EPA TRI Facility · Nonmetallic Mineral Product
Lafarge Mid Atlantic LLC -Rockville East Concrete
Rockville, MD · Parent: Holcim Participations (us) Inc
- Total releases
- 1 lbs
- Chemicals reported
- 3
- Latest report
- 2020
- Primary pathway
- Air Releases
AIR Form-R mix
Lafarge Mid Atlantic LLC -Rockville East Concrete: how the 2 lbs splits
2 lbs across all reported pathways
- Air Releases 2 lbs 100.0%
Lafarge Mid Atlantic LLC -Rockville East Concrete's 2 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: Mercury And Mercury Compounds.
TRACE volume AIR pathway CLEAN
Lafarge Mid Atlantic LLC -Rockville East Concrete is an EPA Toxics Release Inventory reporter in Rockville, MD, in the nonmetallic mineral product sector. It reported 1 lbs of releases across 3 chemicals in 2024, and 1 lbs in total across its 2019-2024 reporting years. That ranks 19,875 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maryland's 152 reporting TRI sites, pounds #1 is not chemical-count #1. Lafarge Mid Atlantic LLC -Rockville East Concrete is pounds #130 and chemical-count #73 at 1 lbs. Darling Ingredients Inc.- Linkwood Facility leads reported pounds (9.1M lbs) at 4 chemicals (chemical-count #37). Brandon Shores & Wagner Complex leads chemical count at 27 chemicals (560.1K lbs, pounds #9). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Schuster Concrete Ready Mix Llc-Southlawn Ln; Rockville Ready Mix Concrete; U.S. Public Health Service National Institutes of Health; Wabtec Railway Electronics. Similar-scale Nonmetallic Mineral Product peers outside Maryland: Txi-Rowlett Ready Mix; Txi-Longview West Ready Mix; Tomball Plant; Harsco Minerals - Warren. Other Holcim Participations (us) Inc sites in this extract: Holcim (us) Inc Holly Hill Plant; Holcim (us) Inc; Holcim (us) (including Systech Env. Corp.); Holcim (us) Inc.. Largest disclosed chemicals by pounds: Mercury And Mercury Compounds; Mercury compounds; Lead compounds; Lead And Lead Compounds.
Lafarge Mid Atlantic LLC -Rockville East Concrete stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals. Cumulative Form-R extract: 1 lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Txi-Rowlett Ready Mix and Txi-Longview West Ready Mix.
Lafarge Mid Atlantic LLC -Rockville East Concrete vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1 lbs 24th percentile higher than 24% 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
Lafarge Mid Atlantic LLC -Rockville East Concrete in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Lafarge Mid Atlantic LLC -Rockville East Concrete reports the 1,594th-largest volume (1 lbs). Scale peers outside Maryland include Txi-Rowlett Ready Mix and Txi-Longview West Ready Mix.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Lafarge Mid Atlantic LLC -Rockville East Concrete Form-R facts
Compare this facility
See how Lafarge Mid Atlantic LLC -Rockville East Concrete stacks up against nearby facilities and the typical reporter.
4.9× more than the comparison
25% 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 Lafarge Mid Atlantic LLC -Rockville East Concrete releases toxic chemicals into the environment. Total: 2 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 33% (1 lbs to 1 lbs).
Lafarge Mid Atlantic LLC -Rockville East Concrete: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2024 0
What this shows Lafarge Mid Atlantic LLC -Rockville East Concrete year-over-year reported totals (increased by 33% from 2019 to 2024). 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: Mercury And Mercury Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1 lbs | 3 |
| 2020 | 0 lbs | 1 |
| 2024 | 1 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Mercury And Mercury Compounds | 1 lbs | - |
| Mercury compounds | 1 lbs | - |
| Lead compounds | 0 lbs | - |
| Lead And Lead Compounds | 0 lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
Lafarge Mid Atlantic LLC -Rockville East Concrete · AIR-pathway site
Nearest TRI Facilities to Lafarge Mid Atlantic LLC -Rockville East Concrete
Closest other reporters in Maryland - including Schuster Concrete Ready Mix Llc-Southlawn Ln, Rockville Ready Mix Concrete, U.S. Public Health Service National Institutes of Health, ordered by distance.
Showing 8 of 151 other reporting facilities in Maryland.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Maryland - e.g. Txi-Rowlett Ready Mix, Txi-Longview West Ready Mix, Tomball Plant.
Other Holcim Participations (us) Inc Facilities
Same-parent TRI sites ranked by reported releases - including Holcim (us) Inc Holly Hill Plant, Holcim (us) Inc, Holcim (us) (including Systech Env. Corp.).
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 Mercury And Mercury Compounds, Mercury compounds, Lead compounds, Lead And Lead Compounds; nearby reporters include Schuster Concrete Ready Mix Llc-Southlawn Ln. Lafarge Mid Atlantic LLC -Rockville East Concrete 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 Lafarge Mid Atlantic LLC -Rockville East Concrete TRI extract (TRACE · AIR · CLEAN · lead Mercury And Mercury Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Lafarge Mid Atlantic LLC -Rockville East Concrete totals are self-reported EPCRA §313 estimates for Rockville, MD, latest year 2020. Form-R rows span 2019–2024 (3 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of Montgomery TRI pounds in this extract. Nearest ABS peer: Txi-Rowlett Ready Mix (Δ 0 lbs). Pounds ≠ exposure.
Lafarge Mid Atlantic LLC -Rockville East Concrete stamps TRACE volume · AIR pathway · CLEAN · lead Mercury And Mercury 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