EPA TRI Facility · Chemicals

W. R. Grace

Hesperia, CA · Parent: W R Grace & Co

Total releases
17.5K lbs
Chemicals reported
3
Latest report
2023
Primary pathway
Air Releases

AIR Form-R mix

W. R. Grace: how the 17.5K lbs splits

17.5K lbs across all reported pathways

  • Air Releases 17.4K lbs 99.2%
  • Off-site Transfers 135 lbs 0.8%

W. R. Grace's 17.5K lbs Form-R total is AIR - air releases is 99.2% of the bar. Next segment: off-site transfers at 0.8%. Leading chemical by pounds: Methanol.

LIGHT volume AIR pathway CLEAN

W. R. Grace is an EPA Toxics Release Inventory reporter in Hesperia, CA, in the chemicals sector. It reported 2.2K lbs of releases across 3 chemicals in 2023, and 17.5K lbs in total across its 2019-2023 reporting years. That ranks 8,544 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. W. R. Grace is pounds #326 and chemical-count #421 at 17.5K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Hesperia Plant 31; Sherwin-Williams Co; Church & Dwight Co. Inc.; Cemex Construction Materials Pacific LLC. Similar-scale Chemicals peers outside California: Hawk Research Laboratories LLC; Independence Oilfield Chemicals Midland Tx; Hammond Lead Products; Royal Chemical Co. Other W R Grace & Co sites in this extract: W R Grace & Co-Conn Grace; Grace Davison-Curtis Bay Works; W.r. Grace & Co.; W R Grace & Co. Largest disclosed chemicals by pounds: Methanol; Toluene; Mercury.

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W. R. Grace stamps LIGHT volume with a dominant AIR pathway (99.2% air releases) across 3 chemicals. Cumulative Form-R extract: 17.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hawk Research Laboratories LLC and Independence Oilfield Chemicals Midland Tx.

#8,544 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

W. R. Grace vs. every reporting TRI facility

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

18K lbs Top 33% higher than 67% 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

W. R. Grace: Methanol-led volume

Among the 3,917 Chemicals facilities in this database, W. R. Grace reports the 1,798th-largest volume (17.5K lbs). Its reported volume is concentrated rather than spread: Methanol alone is 64.1% of the total. Scale peers outside California include Hawk Research Laboratories LLC and Independence Oilfield Chemicals Midland Tx.

Concentrated means ≥60% of W. R. Grace's pounds in one chemical - here Methanol at 64.1%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • W. R. Grace's total reported releases rose from 1.3 thousand lb in 2022 to 2.2 thousand lb in 2023, based on EPA TRI filings.
  • W. R. Grace's air releases rose from 1.3 thousand lb in 2022 to 2.2 thousand lb in 2023, based on EPA TRI filings.

W. R. Grace Form-R facts

Sector
Chemicals
LIGHT volume
17.5K lbs
AIR pathway
Air Releases
CLEAN chem count
3
Lead chemical
Methanol

Compare this facility

See how W. R. Grace stacks up against nearby facilities and the typical reporter.

Total reported releases
W. R. Grace
17.5K lbs
Hesperia Plant 31
14 lbs

1243.6× more than the comparison

Chemicals reported
W. R. Grace
3
Hesperia Plant 31
1

3.0× 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 W. R. Grace releases toxic chemicals into the environment. Total: 17.5K lbs.

Air Releases 17.4K lbs (99.2%)
Off-site Transfers 135 lbs (0.8%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 62% (5.8K lbs to 2.2K lbs).

W. R. Grace: annual Form-R pounds

LIGHT site · AIR pathway · TRI years 2019–2023

million lbs

What this shows W. R. Grace year-over-year reported totals (decreased by 62% 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: Methanol.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 5.8K lbs 2
2020 4.2K lbs 2
2021 4.0K lbs 3
2022 1.3K lbs 3
2023 2.2K lbs 3

Chemical Releases

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

Chemical Total Flags
Methanol 11.2K lbs -
Toluene 6.1K lbs -
Mercury 135 lbs -

W. R. Grace · AIR-pathway site

Hesperia, CA
34.4342, -117.2821
County TRI context
San Bernardino · 0.3% of county pounds
Parent company
W R Grace & Co

Compare beyond California

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest W. R. Grace on cumulative reported pounds (17.5K lbs) and distinct chemical count (3). Release-pound peers include Building Materials Manufacturing LLC, Hawk Research Laboratories LLC, Independence Oilfield Chemicals Midland Tx. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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 Methanol, Toluene, Mercury; nearby reporters include Hesperia Plant 31. W. R. Grace 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 W. R. Grace TRI extract (LIGHT · AIR · CLEAN · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

W. R. Grace totals are self-reported EPCRA §313 estimates for Hesperia, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325180 · Chemicals. 0.3% of San Bernardino TRI pounds in this extract. Nearest ABS peer: Building Materials Manufacturing LLC (Δ 6 lbs). Pounds ≠ exposure.

W. R. Grace stamps LIGHT volume · AIR pathway · CLEAN · lead Methanol. 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