 BioLargo begins testing source waters from prospective clients with its PFAS treatment technology WESTMER, CA ACCESSWIRE July 26, 2021 BioLargo, Inc. OTCQB:BLGO, a developer of sustainable technologies and full-service environmental engineering company, announced that two potential clients a major municipality in Southern California and a federal government agency are sending it PFAS-contaminated water samples to be treated by BioLargos AEC water treatment system. This is the first step of BioLargos multi-phased commercial approach: 1 off-site treatment of client supplied water, 2 on-site pilot treatment at client location, and 3 full-scale operation. 