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The Working Groups are the backbone of the voluntary 3-A SSI consensus document development process. The bulk of the standards development work is carried out by balanced Ad Hoc Working Groups, consisting of experts representing fabricators of related types of equipment, systems, and materials and representatives of the users and public interest/regulatory professionals stakeholder groups. Ad Hoc Working Groups draft all documents in a format and style provided by the Guidance Document for the Development of 3-A Sanitary Standards and Accepted Practices With Examples of Text for Criteria.
Download a copy of Procedures for the Development and Maintenance of 3-A Sanitary Standards and 3-A Accepted Practices
Download a copy of Guidance Document for the Development of 3-A Sanitary Standards and Accepted Practices With Examples of Text for Criteria
Note: 3-A Sanitary Standards, Inc. (3-A SSI) has moved to an “A- and B-level” document hierarchy. With an A/B level standards system, the general overall equipment sanitary requirements are contained in a master, or base, “A-level” General Requirements Standard. The technical requirements unique to the specific equipment within the scope of the standard are contained in the “B-level” Standard.
Review proposed revisions and share your input before the deadline.
Comments Accepted Oct. 1 to Nov. 16, 2026
Proposal B-57-02-A (N657) brings 57-02 into alignment with the 3-A Sanitary Standard for General Requirements (00-02), the hygienic design baseline that every 3-A equipment standard builds on. The decisions made here will shape how disc-type valves are designed, built and inspected for years to come.
Apply to observe a working group.
Thanks to the passionate 3-A SSI community, all voting seats on the upcoming Working Groups are filled.
Still interested? Volunteer to join a Working Group as an observer. Get real-time insight on the direction of technical discussions affecting Standards for equipment that matters to you.
The 3-A Sanitary Standards and 3-A Accepted Practices development process relies on the expertise of volunteers who participate in Ad Hoc Working Group meetings.
Participation will expand your knowledge, provide a forum for your voice to beheard, and help establish relationships with colleagues throughout your industry.
Do you have questions? Contact Eric Schweitzer at
erics@3-a.org.
Stay Up-to-date
This report lists projects the 3-A SSI Ad Hoc Working Groups are currently undertaking. It is updated on a routine basis.
Report updated 10/14/2026.
READ the ReportSuggest a new standard or modification
Submit a project proposal form to modify, create, or withdraw a 3-A Sanitary Standard or Accepted Practice. Your request will be reviewed by the 3-A Steering Committee for approval. After your request is processed, you will be informed whether or not it has been forwarded to the appropriate Working Group.
