Owners of sewage treatment works; land application, marketing, or distributing of sewage sludge.
What changed between versions
Replaced the separate analysis of PFOS and PFOA with a combined concentration limit for a new tier of restrictions effective July 1, 2029.
Added a requirement that blended sewage sludge be tested using mass-balance calculations instead of requiring new representative samples.
Expanded the Department's work group recommendations to include a PFAS sampling program for groundwater and surface water.
Clarified that permit modifications for PFAS compliance will bypass standard regulatory procedures to expedite the process.
Extended the requirement to provide PFAS analysis results to include sludge sourced from treatment works located outside the Commonwealth.
Added a new effective date of July 1, 2029, for stricter combined PFOS and PFOA concentration limits.
Changed the text to explicitly include 'marketing' and 'distribution' of sewage sludge alongside land application in the scope of PFAS testing requirements.