EPA TRI Facility · Nonmetallic Mineral Product
Greenhill Concrete Products Inc.
Owasso, OK · Parent: Sherwood Construction Co Inc
- Total releases
- 276 lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Land Disposal
LAND Form-R mix
Greenhill Concrete Products Inc.: how the 276 lbs splits
276 lbs across all reported pathways
- Land Disposal 276 lbs 99.9%
- Air Releases 0 lbs 0.1%
Greenhill Concrete Products Inc.'s 276 lbs Form-R total is LAND - land disposal is 99.9% of the bar. Next segment: air releases at 0.1%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
TRACE volume LAND pathway CARC-LEAN
Greenhill Concrete Products Inc. is an EPA Toxics Release Inventory reporter in Owasso, OK, in the nonmetallic mineral product sector. It reported 3 lbs of releases across 1 chemical in 2023, and 276 lbs in total across its 2019-2023 reporting years. That ranks 15,454 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Greenhill Concrete Products Inc. is pounds #258 and chemical-count #254 at 276 lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Apac-Central Inc Tulsa Gencor Asphalt 4053; Central Plains Cement Co; Containment Solutions Inc; Greenheck Fan Corp - Ok Campus. Similar-scale Nonmetallic Mineral Product peers outside Oklahoma: Knife River St. Joseph Ready Mix; Concrete Pipe & Precast Llc-Hanover Pipe Plant; Central Iowa Ready Mix; Northwest Pipe Co. Other Sherwood Construction Co Inc sites in this extract: Greenhill Concrete Broken Arrow Batch Plant; Rex Portable Concrete Plant No. 2701; Rex Portable Concrete Plant No. 2701. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Lead.
Greenhill Concrete Products Inc. stamps TRACE volume with a dominant LAND pathway (99.9% land disposal) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 276 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Knife River St. Joseph Ready Mix and Concrete Pipe & Precast Llc-Hanover Pipe Plant.
Greenhill Concrete Products Inc. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
276 lbs 41st percentile higher than 41% 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
Greenhill Concrete Products Inc. in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Greenhill Concrete Products Inc. reports the 783rd-largest volume, placing it in the top 24% of its sector. Scale peers outside Oklahoma include Knife River St. Joseph Ready Mix and Concrete Pipe & Precast Llc-Hanover Pipe Plant.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Greenhill Concrete Products Inc. Form-R facts
Compare this facility
See how Greenhill Concrete Products Inc. stacks up against nearby facilities and the typical reporter.
6.6× more 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 Greenhill Concrete Products Inc. releases toxic chemicals into the environment. Total: 276 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 99% (264 lbs to 3 lbs).
Greenhill Concrete Products Inc.: annual Form-R pounds
TRACE site · LAND pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Greenhill Concrete Products Inc. year-over-year reported totals (decreased by 99% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 264 lbs | 2 |
| 2020 | 3 lbs | 1 |
| 2021 | 3 lbs | 1 |
| 2022 | 3 lbs | 1 |
| 2023 | 3 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 2 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 262 lbs | - |
| Lead | 14 lbs | Carcinogen |
Greenhill Concrete Products Inc. · LAND-pathway site
Nearest TRI Facilities to Greenhill Concrete Products Inc.
Closest other reporters in Oklahoma - including Apac-Central Inc Tulsa Gencor Asphalt 4053, Central Plains Cement Co, Containment Solutions Inc, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Knife River St. Joseph Ready Mix, Concrete Pipe & Precast Llc-Hanover Pipe Plant, Central Iowa Ready Mix.
Other Sherwood Construction Co Inc Facilities
Same-parent TRI sites ranked by reported releases - including Greenhill Concrete Broken Arrow Batch Plant, Rex Portable Concrete Plant No. 2701, Rex Portable Concrete Plant No. 2701.
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), Lead; nearby reporters include Apac-Central Inc Tulsa Gencor Asphalt 4053. Greenhill Concrete Products Inc. stamps TRACE volume · LAND pathway · CARC-LEAN 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 Greenhill Concrete Products Inc. TRI extract (TRACE · LAND · CARC-LEAN · 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.
Greenhill Concrete Products Inc. totals are self-reported EPCRA §313 estimates for Owasso, OK, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of Tulsa TRI pounds in this extract. Nearest ABS peer: American Metal Fibers Inc (Δ 0 lbs). Pounds ≠ exposure.
Greenhill Concrete Products Inc. stamps TRACE volume · LAND pathway · CARC-LEAN · 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