POST FALLS, Idaho — The City of Post Falls announced on Friday that it began a $150,000 maintenance project to improve the odor control system at the Water Reclamation Facility (WRF) located at 2002 ...
DODGE CENTER, Minn. — Wood chips stretched out parallel the entire length of the barn, the only visible part of the biofilter. Biofilters use microorganisms that exist in nature to convert odors to ...