Main Page Careers Board Training - Activated Sludge Workshop Calendar Frequently Asked Questions (faqs)


Oregon ACWA WEF NBMA Oregon DEQ Operator Certification


On February 29th 2012 the Water Environment Services of Clackamas County, the Oak Lodge Sanitary District and the Lower Columbia Section held a joint workshop on Activated Sludge. Dale Richwine was the instructor. Dale has offered to make his slides available for review.