EPA TRI Facility · Nonmetallic Mineral Product

Cemex Construction Materials South LLC

Longmont, CO · Parent: Cemex Inc

Total releases
21.1K lbs
Chemicals reported
7
Latest report
2023
Primary pathway
Air Releases

AIR Form-R mix

Cemex Construction Materials South LLC: how the 21.1K lbs splits

21.1K lbs across all reported pathways

  • Air Releases 17.5K lbs 83.1%
  • Land Disposal 3.5K lbs 16.9%
  • Water Discharges 0 lbs <0.1%

Cemex Construction Materials South LLC's 21.1K lbs Form-R total is AIR - air releases is 83.1% of the bar. Next segment: land disposal at 16.9%. Leading chemical by pounds: Ammonia.

LIGHT volume AIR pathway CLEAN

Cemex Construction Materials South LLC is an EPA Toxics Release Inventory reporter in Longmont, CO, in the nonmetallic mineral product sector. It reported 4.1K lbs of releases across 4 chemicals in 2023, and 21.1K lbs in total across its 2019-2023 reporting years. That ranks 8,121 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Colorado's 277 reporting TRI sites, pounds #1 is not chemical-count #1. Cemex Construction Materials South LLC is pounds #78 and chemical-count #48 at 21.1K lbs. Cripple Creek & Victor Gold Mining Co leads reported pounds (22.9M lbs) at 12 chemicals (chemical-count #13). Suncor Energy Commerce City Refinery leads chemical count at 33 chemicals (460.2K lbs, pounds #24). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Matheson Trigas Longmont Co Branch; Circle Graphics Inc; Western Foundries Inc; Lexmark International Inc. Similar-scale Nonmetallic Mineral Product peers outside Colorado: Fuyao Glass Illinois Inc; Brickcraft Inc; Signal Mountain Cement Co DBA Buzzi Unicem USA; Johns Manville. Other Cemex Inc sites in this extract: Cemex Southeast LLC - Demopolis Plant; Cemex Construction Materials Atlantic LLC; Cemex Construction Materials South LLC - Balcones Plant; Cemex Constr Materials Fl LLC. Largest disclosed chemicals by pounds: Ammonia; Chromium compounds (except for chromite ore mined in the Transvaal Region); Lead And Lead Compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region).

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Cemex Construction Materials South LLC stamps LIGHT volume with a dominant AIR pathway (83.1% air releases) across 7 chemicals. Cumulative Form-R extract: 21.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Fuyao Glass Illinois Inc and Brickcraft Inc.

#8,121 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Cemex Construction Materials South LLC vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

21K lbs Top 31% higher than 69% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Cemex Construction Materials South LLC: Ammonia-led volume

Among the 3,265 Nonmetallic Mineral Product facilities in this database, Cemex Construction Materials South LLC reports the 302nd-largest volume, placing it in the top 9.2% of its sector. Its reported volume is concentrated rather than spread: Ammonia alone is 81.4% of the total. Scale peers outside Colorado include Fuyao Glass Illinois Inc and Brickcraft Inc.

Concentrated means ≥60% of Cemex Construction Materials South LLC's pounds in one chemical - here Ammonia at 81.4%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Cemex Construction Materials South LLC's total reported releases rose from 4.0 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
  • Cemex Construction Materials South LLC's land releases rose from 317 lb in 2022 to 846 lb in 2023, based on EPA TRI filings.
  • Cemex Construction Materials South LLC's air releases fell from 3.7 thousand lb in 2022 to 3.2 thousand lb in 2023, based on EPA TRI filings.

Cemex Construction Materials South LLC Form-R facts

Sector
Nonmetallic Mineral Product
LIGHT volume
21.1K lbs
AIR pathway
Air Releases
CLEAN chem count
7
Lead chemical
Ammonia

Compare this facility

See how Cemex Construction Materials South LLC stacks up against nearby facilities and the typical reporter.

Total reported releases
Cemex Construction Materials South LLC
21.1K lbs
Matheson Trigas Longmont Co Branch
8 lbs

2638.7× more than the comparison

Chemicals reported
Cemex Construction Materials South LLC
7
Matheson Trigas Longmont Co Branch
1

7.0× 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 Cemex Construction Materials South LLC releases toxic chemicals into the environment. Total: 21.1K lbs.

Air Releases 17.5K lbs (83.1%)
Land Disposal 3.5K lbs (16.9%)
Water Discharges 0 lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 13% (3.6K lbs to 4.1K lbs).

Cemex Construction Materials South LLC: annual Form-R pounds

LIGHT site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Cemex Construction Materials South LLC year-over-year reported totals (increased by 13% 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: Ammonia.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 3.6K lbs 4
2020 5.0K lbs 4
2021 4.4K lbs 4
2022 4.0K lbs 4
2023 4.1K lbs 4

Chemical Releases

Aggregated across all reporting years (2019–2023). Sorted by total release volume.

Chemical Total Flags
Ammonia 17.1K lbs -
Chromium compounds (except for chromite ore mined in the Transvaal Region) 1.8K lbs -
Lead And Lead Compounds 892 lbs -
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 748 lbs -
Lead compounds 316 lbs -
Mercury compounds 112 lbs -
Mercury And Mercury Compounds 48 lbs -

Cemex Construction Materials South LLC · AIR-pathway site

Longmont, CO
40.2106, -105.2337
County TRI context
Boulder · 4.8% of county pounds
Parent company
Cemex Inc

Compare beyond Colorado

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Cemex Construction Materials South LLC on cumulative reported pounds (21.1K lbs) and distinct chemical count (7). Release-pound peers include Chem-Tech Finishers Inc, Multi-Chem Group Dilley Tx Facility, Federal Correctional Complex Terre Haute. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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 Ammonia, Chromium compounds (except for chromite ore mined in the Transvaal Region), Lead And Lead Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); nearby reporters include Matheson Trigas Longmont Co Branch. Cemex Construction Materials South LLC stamps LIGHT 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 Cemex Construction Materials South LLC TRI extract (LIGHT · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Cemex Construction Materials South LLC totals are self-reported EPCRA §313 estimates for Longmont, CO, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327310 · Nonmetallic Mineral Product. 4.8% of Boulder TRI pounds in this extract. Nearest ABS peer: Chem-Tech Finishers Inc (Δ 0 lbs). Pounds ≠ exposure.

Cemex Construction Materials South LLC stamps LIGHT volume · AIR pathway · CLEAN · lead Ammonia. 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