PlainEnviro

EPA TRI Chemical

Piperonyl Butoxide

CAS Number: 51-03-6

Total releases
71.7K lbs
Number of facilities
24
Carcinogen
No
PBT substance
No
Verify at EPA TRI →

According to the EPA Toxics Release Inventory, Piperonyl Butoxide (CAS 51-03-6) is disclosed by 24 Form R facilities totaling 71.7K lbs of reported releases. TRI pounds are self-reported disclosure totals, not a measured public-health risk score.

View saved records

Piperonyl Butoxide (CAS 51-03-6) is a chemical tracked by the EPA Toxics Release Inventory (TRI) program under Section 313 of the Emergency Planning and Community Right-to-Know Act. The TRI requires industrial facilities above specified threshold quantities to disclose annual manufacturing, processing, and otherwise-used volumes, along with quantities released to air, water, land, and off-site transfers.

A carcinogen flag, when present on other chemicals in this database, reflects an assessment from EPA, IARC, or the National Toxicology Program rather than a TRI-specific determination. The largest individual disclosure in the current dataset comes from CHEMICAL WASTE MANAGEMENT in AL at 47.3K lbs.

TRI volumes are self-reported estimates, not measured stack emissions, and each pound counts equally regardless of chemical toxicity, so total pounds should not be equated with total risk. Inclusion of a chemical or facility in the TRI does not itself establish a health hazard; it documents the public right-to-know record. Consult EPA's IRIS (Integrated Risk Information System) and the Agency for Toxic Substances and Disease Registry for health-effect summaries.

MIXED pathway mix

Piperonyl Butoxide: how the 71.7K lbs splits

71.7K lbs across all reported pathways

  • Land Disposal47.3K lbs66.0%
  • Off-site Transfers24.2K lbs33.7%
  • Air Releases192 lbs0.3%

Piperonyl Butoxide's 71.7K lbs Form-R total is MIXED, with land disposal making up 66.0% of the bar. Next segment: off-site transfers at 33.7%.

Trend & Where It's Reported

Reported Release Trend

Between 2019 and 2023, cumulative annual Piperonyl Butoxide releases across all reporting facilities decreased by 95% (22 lbs → 1 lbs). Year-to-year swings reflect facility openings/closures and reporting changes as much as underlying activity.

Geographic Concentration

Reporting for Piperonyl Butoxide is highly concentrated: Alabama accounts for 66.0% of the reported total (1 facility). Next: Illinois.

  • Alabama 47.3K lbs
  • Illinois 12.5K lbs
  • Michigan 11.8K lbs
  • Texas 41 lbs
  • Kansas 20 lbs
Industry Sources

Reporting for Piperonyl Butoxide is highly concentrated by industry: Hazardous Waste facilities account for 66.0% of the reported total (4 facilities). Next: Chemicals.

  • Hazardous Waste 47.3K lbs
  • Chemicals 12.5K lbs
  • Other 11.8K lbs
  • Plastics and Rubber 0 lbs

Which facilities release the most of this chemical?

Facilities with the largest reported releases of Piperonyl Butoxide. Up to 50 shown.

# Facility Release (lbs)
1 Chemical Waste Management
47.3K lbs
2 Clarke Mosquito Control Products Inc
12.5K lbs
3 Eq Detroit Inc
11.8K lbs
4 Wellmark International (dba Central Life Sciences)
25 lbs
5 Ritepack Inc
20 lbs
6 Veolia Es Technical Solutions LLC Port Arthur Facility
15 lbs
7 Perrigo Ny
10 lbs
8 Cjb Industries Inc Cs Plant
6 lbs
9 Clean Harbors Environmental Services Inc
1 lbs
10 US Army Picatinny Arsenal
1 lbs
11 Sbm Life Science Corp.
1 lbs
12 Cjb Industries Inc Cw Plant
0 lbs
13 Clean Harbors Aragonite LLC
0 lbs
14 Y-Tex Corp
0 lbs
15 Questspecialty Corp
0 lbs
16 Control Solutions Inc.
0 lbs
17 Schirm USA Inc.
0 lbs
18 Chemsico
0 lbs
19 Aerofil Technology Inc
0 lbs
20 McLaughlin Gormley King
0 lbs
21 Chem Tech Ltd
0 lbs
22 Apollo Aerosol Industries LLC
0 lbs
23 Gxo Warehouse Co Inc
0 lbs
24 Santolubes Manufacturing LLC
0 lbs

Frequently Asked Questions

What is Piperonyl Butoxide in the EPA TRI? ▼
Piperonyl Butoxide (CAS Number: 51-03-6) is a chemical tracked by the EPA Toxic Release Inventory (TRI) program. It is not marked as a carcinogen in the TRI classification set. 24 facilities in the United States report releasing this chemical to the EPA.
How much Piperonyl Butoxide is disclosed in U.S. TRI filings? ▼
U.S. facilities have reported a total of 71.7K lbs of Piperonyl Butoxide releases to the EPA Toxic Release Inventory across 24 facilities. Release quantities are self-reported estimates covering air, water, land, and off-site transfers. They are disclosure totals, not toxicity-weighted harm scores.
How does EPA TRI classify Piperonyl Butoxide? ▼
Piperonyl Butoxide is not marked as a carcinogen in the TRI classification set. TRI classification flags document inventory listing status; they are not a site-specific exposure or health diagnosis. For health-effect summaries see EPA IRIS and ATSDR toxicological profiles.
Which facilities disclose the most Piperonyl Butoxide? ▼
Chemical Waste Management in AL reports the largest disclosed release of Piperonyl Butoxide in this dataset, at 47.3K lbs. Most reporting facilities for this chemical fall under hazardous waste. Release data is self-reported annually to the EPA under the TRI program. View the full list of 24 facilities on this page.
What is the CAS number for Piperonyl Butoxide? ▼
The CAS (Chemical Abstracts Service) Registry Number for Piperonyl Butoxide is 51-03-6. CAS numbers are unique numerical identifiers assigned to every chemical substance described in the open scientific literature. This identifier is used to search scientific databases and regulatory filings.

Related Guides

Understanding TRI Data
How the Toxic Release Inventory works
Biggest Polluters in America
Which facilities release the most toxics
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Health Information

Data comes from the EPA Toxic Release Inventory (TRI) program. Release quantities are self-reported by facilities and may represent estimates. The total shown aggregates reports across all facilities and reporting years.

PlainEnviro presents this data without advocacy framing. The presence of a chemical in the TRI database does not by itself indicate a health risk at current exposure levels. For health-related questions about specific chemical exposures, consult your local health agency or a toxicologist.

Related

Browse all → | Rankings →
Data sourced from the U.S. Environmental Protection Agency (EPA). See our methodology for details. Retrieved and formatted by PlainEnviro

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the EPA Toxic Release Inventory (TRI). Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.