Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals and Toxics
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Pesticides
    • Radon
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • EPA Administrator
    • Organization Chart
    • Staff Directory
    • Planning, Budget, and Results
    • Jobs and Internships
    • Headquarters Offices
    • Regional Offices
    • Lab and Research Centers
Related Topics:
  • Green Chemistry
Contact Us

Green Chemistry Challenge Winners

On this page:

Award winners by year with links to technology summaries and podcasts (for some).

On other pages:

  • Summaries of all winning technologies in PDF format: 1996-2016 GCC Award Recipients Booklet
  • Winning technologies indexed by technology
  • Winning technologies indexed by industry sector

Disclaimer: Mention of trade names, products, or services does not convey official EPA approval, endorsement, or recommendation.


Award Winners by Year

Select a year:

2021 Award Winners

  • For Greener Synthetic Pathways
    Merck & Co., Inc. 
    Gefapixant Citrate (summary)

  • For Greener Reaction Conditions
    Bristol Myers Squibb Company
    Five sustainable reagents (summary) 

  • For Designing Greener Chemicals
    Colonial Chemical 
    Suga®Boost surface cleaner (summary)

  • For Small Business
    XploSafe LLC 
    PhosRox, a novel sorbent (summary)

  • For Academic
    Professor Srikanth Pilla  of Clemson University
    Nonisocyanate polyurethane (NIPU) foam (summary)

2020 Award Winners

  • For Greener Synthetic Pathways
    Genomatica 
    Biobased Butylene Glycol (summary)
  • For Greener Reaction Conditions
    Merck & Co. 
    A Green Solution to the ProTide Synthesis Problem: Design of a Multifunctional Catalyst That Stereoselectively Assembles ProDrugs (summary)
  • For Designing Greener Chemicals
    Johns Manville, a Berkshire Hathaway Company 
    Biobased Formaldehyde-Free Thermoset Binder Formulation (summary)
  • For Small Business
    Vestaron Corporation 
    SPEAR® Insecticide: First Member of a New Class of Biopesticides That Show Efficacy Comparable to Synthetic Insecticides (summary)
  • For Academic
    Professor Steven Skerlos of the University of Michigan and Fusion Coolant Systems 
    Pure-Cut™ (summary)

2019 Award Winners

  • For Greener Synthetic Pathways
    Merck & Co. 
    Innovating for a Greener Future: Development of a Green & Sustainable Manufacturing Process for ZerbaxaTM (summary)
  • For Greener Reaction Conditions
    WSI
    TRUpathTM (summary)
  • For Small Business
    Kalion, Inc.  
    Microbially Produced High-Purity Glucaric Acid for Diverse Uses (summary)
  • For Academic
    Professor Sanjoy Banerjee of the City University of New York
    Rechargeable Alkaline Zn-MnO2 Batteries for Grid Storage Applications (summary)

2018 Award Winners

  • The US EPA did not solicit nominations for the Green Chemistry Challenge Awards in 2018.  However, the  American Chemical Society,  who co-sponsors the EPA Green Chemistry Challenge, solicited nominations and selected awardees separately from the EPA.  More information about the 2018 winners can be found here.  

2017 Award Winners

  • For Greener Synthetic Pathways
    Merck & Co., Inc. 
    Letermovir: A Case Study in State-of-the-Art Approaches to Sustainable Commercial Manufacturing Processes in the Pharmaceutical Industry (summary)
  • For Greener Reaction Conditions
    Amgen Inc.
    Bachem 
    Green Process for Commercial Manufacture of Etelcalcetide Enabled by Improved Technology for Solid Phase Peptide Synthesis (summary)
  • For Designing Greener Chemicals
    The Dow Chemical Company 
    Papierfabrik August Koehler SE 
    Breakthrough Sustainable Imaging Technology for Thermal Paper (summary)
  • For Small Business
    UniEnergy Technologies LLC 
    The UniSystemTM: An Advanced Vanadium Redox Flow Battery for Grid-Scale Energy Storage (summary)
  • For Academic
    Professor Eric J. Schelter of University of Pennsylvania
    Simple and Efficient Recycling of Rare Earth Elements from Consumer Materials Using Tailored Metal Complexes (summary)

