EPA TRI Facility · Nonmetallic Mineral Product
Kirby Road Ready Mix Concrete
Clinton, MD · Parent: Holcim Participations (us) Inc
- Total releases
- 545 lbs
- Chemicals reported
- 5
- Latest report
- 2023
- Primary pathway
- Water Discharges
WATER Form-R mix
Kirby Road Ready Mix Concrete: how the 546 lbs splits
546 lbs across all reported pathways
- Water Discharges 542 lbs 99.2%
- Air Releases 4 lbs 0.8%
Kirby Road Ready Mix Concrete's 546 lbs Form-R total is WATER - water discharges is 99.2% of the bar. Next segment: air releases at 0.8%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
TRACE volume WATER pathway CLEAN
Kirby Road Ready Mix Concrete is an EPA Toxics Release Inventory reporter in Clinton, MD, in the nonmetallic mineral product sector. It reported 2 lbs of releases across 3 chemicals in 2024, and 545 lbs in total across its 2019-2024 reporting years. That ranks 14,668 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. Kirby Road Ready Mix Concrete is pounds #93 and chemical-count #32 at 545 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: US Dod Usaf Joint Base Andrews; U.S. Dhs Fletc Cheltenham Md; Seat Pleasant Plant; Maryland & Virginia Milk Producers Cooperative Inc - Land. Similar-scale Nonmetallic Mineral Product peers outside Maryland: Pittsburgh Glass Works Tipton; Harsco Metals - Koppel; Marietta Industrial Enterprise S Inc.; Knife River North Central Bismarck Rock Island. 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Mercury And Mercury Compounds; Mercury compounds; Lead compounds.
Kirby Road Ready Mix Concrete stamps TRACE volume with a dominant WATER pathway (99.2% water discharges) across 5 chemicals. Cumulative Form-R extract: 545 lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Pittsburgh Glass Works Tipton and Harsco Metals - Koppel.
Kirby Road Ready Mix Concrete vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
545 lbs 44th percentile higher than 44% 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
Kirby Road Ready Mix Concrete in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Kirby Road Ready Mix Concrete reports the 702nd-largest volume, placing it in the top 21.5% of its sector. Scale peers outside Maryland include Pittsburgh Glass Works Tipton and Harsco Metals - Koppel.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Kirby Road Ready Mix Concrete Form-R facts
Compare this facility
See how Kirby Road Ready Mix Concrete stacks up against nearby facilities and the typical reporter.
78% less than the comparison
2.5× 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 Kirby Road Ready Mix Concrete releases toxic chemicals into the environment. Total: 546 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 100% (542 lbs to 2 lbs).
Kirby Road Ready Mix Concrete: annual Form-R pounds
TRACE site · WATER pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Kirby Road Ready Mix Concrete year-over-year reported totals (decreased by 100% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 542 lbs | 2 |
| 2020 | 0 lbs | 2 |
| 2021 | 0 lbs | 2 |
| 2022 | 1 lbs | 3 |
| 2023 | 1 lbs | 3 |
| 2024 | 2 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 542 lbs | - |
| Mercury And Mercury Compounds | 3 lbs | - |
| Mercury compounds | 1 lbs | - |
| Lead compounds | 0 lbs | - |
| Lead And Lead Compounds | 0 lbs | - |
Kirby Road Ready Mix Concrete · WATER-pathway site
Nearest TRI Facilities to Kirby Road Ready Mix Concrete
Closest other reporters in Maryland - including US Dod Usaf Joint Base Andrews, U.S. Dhs Fletc Cheltenham Md, Seat Pleasant Plant, 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. Pittsburgh Glass Works Tipton, Harsco Metals - Koppel, Marietta Industrial Enterprise S Inc..
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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Mercury And Mercury Compounds, Mercury compounds, Lead compounds; nearby reporters include US Dod Usaf Joint Base Andrews. Kirby Road 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 Kirby Road 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.
Kirby Road Ready Mix Concrete totals are self-reported EPCRA §313 estimates for Clinton, MD, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 327320 · Nonmetallic Mineral Product. 0.3% of Prince George's TRI pounds in this extract. Nearest ABS peer: Pittsburgh Glass Works Tipton (Δ 0 lbs). Pounds ≠ exposure.
Kirby Road 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