EPA TRI Facility · Nonmetallic Mineral Product

Martin Marietta Ca Ready Mix - San Luis Obipso

San Luis Obispo, CA · Parent: Martin Marietta Materials Inc

Total releases
0 lbs
Chemicals reported
2
Latest report
2022
Primary pathway
Air Releases

AIR Form-R mix

Martin Marietta Ca Ready Mix - San Luis Obipso: how the 0 lbs splits

0 lbs across all reported pathways

  • Air Releases 0 lbs 100.0%

Martin Marietta Ca Ready Mix - San Luis Obipso's 0 lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Mercury And Mercury Compounds.

TRACE volume AIR pathway CLEAN

Martin Marietta Ca Ready Mix - San Luis Obipso is an EPA Toxics Release Inventory reporter in San Luis Obispo, CA, in the nonmetallic mineral product sector. It reported 0 lbs of releases across 1 chemical in 2022, and 0 lbs in total across its 2021-2022 reporting years. That ranks 21,328 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. Martin Marietta Ca Ready Mix - San Luis Obipso is pounds #1139 and chemical-count #782 at 0 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: Promega Corp; Entegris - San Luis Obispo; U.S. Army National Guard Camp San Luis Obispo Ranges; Rantec Power Systems Inc. Similar-scale Nonmetallic Mineral Product peers outside California: Red River Ready Mix LLC; Ipc Building Products; Burnco Colorado LLC - Fort Lupton; Central Carolina Concrete LLC Plant 1. Other Martin Marietta Materials Inc sites in this extract: Martin Marietta North Texas Cement LLC; Martin Marietta Magnesia Specialties Woodville; Mission Valley Rock; Martin Marietta Arizona LLC - River Ranch Plant. Largest disclosed chemicals by pounds: Mercury And Mercury Compounds; Mercury compounds.

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Martin Marietta Ca Ready Mix - San Luis Obipso stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals. Cumulative Form-R extract: 0 lbs (2021–2022). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Red River Ready Mix LLC and Ipc Building Products.

#21,328 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Martin Marietta Ca Ready Mix - San Luis Obipso vs. every reporting TRI facility

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

0 lbs 18th percentile higher than 18% 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

Martin Marietta Ca Ready Mix - San Luis Obipso in the Nonmetallic Mineral Product sector extract

Among the 3,265 Nonmetallic Mineral Product facilities in this database, Martin Marietta Ca Ready Mix - San Luis Obipso reports the 2,603rd-largest volume (0 lbs). Scale peers outside California include Red River Ready Mix LLC and Ipc Building Products.

Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.

Martin Marietta Ca Ready Mix - San Luis Obipso Form-R facts

Sector
Nonmetallic Mineral Product
TRACE volume
0 lbs
AIR pathway
Air Releases
CLEAN chem count
2
Lead chemical
Mercury And Mercury Compounds

Compare this facility

See how Martin Marietta Ca Ready Mix - San Luis Obipso stacks up against nearby facilities and the typical reporter.

Total reported releases
Martin Marietta Ca Ready Mix - San Luis Obipso
0 lbs
Promega Corp
10.1K lbs

100% less than the comparison

Chemicals reported
Martin Marietta Ca Ready Mix - San Luis Obipso
2
Promega Corp
3

33% 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 Martin Marietta Ca Ready Mix - San Luis Obipso releases toxic chemicals into the environment. Total: 0 lbs.

Air Releases 0 lbs (100.0%)
View 2-Year Emissions Trend →

Emissions Trend Summary

From 2021 to 2022, total releases increased by 200% (0 lbs to 0 lbs).

Martin Marietta Ca Ready Mix - San Luis Obipso: annual Form-R pounds

TRACE site · AIR pathway · TRI years 2021–2022

million lbs

What this shows Martin Marietta Ca Ready Mix - San Luis Obipso year-over-year reported totals (increased by 200% from 2021 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: Mercury And Mercury Compounds.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2021 0 lbs 1
2022 0 lbs 1

Chemical Releases

Aggregated across all reporting years (2021–2022). Sorted by total release volume.

Chemical Total Flags
Mercury And Mercury Compounds 0 lbs -
Mercury compounds 0 lbs -

Martin Marietta Ca Ready Mix - San Luis Obipso · AIR-pathway site

San Luis Obispo, CA
35.2439, -120.6731
County TRI context
San Luis Obispo · 0.0% of county pounds
Parent company
Martin Marietta Materials Inc

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 Mercury And Mercury Compounds, Mercury compounds; nearby reporters include Promega Corp. Martin Marietta Ca Ready Mix - San Luis Obipso stamps TRACE 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 Martin Marietta Ca Ready Mix - San Luis Obipso TRI extract (TRACE · AIR · CLEAN · lead Mercury And Mercury Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Martin Marietta Ca Ready Mix - San Luis Obipso totals are self-reported EPCRA §313 estimates for San Luis Obispo, CA, latest year 2022. Form-R rows span 2021–2022 (2 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of San Luis Obispo TRI pounds in this extract. Nearest ABS peer: Leed-Himmel Industries Inc (Δ 0 lbs). Pounds ≠ exposure.

Martin Marietta Ca Ready Mix - San Luis Obipso stamps TRACE volume · AIR pathway · CLEAN · lead Mercury And Mercury Compounds. 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