2016 Award Winners

  • For Greener Synthetic Pathways
    CB&I  (now McDermott)
    Albemarle 
    AlkyClean® Technology:  An Inherently Safer Technology for the Production of Gasoline Alkylate (summary)
  • For Greener Reaction Conditions
    Dow AgroSciences LLC 
    Instinct® Technology - Making Nitrogen Fertilizers Work More Effectively for Farmers and the Planet (summary)
  • For Designing Greener Chemicals and Specific Environmental Benefit: Climate Change
    Newlight Technologies 
    AirCarbon: Greenhouse Gas Transformed into High-Performance Thermoplastic (summary)
  • For Small Business
    Verdezyne
    Renewable Nylon Through Commercialization of BIOLONTM DDDA (summary)
  • For Academic
    Professor Paul J. Chirik  of Princeton University 
    Catalysis with Earth Abundant Transition Metals (summary)

2015 Award Winners

  • For Greener Synthetic Pathways
    LanzaTech Inc. 
    LanzaTech Gas Fermentation Process (summary and picture)
  • For Greener Reaction Conditions
    Soltex (Synthetic Oils and Lubricants of Texas)
    A Novel High Efficiency Process for the Manufacture of Highly Reactive Polyisobutylene Using a Fixed Bed Solid State Catalyst Reactor System (summary and picture)
  • For Designing Greener Chemicals
    Hybrid Coating Technologies
    Nanotech Industries
    Hybrid Non-Isocyanate Polyurethane/Green PolyurethaneTM (summary and picture)
  • For Small Business
    Renmatix 
    The Plantrose® Process: Supercritical Water as the Economic Enabler of Biobased Industry (summary and picture)
  • For Academic
    Professor Eugene Y.-X. Chen  of Colorado State University
    Greener Condensation Reactions for Renewable Chemicals, Liquid Fuels, and Biodegradable Polymers (summary and picture)
  • For Specific Environmental Benefit: Climate Change
    Algenol
    The Algenol Biofuel Process: Sustainable Production of Ethanol and Green Crude (summary and picture)

2014 Award Winners

  • For Greener Synthetic Pathways
    Solazyme, Inc. (now Corbion)
    Tailored Oils Produced from Microalgal Fermentation (summary and podcast)
  • For Greener Reaction Conditions
    QD Vision, Inc. (technology acquired by Samsung)
    Greener Quantum Dot Synthesis for Energy Efficient Display and Lighting Products (summary and podcast)
  • For Designing Greener Chemicals
    The Solberg Company
    RE-HEALINGTM Foam Concentrates–Effective Halogen-Free Firefighting (summary)
  • For Small Business
    Amyris
    Farnesane: a Breakthrough Renewable Hydrocarbon for Use as Diesel and Jet Fuel (summary and podcast)
  • For Academic
    Professor Shannon S. Stahlof the University of Wisconsin-Madison
    Aerobic Oxidation Methods for Pharmaceutical Synthesis (summary and podcast)

2013 Award Winners

  • For Greener Synthetic Pathways
    Life Technologies Corporation (technology acquired by Thermo Fisher Scientific)
    Safe, Sustainable Chemistries for the Manufacturing of PCR Reagents (summary)
  • For Greener Reaction Conditions
    The Dow Chemical Company 
    EVOQUETM Pre-Composite Polymer Technology (summary)
  • For Designing Greener Chemicals
    Cargill, Inc. 
    Vegetable Oil Dielectric Insulating Fluid for High-Voltage Transformers (summary)
  • For Small Business
    Faraday Technology, Inc. 
    Functional Chrome Coatings Electrodeposited from a Trivalent Chromium Plating Electrolyte (summary)
  • For Academic
    Professor Richard P. Wool of the University of Delaware 
    Sustainable Polymers and Composites: Optimal Design (summary)

