EPA TRI Facility · Miscellaneous Manufacturing
Aw Chesterton Co
Groveland, MA
- Total releases
- 0 lbs
- Chemicals reported
- 3
- Carcinogens
- 2
- Primary pathway
- -
Aw Chesterton Co is an EPA Toxics Release Inventory reporter in Groveland, MA, in the miscellaneous manufacturing sector. That ranks 21,547 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Dauphinais Concrete Inc.; Cabot Corp; Cedars Mediterranean Foods; Thermo Fisher Scientific Chemicals Inc. Similar-scale Miscellaneous Manufacturing peers outside Massachusetts: Celestica Llc.; Ptm & W Industries Inc.; Honeywell Industrial Safety; Sechrist Industries Inc. Largest disclosed chemicals by pounds: Nickel; Chromium; 4,4'-Methylenebis(2-chloroaniline).
Aw Chesterton Co has reported 0 lbs of toxic releases across 3 chemicals to the EPA Toxic Release Inventory, based on annual facility disclosures from 2019 through 2023. Of the chemicals reported, 2 are classified as carcinogens, representing 67% of the facility's chemical profile. The facility operates in the Miscellaneous Manufacturing sector. All release data shown below is self-reported to the EPA under the Emergency Planning and Community Right-to-Know Act (EPCRA) Section 313.
Where this facility sits in the TRI record
According to the EPA Toxics Release Inventory, Aw Chesterton Co filed Form R disclosures without reporting any release volume, one of 371 Miscellaneous Manufacturing facilities in this database. A zero total means nothing was reported under EPCRA Section 313, not that the site was assessed and found clean.
Placement is computed from reported TRI pounds in this database. Thresholds are fixed across every facility page: concentrated ≥60% of volume in one chemical, county-dominant ≥25% of the county total, carcinogen-heavy ≥50% of pounds. Share-based statements are shown only for sites reporting at least 1,000 lbs, because a share of a very small total is not a meaningful signal. Reported pounds are self-reported estimates and do not measure toxicity or health risk.
Aw Chesterton Co files annual Form R disclosures to the EPA Toxics Release Inventory under EPCRA Section 313, classified under NAICS 339991 (Miscellaneous Manufacturing). Across 6 years of records spanning 2019–2024, the site has disclosed 0 lbs in cumulative toxic releases across 3 distinct chemicals, 2 of which (67%) carry a carcinogenic classification. Largest chemicals by pounds: Nickel; Chromium; 4,4'-Methylenebis(2-chloroaniline).
Release pathway breakdown is not broken out in the facility record. Nearest other TRI reporters: Dauphinais Concrete Inc.; Cabot Corp; Cedars Mediterranean Foods; Thermo Fisher Scientific Chemicals Inc. Similar-scale peers outside Massachusetts: Celestica Llc.; Ptm & W Industries Inc.; Honeywell Industrial Safety; Sechrist Industries Inc.
TRI Form R values are self-reported estimates, not measured stack emissions, and treat every pound of reported chemical equally regardless of toxicity. Inclusion in the TRI database does not establish a health risk to nearby residents; it documents the annual reporting record that Aw Chesterton Co has filed with the EPA under federal community right-to-know requirements - open Dauphinais Concrete Inc. for a different chemical mix before treating volume as risk.
Quick Facts
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See how Aw Chesterton Co stacks up against nearby facilities and the typical reporter.
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Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
Emissions Trend Summary
Reported total releases by year
Aw Chesterton Co - annual TRI totals
- 2019 0
2019
0 million lbs
- 2020 0
2020
0 million lbs
- 2021 0
2021
0 million lbs
- 2022 0
2022
0 million lbs
- 2023 0
2023
0 million lbs
- 2024 0
2024
0 million lbs
What this shows Year-over-year reported totals. TRI figures are self-reported estimates and can swing with production levels, waste-rock handling and reporting changes, not only with emissions controls.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 0 lbs | 2 |
| 2020 | 0 lbs | 2 |
| 2021 | 0 lbs | 2 |
| 2022 | 0 lbs | 2 |
| 2023 | 0 lbs | 3 |
| 2024 | 0 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nickel | 0 lbs | Carcinogen |
| Chromium | 0 lbs | - |
| 4,4'-Methylenebis(2-chloroaniline) | 0 lbs | Carcinogen |
Location
Nearest TRI Facilities to Aw Chesterton Co
Closest other reporters in Massachusetts - including Dauphinais Concrete Inc., Cabot Corp, Cedars Mediterranean Foods, ordered by distance.
Similar Miscellaneous Manufacturing Facilities
Other Miscellaneous Manufacturing facilities with similar total release volumes (±80%), outside Massachusetts - e.g. Celestica Llc., Ptm & W Industries Inc., Honeywell Industrial Safety.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
Data comes from the EPA Toxic Release Inventory (TRI) program. Facilities that manufacture, process, or otherwise use listed toxic chemicals above threshold amounts are required to report annually to the EPA.
On this page the largest disclosed chemicals include Nickel, Chromium, 4,4'-Methylenebis(2-chloroaniline); nearby reporters include Dauphinais Concrete Inc.. "Total releases" includes air, water, land, and off-site transfers for disposal, aggregated across available reporting years. Quantities are self-reported estimates, not measured stack emissions.
PlainEnviro presents this data without advocacy framing. The presence of a facility in the TRI database does not by itself indicate a health risk. For site-specific health questions, consult your local environmental or health agency.
Frequently Asked Questions
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Explore More Data for Massachusetts
What to do with this facility's data
From Aw Chesterton Co, open Dauphinais Concrete Inc. or Celestica Llc. next rather than reading rank alone.
- See whether releases reported by Aw Chesterton Co are rising or falling over time (watch Nickel in the chemical mix). View trends
- Compare Aw Chesterton Co with nearby reporter Dauphinais Concrete Inc. before treating rank as risk. Open Dauphinais Concrete Inc.
- Cross-check similar-scale peer Celestica Llc. outside Massachusetts. Open Celestica Llc.
Rank and named neighbors (Dauphinais Concrete Inc., Cabot Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Read our methodology - how this data is sourced, computed, and verified.
Related
Sources & how this page was built
Every figure on this page traces to public, federal-government data on Aw Chesterton Co. The records below are the primary sources; our methodology explains how they are joined, computed, and verified.
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program, chemical & reporting reference - what each chemical is and how releases are counted. epa.gov
- EPA Facility Registry Service (FRS) - authoritative facility location and identity. epa.gov
- EPA Enforcement & Compliance History Online (ECHO) - regulatory and compliance context. echo.epa.gov
- EPA Envirofacts - the EPA data warehouse that exposes these datasets. enviro.epa.gov
Retrieved and formatted by PlainEnviro. TRI release totals are self-reported estimates, not measured stack emissions.
According to the U.S. Environmental Protection Agency, the Toxics Release Inventory has required annual industrial disclosure since its creation under the Emergency Planning and Community Right-to-Know Act in October 1986, and this facility's record is drawn from PlainEnviro's database of more than 25,000 EPA-tracked facilities through the 2023 reporting year; see our methodology for full source citations and refresh cadence.