Our Mission: to enhance and promote effective State and Territorial programs and to affect relevant national policies for waste and materials management, environmentally sustainable practices, and environmental restoration.

Upcoming Events

ASTSWMO Acknowledgement

ASTSWMO statement on former Region 9 ASTSWMO Board Member Ameko Pato of American Samoa. Click here to view.

Recent Publications

New and Updated UST Compliance Performance Measures Webinar

(8/8/2018) - EPA OUST and ASTSWMO Tanks Subcommittee members share information on new Technical Compliance Rate (TCR) Performance Measures issued in response ... Read More

State Involvement in Five-Year Reviews at Federal Facilities

(7/18/2018) - The goal of the five-year review is to evaluate the implementation and performance of the selected remedy and to ensure ... Read More

State Concerns with the Process of Identifying Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) Applicable, or Relevant and Appropriate Requirements

(2/28/2018) - Over the last five years, the Association of State and Territorial Solid Waste Management Officials’ (ASTSWMO) CERCLA and Brownfields (CaBS) ... Read More

Recent News

  • We have a new tool to view recent PFAS news. To learn more click here
  • Release by ATSDR of Draft PFAS Toxicological Profile for Public Comment
    Comments due to ATSDR by July 23, 2018

    The notice by the Agency for Toxic Substances and Disease Registry (ATSDR), “Availability of Draft Toxicological Profile: Perfluoroalkyls”, was published in the Federal Register on June 21, 2018. The profile includes minimal risk level values (MRLs) for Perfluoroalkyls. The link to the PDF file of the Federal Register notice is here

    The draft profile, an initial set of FAQs developed by ATSDR and other web resources are available on the ATSDR website here.

  • Oklahoma Receives EPA Approval of State CCR Permit Program

    On June 18, 2018, EPA announced its approval of Oklahoma’s coal combustion residuals (CCR) permit program. Oklahoma is the first State to receive such approval. More information can be found on the EPA website here


Click here to view our most recent newsletter. To see our previous newsletters follow this link. To be added to our newsletter please fill out or contact form on our Contact Us page.


2 months ago
8 months ago


4 days ago
Our statement on former member Ameko Pato of American Samoa: https://t.co/KgfTYYcm16
1 month ago
one word: WOW!!!! She cut her weekly trash down so much it fits in an unbelievably small jar https://t.co/0AhifCULAN
2 months ago
CNMI Voting Member, Ray Masga talking about hotel development in Saipan as we get a tour of the W Hotel @WHotels in San Francisco. The greenest hotel in SF! https://t.co/uKqMwILEp3 ASTSWMO photo
2 months ago
Congrats to our member @OklahomaDEQ for being the first State to be approved to run a federally approved coal ash permit program!!
2 months ago
Here at Region 9 Territories meeting in San Francisco and happy to have our voting members from American Samoa, Ameko Pato and from Guam, Conchita Taitano!!! https://t.co/WpDelNHXGY ASTSWMO photo

Become a Member

To become a member please download, review, and fill out the form below. When you complete it please email it to the appropriate ASTSWMO staff (listed at the top the form).

New Member Form

Members in Action Guidance Document

Lifetime Achievement Award

In 2002, ASTSWMO instituted the ASTSWMO Lifetime Achievement Award, to recognize an outstanding individual who has worked in State government in the areas of solid and hazardous waste management, sustainability/materials management, underground storage tanks, or contaminated site clean-up.

The purpose of the award is to recognize work done on behalf of the States and in furtherance of ASTSWMO’s mission to enhance and promote effective State and Territorial programs for waste and materials management, to encourage environmentally sustainable practices, and to affect relevant national waste and materials management policies.

Click here for the full description and a list of past winners.