2012 Award Winners

  • For Greener Synthetic Pathways
    Codexis, Inc.
    Professor Yi Tang of the University of California, Los Angeles
    An Efficient Biocatalytic Process to Manufacture Simvastatin (summary and podcast)
  • For Greener Reaction Conditions
    Cytec Industries Inc.(acquired by Solvay)
    MAX HT® Bayer Sodalite Scale Inhibitor (summary and podcast)
  • For Designing Greener Chemicals
    Buckman International, Inc.
    Enzymes Reduce the Energy and Wood Fiber Required to Manufacture High-Quality Paper and Paperboard (summary and podcast)
  • For Small Business
    Elevance Renewable Sciences, Inc.
    Using Metathesis Catalysis to Produce High-Performing, Green Specialty Chemicals at Advantageous Costs (summary and podcast)
  • For Academic
    Professor Robert M. Waymouth of Stanford University
    Dr. James L. Hedrick of the IBM Almaden Research Center
    Organic Catalysis: A Broadly Useful Strategy for Green Polymer Chemistry (summary and podcast)
  • For Academic
    Professor Geoffrey W. Coates of Cornell University
    Synthesizing Biodegradable Polymers from Carbon Dioxide and Carbon Monoxide (summary and podcast)

2011 Award Winners

  • For Greener Synthetic Pathways
    Genomatica
    Production of Basic Chemicals from Renewable Feedstocks at Lower Cost (summary and podcast)
  • For Greener Reaction Conditions
    Kraton Performance Polymers, Inc.
    NEXARTM Polymer Membrane Technology (summary and podcast)
  • For Designing Greener Chemicals
    The Sherwin-Williams Company
    Water-based Acrylic Alkyd Technology (summary and podcast)
  • For Small Business
    BioAmber, Inc.
    Integrated Production and Downstream Applications of Biobased Succinic Acid (summary and podcast)
  • For Academic
    Professor Bruce H. Lipshutz of the University of California, Santa Barbara
    Towards Ending Our Dependence on Organic Solvents (summary and podcast)

2010 Award Winners

  • For Greener Synthetic Pathways
    The Dow Chemical Company 
    BASF Corporation 
    Innovative, Environmentally Benign Production of Propylene Oxide via Hydrogen Peroxide (summary and podcast)
  • For Greener Reaction Conditions
    Merck & Co., Inc. 
    Codexis, Inc. 
    Greener Manufacturing of Sitagliptin Enabled by an Evolved Transaminase (summary and podcast)
  • For Designing Greener Chemicals
    Clarke 
    NatularTM Larvicide: Adapting Spinosad for Next-Generation Mosquito Control (summary and podcast)
  • For Small Business
    LS9, Inc. (Acquired by REG LifeSciences LLC) 
    Microbial Production of Renewable PetroleumTM Fuels and Chemicals (summary and podcast)
  • For Academic
    James C. Liao, Ph.D.,  of the University of California, Los Angeles 
    Easel Biotechnologies, LLC 
    Recycling Carbon Dioxide to Biosynthesize Higher Alcohols (summary and podcast)

2009 Award Winners

  • For Greener Synthetic Pathways
    Eastman Chemical Company 
    A Solvent-Free Biocatalytic Process for Cosmetic and Personal Care Ingredients (summary and podcast)
  • For Greener Reaction Conditions
    CEM Corporation 
    Innovative Analyzer Tags Proteins for Fast, Accurate Results without Hazardous Chemicals or High Temperatures (summary and podcast)
  • For Designing Greener Chemicals
    The Procter & Gamble Company 
    Cook Composites and Polymers Company (Chempol® technology acquired by Arkema Coating Resins) 
    Chempol® MPS Resins and Sefose® Sucrose Esters Enable High-Performance Low-VOC Alkyd Paints and Coatings (summary and podcast)
  • For Small Business
    Virent Energy Systems, Inc.  
    BioForming® Process: Catalytic Conversion of Plant Sugars into Liquid Hydrocarbon Fuels (summary and podcast)
  • For Academic
    Professor Krzysztof Matyjaszewski  of Carnegie Mellon University 
    Atom Transfer Radical Polymerization: Low-impact Polymerization Using a Copper Catalyst and Environmentally Friendly Reducing Agents (summary and podcast)

