PFAS in Biosolids: A Southern Arizona Case Study

Rationale for Study

PFAS are fluorinated compounds that comprise a family of anthropogenic chemicals used for decades to make products resistant to heat, oil stains, grease, and water. Of these, perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) have been the most prominently used in the U.S. PFAS are now regarded by EPA to be “emerging contaminants”.

Regulations Corner - July 2020

WA State General Permit for Biosolids

The Washington State Dept. of Ecology announced their determination that the general permit under WAC-173-308 is the best approach to implementing the statewide program. This is following a complete review of comments, of which Northwest Biosolids comments were included, on the preliminary notice to issue a revised general permit.

Regulations Corner - June 2019

Regulations Corner

Proposed Biosolids Project in Yelm

The proposed biosolids land application project in Yelm (WA) has a coordinated anti-biosolids community group. The land owner for the proposed project recently cancelled their involvement.

Among the community group's efforts, Preserve the Commons has: