Tag Archives: Health Advisory Limits

PFOA and PFOS – Emerging Contaminants

 PFOA & PFOS are the latest in the growing list of contaminants affecting drinking water.  I attended a Calgon Carbon seminar to catch up on the recent recommendations. Here are some takeaways you might find helpful: System Design for Optimal Removal of PFOA & PFOS Empty Bed Contact Time – 10 minutes minimum. Lead-lag design should […]