2008 Award Winners

  • For Greener Synthetic Pathways
    Battelle 
    Development and Commercialization of Biobased Toners (summary)
  • For Greener Reaction Conditions
    Nalco Company 
    3D TRASAR® Technology (summary)
  • For Designing Greener Chemicals
    Dow Agrosciences LLC (now CortevaTM Agriscience) 
    Spinetoram: Enhancing a Natural Product for Insect Control (summary)
  • For Small Business
    SiGNa Chemistry, Inc. 
    New Stabilized Alkali Metals for Safer, Sustainable Syntheses (summary)
  • For Academic
    Professors Robert E. Maleczka, Jr.  and Milton R. Smith, III  of Michigan State University 
    Green Chemistry for Preparing Boronic Esters (summary)

2007 Award Winners

  • For Greener Synthetic Pathways
    Professor Kaichang Li  of Oregon State University 
    Columbia Forest Products 
    Hercules Incorporated (now Ashland Inc. )
    Development and Commercial Application of Environmentally Friendly Adhesives for Wood Composites (summary)
  • For Greener Reaction Conditions
    Headwaters Technology Innovation 
    Direct Synthesis of Hydrogen Peroxide by Selective Nanocatalyst Technology (summary)
  • For Designing Greener Chemicals
    Cargill, Incorporated 
    BiOHTM Polyols (summary)
  • For Small Business
    NovaSterilis 
    Environmentally Benign Medical Sterilization Using Supercritical Carbon Dioxide (summary)
  • For Academic
    Professor Michael J. Krische   of the University of Texas at Austin 
    Hydrogen-Mediated Carbon–Carbon Bond Formation (summary)

2006 Award Winners

  • For Greener Synthetic Pathways
    Merck & Co., Inc. 
    Novel Green Synthesis for β-Amino Acids Produces the Active Ingredient in JanuviaTM (summary)
  • For Greener Reaction Conditions
    Codexis, Inc. 
    Directed Evolution of Three Biocatalysts to Produce the Key Chiral Building Block for Atorvastatin, the Active Ingredient in Lipitor® (summary)
  • For Designing Greener Chemicals
    S.C. Johnson & Son, Inc. 
    GreenlistTM Process to Reformulate Consumer Products (summary)
  • For Small Business
    Arkon Consultants 
    NuPro Technologies, Inc. (now Eastman Kodak)
    Environmentally Safe Solvents and Reclamation in the Flexographic Printing Industry (summary)
  • For Academic
    Professor Galen J. Suppes of University of Missouri-Columbia 
    Biobased Propylene Glycol and Monomers from Natural Glycerin (summary)

2005 Award Winners

  • For Greener Synthetic Pathways
    Archer Daniels Midland Company 
    Novozymes 
    NovaLipidTM: Low Trans Fats and Oils Produced by Enzymatic Interesterification of Vegetable Oils Using Lipozyme® (summary)
  • For Greener Synthetic Pathways
    Merck & Co., Inc. 
    A Redesigned, Efficient Synthesis of Aprepitant, the Active Ingredient in Emend®: A New Therapy for Chemotherapy-Induced Emesis (summary)
  • For Greener Reaction Conditions
    BASF Corporation 
    A UV-Curable, One-Component, Low-VOC Refinish Primer: Driving Eco-Efficiency Improvements (summary)
  • For Designing Greener Chemicals
    Archer Daniels Midland Company 
    Archer RCTM: A Nonvolatile, Reactive Coalescent for the Reduction of VOCs in Latex Paints (summary)
  • For Small Business
    Metabolix, Inc. (now Yield10 Bioscience)
    Producing Nature's Plastics Using Biotechnology (summary)
  • For Academic
    Professor Robin D. Rogers  of The University of Alabama 
    A Platform Strategy Using Ionic Liquids to Dissolve and Process Cellulose for Advanced New Materials (summary)

