EPA TRI Facility · Nonmetallic Mineral Product
Glen-Gery Corp - Rocky Ridge Plant
Rocky Ridge, MD · Parent: Brickworks Building Products Na
- Total releases
- 0 lbs
- Chemicals reported
- 0
- Latest report
- -
- Primary pathway
- -
TRACE volume NONE pathway CLEAN
Glen-Gery Corp - Rocky Ridge Plant is an EPA Toxics Release Inventory reporter in Rocky Ridge, MD, in the nonmetallic mineral product sector. That ranks 21,547 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Heidelberg Materials US Cement LLC; Rinker Materials Hydro Conduit; US Army Fort Detrick; Fil-Tec Inc. Similar-scale Nonmetallic Mineral Product peers outside Maryland: Ready Mix USA LLC - Alabaster Plant; Refractory Sales & Service Co. Inc.; Ready Mix USA Llc-Cullman Plant; Ready Mix USA Llc-North Birmingham Plant. Other Brickworks Building Products Na sites in this extract: Sioux City Brick & Tile Co United Brick & Tile a Div; Sioux City Brick & Tile Co Sergeant Bluff Plant; Glen-Gery Corp - Pittsburgh Plant. Largest disclosed chemicals by pounds: Chromium compounds (except for chromite ore mined in the Transvaal Region); Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Manganese compounds.
Compare Glen-Gery Corp - Rocky Ridge Plant with
Nearest reporters in Maryland
- Heidelberg Materials US Cement LLC Union Bridge · 85.7K lbs
- Rinker Materials Hydro Conduit Frederick · 0 lbs
- US Army Fort Detrick Fort Detrick · 334 lbs
- Fil-Tec Inc Smithsburg · 61.0K lbs
Similar-scale Nonmetallic Mineral Product sites elsewhere: Ready Mix USA LLC - Alabaster Plant (AL) · Refractory Sales & Service Co. Inc. (AL) · Ready Mix USA Llc-Cullman Plant (AL)
Glen-Gery Corp - Rocky Ridge Plant is a TRACE-volume Form-R filer in Rocky Ridge, MD (Nonmetallic Mineral Product): disclosures on file without reported release pounds. Silence on pounds is not a clearance finding. All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ready Mix USA LLC - Alabaster Plant and Refractory Sales & Service Co. Inc..
Glen-Gery Corp - Rocky Ridge Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
0 lbs 0th percentile higher than 0% 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
Glen-Gery Corp - Rocky Ridge Plant: zero-pound Form-R filing
According to the EPA Toxics Release Inventory, Glen-Gery Corp - Rocky Ridge Plant filed Form R disclosures without reporting any release volume, one of 3,265 Nonmetallic Mineral Product facilities in this database. A zero total means nothing was reported under EPCRA Section 313, not that the site was assessed and found clean. Scale peers outside Maryland include Ready Mix USA LLC - Alabaster Plant and Refractory Sales & Service Co. Inc..
Zero-pound filings still appear in the TRI extract; they are not a clearance finding. Compare Heidelberg Materials US Cement LLC before treating silence as clean.
Glen-Gery Corp - Rocky Ridge Plant Form-R facts
Compare this facility
See how Glen-Gery Corp - Rocky Ridge Plant stacks up against nearby facilities and the typical reporter.
100% less than the comparison
100% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
Chemical Releases
Aggregated across all reporting years (2024–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0 lbs | - |
| Manganese compounds | 0 lbs | - |
Glen-Gery Corp - Rocky Ridge Plant in Frederick
Nearest TRI Facilities to Glen-Gery Corp - Rocky Ridge Plant
Closest other reporters in Maryland - including Heidelberg Materials US Cement LLC, Rinker Materials Hydro Conduit, US Army Fort Detrick, ordered by distance.
Showing 8 of 152 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. Ready Mix USA LLC - Alabaster Plant, Refractory Sales & Service Co. Inc., Ready Mix USA Llc-Cullman Plant.
Other Brickworks Building Products Na Facilities
Same-parent TRI sites ranked by reported releases - including Sioux City Brick & Tile Co United Brick & Tile a Div, Sioux City Brick & Tile Co Sergeant Bluff Plant, Glen-Gery Corp - Pittsburgh Plant.
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 Chromium compounds (except for chromite ore mined in the Transvaal Region), Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese compounds; nearby reporters include Heidelberg Materials US Cement LLC. Glen-Gery Corp - Rocky Ridge Plant stamps TRACE volume · NONE 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 Glen-Gery Corp - Rocky Ridge Plant TRI extract (TRACE · NONE · CLEAN · lead Chromium compounds (except for chromite ore mined in the Transvaal Region)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Glen-Gery Corp - Rocky Ridge Plant totals are self-reported EPCRA §313 estimates for Rocky Ridge, MD. NAICS 327120 · Nonmetallic Mineral Product. Pounds ≠ exposure.
Glen-Gery Corp - Rocky Ridge Plant is a TRACE Form-R filer with no reported pounds in this extract. PlainEnviro renders the EPA row as filed - zero pounds is not a clearance finding. Corrections route through the 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