EPA TRI Facility · Nonmetallic Mineral Product
Rockville Ready Mix Concrete
Rockville, MD · Parent: Aggregate Industries Management Inc.
- Total releases
- 958 lbs
- Chemicals reported
- 3
- Latest report
- 2020
- Primary pathway
- Water Discharges
WATER Form-R mix
Rockville Ready Mix Concrete: how the 958 lbs splits
958 lbs across all reported pathways
- Water Discharges 956 lbs 99.8%
- Air Releases 2 lbs 0.2%
Rockville Ready Mix Concrete's 958 lbs Form-R total is WATER - water discharges is 99.8% of the bar. Next segment: air releases at 0.2%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
TRACE volume WATER pathway CLEAN
Rockville Ready Mix Concrete is an EPA Toxics Release Inventory reporter in Rockville, MD, in the nonmetallic mineral product sector. It reported 958 lbs of releases across 3 chemicals in 2020, and 958 lbs in total across its 2019-2020 reporting years. That ranks 13,932 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. Rockville Ready Mix Concrete is pounds #78 and chemical-count #61 at 958 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: Lafarge Mid Atlantic LLC -Rockville East Concrete; Schuster Concrete Ready Mix Llc-Southlawn Ln; U.S. Public Health Service National Institutes of Health; Wabtec Railway Electronics. Similar-scale Nonmetallic Mineral Product peers outside Maryland: James Hardie Building Products Reno; Corning Inc; Stonepeak Ceramics Inc.; James Hardie Building Products Cleburne. Other Aggregate Industries Management Inc. sites in this extract: Manassas Broad Run Ready Mix Concrete; Lafarge Mid Atlantic Jessup Rmx; Beltsville Ready Mix Concrete; Lafarge Joppa Concrete Batch Plant. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Mercury compounds; Lead compounds.
Rockville Ready Mix Concrete stamps TRACE volume with a dominant WATER pathway (99.8% water discharges) across 3 chemicals. Cumulative Form-R extract: 958 lbs (2019–2020). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include James Hardie Building Products Reno and Corning Inc.
Rockville Ready Mix Concrete vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
958 lbs 46th percentile higher than 46% 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
Rockville Ready Mix Concrete in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Rockville Ready Mix Concrete reports the 632nd-largest volume, placing it in the top 19.4% of its sector. Scale peers outside Maryland include James Hardie Building Products Reno and Corning Inc.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Rockville Ready Mix Concrete Form-R facts
Compare this facility
See how Rockville Ready Mix Concrete stacks up against nearby facilities and the typical reporter.
1116.4× 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 Rockville Ready Mix Concrete releases toxic chemicals into the environment. Total: 958 lbs.
Emissions Trend Summary
From 2019 to 2020, total releases increased by 5321389% (0 lbs to 958 lbs).
Rockville Ready Mix Concrete: annual Form-R pounds
TRACE site · WATER pathway · TRI years 2019–2020
- 2019 0
- 2020 0
What this shows Rockville Ready Mix Concrete year-over-year reported totals (increased by 5321389% from 2019 to 2020). 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 0 lbs | 2 |
| 2020 | 958 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2020). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 956 lbs | - |
| Mercury compounds | 2 lbs | - |
| Lead compounds | 0 lbs | - |
Rockville Ready Mix Concrete · WATER-pathway site
Nearest TRI Facilities to Rockville Ready Mix Concrete
Closest other reporters in Maryland - including Lafarge Mid Atlantic LLC -Rockville East Concrete, Schuster Concrete Ready Mix Llc-Southlawn Ln, 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. James Hardie Building Products Reno, Corning Inc, Stonepeak Ceramics Inc..
Other Aggregate Industries Management Inc. Facilities
Same-parent TRI sites ranked by reported releases - including Manassas Broad Run Ready Mix Concrete, Lafarge Mid Atlantic Jessup Rmx, Beltsville Ready Mix Concrete.
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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Mercury compounds, Lead compounds; nearby reporters include Lafarge Mid Atlantic LLC -Rockville East Concrete. Rockville Ready Mix Concrete stamps TRACE volume · WATER 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 Rockville Ready Mix Concrete TRI extract (TRACE · WATER · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Rockville Ready Mix Concrete totals are self-reported EPCRA §313 estimates for Rockville, MD, latest year 2020. Form-R rows span 2019–2020 (2 years). NAICS 327320 · Nonmetallic Mineral Product. 5.5% of Montgomery TRI pounds in this extract. Nearest ABS peer: Akzo Nobel Coatings Inc (Δ 0 lbs). Pounds ≠ exposure.
Rockville Ready Mix Concrete stamps TRACE volume · WATER pathway · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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