The monthly progress report summarizes the work done on an RB project wastewater treatment system until June 15th. Key activities included cleaning the septic tank, installing the aeration header and diffusers, fabricating supports for piping and trays, constructing a pit for the bar screen, installing the blower, setting up bioreactor and membrane tank piping including pumps and valves, and placing foundations for equipment. Some items were missing from shipments including bolts, gaskets, flanges and fittings.