2004 Award Winners

  • For Greener Synthetic Pathways
    Bristol-Myers Squibb Company 
    Development of a Green Synthesis for Taxol® Manufacture via Plant Cell Fermentation and Extraction (summary)
  • For Greener Reaction Conditions
    Buckman Laboratories International, Inc. 
    Optimyze®: A New Enzyme Technology to Improve Paper Recycling (summary)
  • For Designing Greener Chemicals
    Engelhard Corporation (now BASF Corporation) 
    Engelhard RightfitTM Organic Pigments: Environmental Impact, Performance, and Value (summary)
  • For Small Business
    Jeneil Biosurfactant Company
    Rhamnolipid Biosurfactant: A Natural, Low-Toxicity Alternative to Synthetic Surfactants (summary)
  • For Academic
    Professor Charles A. Eckert and Professor Charles L. Liotta  of Georgia Institute of Technology 
    Benign Tunable Solvents Coupling Reaction and Separation Processes (summary)

2003 Award Winners

  • For Greener Synthetic Pathways
    Süd-Chemie Inc. (now Clariant) 
    A Wastewater-Free Process for Synthesis of Solid Oxide Catalysts (summary)
  • For Greener Reaction Conditions
    DuPont 
    Microbial Production of 1,3-Propanediol (summary)
  • For Designing Greener Chemicals
    Shaw Industries, Inc. 
    EcoWorxTM Carpet Tile: A Cradle-to-Cradle Product (summary)
  • For Small Business
    AgraQuest, Inc. (now Bayer CropScience) 
    Serenade®: An Effective, Environmentally Friendly Biofungicide (summary)
  • For Academic
    Professor Richard A. Gross  of Rensselaer Polytechnic Institute
    New Options for Mild and Selective Polymerizations Using Lipases (summary)

2002 Award Winners

  • For Greener Synthetic Pathways
    Pfizer, Inc. 
    Green Chemistry in the Redesign of the Sertraline Process (summary)
  • For Greener Reaction Conditions
    Cargill Dow LLC (now NatureWorks LLC) 
    NatureWorksTM PLA Process (summary)
  • For Designing Greener Chemicals
    Chemical Specialties, Inc. (now Viance) 
    ACQ Preserve®: The Environmentally Advanced Wood Preservative (summary)
  • For Small Business
    SC Fluids, Inc.
    SCORR – Supercritical CO2 Resist Remover (summary)
  • For Academic
    Professor Eric J. Beckman  of the University of Pittsburgh
    Design of Non-Fluorous, Highly CO2-Soluble Materials (summary)

2001 Award Winners

  • For Greener Synthetic Pathways
    Bayer Corporation
    Bayer AG (technology acquired by LANXESS) 
    BaypureTM CX (Sodium Iminodisuccinate): An Environmentally Friendly and Readily Biodegradable Chelating Agent (summary)
  • For Greener Reaction Conditions
    Novozymes North America, Inc. 
    BioPreparationTM of Cotton Textiles: A Cost-Effective, Environmentally Compatible Preparation Process (summary)
  • For Designing Greener Chemicals
    PPG Industries 
    Yttrium as a Lead Substitute in Cationic Electrodeposition Coatings (summary)
  • For Small Business
    EDEN Bioscience Corporation (technology acquired by Plant Health Care, Inc.) 
    Messenger®: A Green Chemistry Revolution in Plant Production and Food Safety (summary)
  • For Academic
    Professor Chao-Jun Li   of McGill University 
    Quasi-Nature Catalysis: Developing Transition Metal Catalysis in Air and Water (summary)

2000 Award Winners

  • For Greener Synthetic Pathways
    Roche Colorado Corporation (now CordenPharma Colorado) 
    An Efficient Process for the Production of Cytovene, a Potent Antiviral Agent (summary)
  • For Greener Reaction Conditions
    Bayer Corporation (now Covestro) 
    Bayer AG
    Two-Component Waterborne Polyurethane Coatings (summary)
  • For Designing Greener Chemicals
    Dow AgroSciences LLC   
    SentriconTM Termite Colony Elimination System, A New Paradigm for Termite Control (summary)
  • For Small Business
    RevTech, Inc.
    EnvirogluvTM: A Technology for Decorating Glass and Ceramicware with Radiation-Curable, Environmentally Compliant Inks (summary)
  • For Academic
    Professor Chi-Huey Wong  of The Scripps Research Institute   
    Enzymes in Large-Scale Organic Synthesis (summary)

