New Status: Environmental Health System (EHS) Total Organic Carbon Analyzer (TOCA) R&R: Flight Engineer (FE)-5 Parmitano and FE-6 Nyberg removed the expired TOCA Protoflight Unit (PFU1) from the Water Recovery System (WRS) 1 rack face and installed a new TOCA PFU2. Nyberg then conducted a WRS sample analysis, recorded the data and transferred it to the …


