EPA TRI Facility · Nonmetallic Mineral Product
National Cement Co of California Inc
Lebec, CA · Parent: National Cement
- Total releases
- 118.0K lbs
- Chemicals reported
- 8
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
National Cement Co of California Inc: how the 118.0K lbs splits
118.0K lbs across all reported pathways
- Air Releases 116.8K lbs 99.0%
- Water Discharges 936 lbs 0.8%
- Off-site Transfers 294 lbs 0.2%
- Land Disposal 0 lbs <0.1%
National Cement Co of California Inc's 118.0K lbs Form-R total is AIR - air releases is 99.0% of the bar. Next segment: water discharges at 0.8%. Leading chemical by pounds: Ammonia.
MID volume AIR pathway CLEAN
National Cement Co of California Inc is an EPA Toxics Release Inventory reporter in Lebec, CA, in the nonmetallic mineral product sector. It reported 22.5K lbs of releases across 6 chemicals in 2023, and 118.0K lbs in total across its 2019-2023 reporting years. That ranks 4,245 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. National Cement Co of California Inc is pounds #130 and chemical-count #107 at 118.0K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Arcosa Lightweight Frazier Park Plant; Taft Manufacturing LLC; Kern Energy; Remo Inc. Similar-scale Nonmetallic Mineral Product peers outside California: Carmeuse Lime Inc Grand River Operations; Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant; Owens Corning-Fort Smith; Ardagh Glass Inc. Other National Cement sites in this extract: National Cement Co. of Alabama Inc.; National Ready Mix Concrete Co.; National Ready Mix Concrete Co .; National Ready Mix Concrete Co .. Largest disclosed chemicals by pounds: Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Chromium; Lead And Lead Compounds.
Compare National Cement Co of California Inc with
Nearest reporters in California
- Arcosa Lightweight Frazier Park Plant Frazier Park · 2 lbs
- Taft Manufacturing LLC Taft · 257 lbs
- Kern Energy Bakersfield · 43.4K lbs
- Remo Inc Valencia · 52 lbs
Similar-scale Nonmetallic Mineral Product sites elsewhere: Carmeuse Lime Inc Grand River Operations (OH) · Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant (OK) · Owens Corning-Fort Smith (AR)
National Cement Co of California Inc stamps MID volume with a dominant AIR pathway (99.0% air releases) across 8 chemicals. Cumulative Form-R extract: 118.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Carmeuse Lime Inc Grand River Operations and Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant.
National Cement Co of California Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
118K lbs Top 16% higher than 84% 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
National Cement Co of California Inc: Ammonia-led volume
Among the 3,265 Nonmetallic Mineral Product facilities in this database, National Cement Co of California Inc reports the 167th-largest volume, placing it in the top 5.1% of its sector. Its reported volume is concentrated rather than spread: Ammonia alone is 81.2% of the total. Scale peers outside California include Carmeuse Lime Inc Grand River Operations and Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant.
Concentrated means ≥60% of National Cement Co of California Inc's pounds in one chemical - here Ammonia at 81.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- National Cement Co of California Inc's total reported releases fell from 25.4 thousand lb in 2022 to 22.5 thousand lb in 2023, based on EPA TRI filings.
- National Cement Co of California Inc's water releases fell from 483 lb in 2022 to 257 lb in 2023, based on EPA TRI filings.
- National Cement Co of California Inc's air releases fell from 24.7 thousand lb in 2022 to 22.1 thousand lb in 2023, based on EPA TRI filings.
- National Cement Co of California Inc's off-site transfers rose from 140 lb in 2022 to 154 lb in 2023, based on EPA TRI filings.
National Cement Co of California Inc Form-R facts
Compare this facility
See how National Cement Co of California Inc stacks up against nearby facilities and the typical reporter.
49806.3× more than the comparison
4.0× 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 National Cement Co of California Inc releases toxic chemicals into the environment. Total: 118.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 4% (21.6K lbs to 22.5K lbs).
National Cement Co of California Inc: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows National Cement Co of California Inc year-over-year reported totals (increased by 4% 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.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 21.6K lbs | 6 |
| 2020 | 22.4K lbs | 6 |
| 2021 | 26.1K lbs | 6 |
| 2022 | 25.4K lbs | 6 |
| 2023 | 22.5K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 95.8K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 20.3K lbs | - |
| Chromium | 963 lbs | - |
| Lead And Lead Compounds | 469 lbs | - |
| Lead compounds | 245 lbs | - |
| Mercury And Mercury Compounds | 184 lbs | - |
| Mercury compounds | 56 lbs | - |
| Diethanolamine | 0 lbs | - |
National Cement Co of California Inc · AIR-pathway site
Nearest TRI Facilities to National Cement Co of California Inc
Closest other reporters in California - including Arcosa Lightweight Frazier Park Plant, Taft Manufacturing LLC, Kern Energy, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside California - e.g. Carmeuse Lime Inc Grand River Operations, Lone Star Ind. Inc. DBA Buzzi Unicem USA Pryor Cement Plant, Owens Corning-Fort Smith.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest National Cement Co of California Inc on cumulative reported pounds (118.0K lbs) and distinct chemical count (8). Release-pound peers include Prairie Creek Generating Station, West Fraser McDavid Lumber Mill, Klinger Paint Co Inc. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Prairie Creek Generating Station Cedar Rapids, IA · Electric Utilities 118.0K lbs reported
- West Fraser McDavid Lumber Mill Mc David, FL · Wood Products 118.0K lbs reported
- Klinger Paint Co Inc Cedar Rapids, IA · Chemicals 118.0K lbs reported
- Samuel Packaging Systems Group Heath, OH · Fabricated Metals 118.1K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other National Cement Facilities
Same-parent TRI sites ranked by reported releases - including National Cement Co. of Alabama Inc., National Ready Mix Concrete Co., National Ready Mix Concrete Co ..
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, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Chromium, Lead And Lead Compounds; nearby reporters include Arcosa Lightweight Frazier Park Plant. National Cement Co of California Inc stamps MID 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 National Cement Co of California Inc TRI extract (MID · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
National Cement Co of California Inc totals are self-reported EPCRA §313 estimates for Lebec, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327310 · Nonmetallic Mineral Product. 0.2% of Kern TRI pounds in this extract. Nearest ABS peer: Prairie Creek Generating Station (Δ 26 lbs). Pounds ≠ exposure.
National Cement Co of California Inc stamps MID 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