1999 Award Winners

  • For Greener Synthetic Pathways
    Lilly Research Laboratories 
    Practical Application of a Biocatalyst in Pharmaceutical Manufacturing (summary)
  • For Greener Reaction Conditions
    Nalco Company 
    The Development and Commercialization of ULTIMER®: The First of a New Family of Water-Soluble Polymer Dispersions (summary)
  • For Designing Greener Chemicals
    Dow AgroSciences LLC 
    Spinosad: A New Natural Product for Insect Control (summary)
  • For Small Business
    BioFine, Inc. (now DPS BioMetics, Inc.)
    Conversion of Low-Cost Biomass Wastes to Levulinic Acid and Derivatives (summary)
  • For Academic Award
    Professor Terry Collins of Carnegie Mellon University
    TAMLTM Oxidant Activators: General Activation of Hydrogen Peroxide for Green Oxidation Technologies (summary)

1998 Award Winners

  • For Greener Synthetic Pathways
    Flexsys America L.P. (now Eastman Chemical Company) 
    Elimination of Chlorine in the Synthesis of 4-Aminodiphenylamine: A New Process That Utilizes Nucleophilic Aromatic Substitution for Hydrogen (summary)
  • For Greener Reaction Conditions
    Argonne National Laboratory 
    Novel Membrane-Based Process for Producing Lactate Esters – Nontoxic Replacements for Halogenated and Toxic Solvents (summary)
  • For Designing Greener Chemicals
    Rohm & Haas Company (now a subsidiary of The Dow Chemical Company) 
    Invention and Commercialization of a New Chemical Family of Insecticides Exemplified by CONFIRMTM Selective Caterpillar Control Agent and the Related Selective Insect Control Agents MACH 2TM and INTREPIDTM (summary)
  • For Small Business
    PYROCOOL Technologies, Inc.
    Technology for the Third Millennium: The Development and Commercial Introduction of an Environmentally Responsible Fire Extinguishment and Cooling Agent (summary)
  • For Academic
    Professor Barry M. Trost  of Stanford University 
    The Development of the Concept of Atom Economy (summary)
  • For Academic
    Dr. Karen M. Draths and Professor John W. Frost  of Michigan State University
    Use of Microbes as Environmentally Benign Synthetic Catalysts (summary)

1997 Award Winners

  • For Greener Synthetic Pathways
    BHC Company (now BASF Corporation) 
    BHC Company Ibuprofen Process (summary)
  • For Greener Reaction Conditions
    Imation (technology acquired by Eastman Kodak Company) 
    DryViewTM Imaging Systems (summary)
  • For Designing Greener Chemicals
    Albright & Wilson Americas (now Rhodia, a member of the Solvay Group) 
    THPS Biocides: A New Class of Antimicrobial Chemistry (summary)
  • For Small Business
    Legacy Systems, Inc. (now Modutek Corporation)
    ColdstripTM, A Revolutionary Organic Removal and Wet Cleaning Technology (summary)
  • For Academic
    Professor Joseph M. DeSimone of the University of North Carolina (UNC) and North Carolina State University (NCSU) 
    Design and Application of Surfactants for Carbon Dioxide (summary)

1996 Award Winners

  • For Greener Synthetic Pathways
    Monsanto Company 
    Catalytic Dehydrogenation of Diethanolamine (summary)
  • For Greener Reaction Conditions
    The Dow Chemical Company 
    100 Percent Carbon Dioxide as a Blowing Agent for the Polystyrene Foam Sheet Packaging Market (summary)
  • For Designing Greener Chemicals
    Rohm & Haas (now a subsidiary of The Dow Chemical Company) 
    Designing an Environmentally Safe Marine Antifoulant (summary)
  • For Small Business
    Donlar Corporation (NanoChem Solutions, Inc., part of Flexible Solutions) 
    Production and Use of Thermal Polyaspartic Acid (summary)
  • For Academic
    Professor Mark Holtzapple  of Texas A&M University
    Conversion of Waste Biomass to Animal Feed, Chemicals, and Fuels (summary)
Contact Us to ask a question, provide feedback, or report a problem.
United States Environmental Protection Agency

Discover.

  • Accessibility
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data.gov
  • Inspector General
  • Jobs
  • Newsroom
  • Open Government
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.

Last updated on April 28, 2022