs to 12 lbs).
Rialto Plant 24: 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 Rialto Plant 24 year-over-year reported totals (decreased by 29% 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 | 19 lbs | 1 |
| 2021 | 13 lbs | 1 |
| 2022 | 13 lbs | 1 |
| 2023 | 12 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead compounds | 74 lbs | - |
Rialto Plant 24 in San Bernardino
Nearest TRI Facilities to Rialto Plant 24
Closest other reporters in California - including Rialto Concrete Products Inc, Westlake Royal Roofing - Rialto, Lippert Components, 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. Century Concrete Inc Randolph Facility, Hma Concrete LLC DBA Heritage Concrete Heald Street Facility, Apg East - Anchor & Pennsy Supply.
Other Mcc Development Corp Facilities
Same-parent TRI sites ranked by reported releases - including Hawaiian Rock Products-Guam, Gardena Plant 25, Moreno Valley Plant 2.
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 Rialto Concrete Products Inc. Rialto Plant 24 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 Rialto Plant 24 TRI extract (TRACE · MIXED · CLEAN · lead Lead compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Rialto Plant 24 totals are self-reported EPCRA §313 estimates for Rialto, 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: Century Concrete Inc Randolph Facility (Δ 0 lbs). Pounds ≠ exposure.
Rialto Plant 24 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