EPA TRI Facility · Nonmetallic Mineral Product

Lehigh Southwest Cement Co

Cupertino, CA · Parent: Lehigh Hanson

Total releases
37.0K lbs
Chemicals reported
12
Carcinogens
3
Primary pathway
Air Releases

AIR Form-R mix

Lehigh Southwest Cement Co: how the 37.0K lbs splits

37.0K lbs across all reported pathways

  • Air Releases 36.4K lbs 98.6%
  • Water Discharges 509 lbs 1.4%
  • Land Disposal 0 lbs <0.1%

Lehigh Southwest Cement Co's 37.0K lbs Form-R total is AIR - air releases is 98.6% of the bar. Next segment: water discharges at 1.4%. Leading chemical by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

Carcinogen-classified pounds vs other reported pounds

Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.

LIGHT volume AIR pathway TRACE-CARC

Lehigh Southwest Cement Co is an EPA Toxics Release Inventory reporter in Cupertino, CA, in the nonmetallic mineral product sector. It reported 0 lbs of releases across 2 chemicals in 2022, and 37.0K lbs in total across its 2019-2022 reporting years. That ranks 6,833 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. Lehigh Southwest Cement Co is pounds #238 and chemical-count #54 at 37.0K 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). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Agilent Technologies Inc; Sierra Circuits Inc (dba Sierra Proto Express); Northrop Grumman Systems Corp; Apple Inc - Kifer 1C. Similar-scale Nonmetallic Mineral Product peers outside California: Cemex Southeast Llc-Clinchfield Cement Plant; Radiac Abrasives Inc; Guardian Industries LLC; Acme Brick Tile & Stone Birmingham Plant. Other Lehigh Hanson sites in this extract: Essroc Cement Corp; Glendale Plant #45; Sherman Industries LLC - Birmingham City Plant; Sherman Industries - Montevallo Plant. Largest disclosed chemicals by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Nickel And Nickel Compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Manganese And Manganese Compounds.

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Lehigh Southwest Cement Co stamps LIGHT volume with a dominant AIR pathway (98.6% air releases) across 12 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 37.0K lbs (2019–2022). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cemex Southeast Llc-Clinchfield Cement Plant and Radiac Abrasives Inc.

#6,833 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Lehigh Southwest Cement Co vs. every reporting TRI facility

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

37K lbs Top 26% higher than 74% 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

Lehigh Southwest Cement Co: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)-led volume

Among the 3,265 Nonmetallic Mineral Product facilities in this database, Lehigh Southwest Cement Co reports the 250th-largest volume, placing it in the top 7.7% of its sector. Its reported volume is concentrated rather than spread: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) alone is 97.5% of the total. Scale peers outside California include Cemex Southeast Llc-Clinchfield Cement Plant and Radiac Abrasives Inc.

Concentrated means ≥60% of Lehigh Southwest Cement Co's pounds in one chemical - here Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at 97.5%. Not a toxicity score.

Lehigh Southwest Cement Co Form-R facts

Sector
Nonmetallic Mineral Product
LIGHT volume
37.0K lbs
AIR pathway
Air Releases
TRACE-CARC chem count
12 · 3 carc.
Lead chemical
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

Compare this facility

See how Lehigh Southwest Cement Co stacks up against nearby facilities and the typical reporter.

Total reported releases
Lehigh Southwest Cement Co
37.0K lbs
Agilent Technologies Inc
22.5K lbs

64% more than the comparison

Chemicals reported
Lehigh Southwest Cement Co
12
Agilent Technologies Inc
3

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 Lehigh Southwest Cement Co releases toxic chemicals into the environment. Total: 37.0K lbs.

Air Releases 36.4K lbs (98.6%)
Water Discharges 509 lbs (1.4%)
Land Disposal 0 lbs (<0.1%)
View 4-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2022, total releases decreased by 100% (35.2K lbs to 0 lbs).

Lehigh Southwest Cement Co: annual Form-R pounds

LIGHT site · AIR pathway · TRI years 2019–2022

million lbs

What this shows Lehigh Southwest Cement Co year-over-year reported totals (decreased by 100% from 2019 to 2022). 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: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 35.2K lbs 7
2020 1.7K lbs 7
2021 0 lbs 2
2022 0 lbs 2

Chemical Releases

Aggregated across all reporting years (2019–2022). 3 of 12 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 36.0K lbs -
Nickel And Nickel Compounds 329 lbs Carcinogen
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 324 lbs -
Manganese And Manganese Compounds 93 lbs -
Mercury And Mercury Compounds 58 lbs -
Manganese compounds 34 lbs -
Nickel compounds 30 lbs Carcinogen
Chromium compounds (except for chromite ore mined in the Transvaal Region) 19 lbs -
Mercury compounds 11 lbs -
Lead And Lead Compounds 10 lbs -
Lead compounds 3 lbs -
Dioxin and dioxin-like compounds 0 lbs Carcinogen

Lehigh Southwest Cement Co · AIR-pathway site

Cupertino, CA
37.3225, -122.0793
County TRI context
Santa Clara · 2.3% of county pounds
Parent company
Lehigh Hanson

Compare beyond California

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Lehigh Southwest Cement Co on cumulative reported pounds (37.0K lbs) and distinct chemical count (12). Release-pound peers include Lg Energy Solution Michigan Inc., Tri-City Extrusion, The Andersons Upper Sandusky Terminal. Chemical-count peers include Fmc Agricultural Caribe Industries Ltd, Peerless Oil & Chemicals Inc., Prepa - Aguirre Power Generati on Complex. 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 Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Nickel And Nickel Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Manganese And Manganese Compounds; nearby reporters include Agilent Technologies Inc. Lehigh Southwest Cement Co stamps LIGHT volume · AIR pathway · TRACE-CARC 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 Lehigh Southwest Cement Co TRI extract (LIGHT · AIR · TRACE-CARC · lead Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Lehigh Southwest Cement Co totals are self-reported EPCRA §313 estimates for Cupertino, CA, latest year 2022. Form-R rows span 2019–2022 (4 years). NAICS 327310 · Nonmetallic Mineral Product. 2.3% of Santa Clara TRI pounds in this extract. Nearest ABS peer: Lg Energy Solution Michigan Inc. (Δ 5 lbs). Pounds ≠ exposure.

Lehigh Southwest Cement Co stamps LIGHT volume · AIR pathway · TRACE-CARC · lead Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). 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