Membrane and Module Autopsy. The physical dissection of a reverse osmosis (RO) element or microfiltration/ultrafiltration (MF/UF) module and the resulting analysis of its foulants can be one of the most definitive methods of troubleshooting a system.Identifying the cause of performance loss is only part of this valuable service.he physical dissection of a reverse osmosis (RO) element or microfiltration/ultrafiltration (MF/UF) module and the resulting analysis of its foulants can be one of the most definitive methods of troubleshooting a system. Identifying the cause of performance loss is only part of this valuable service.
The 2012 Benghazi attack took place on the evening of September 11, 2012, when Islamic militants attacked the American diplomatic compound in Benghazi, Libya, killing U.S. Ambassador J. Christopher Stevens and U.S. Foreign Service Information Management Officer Sean Smith.
Main article: 2012 Benghazi attack. Four Americans died in the 2012 Benghazi attack: Ambassador Chris Stevens, Information Officer Sean Smith, and two CIA operatives, Glen Doherty and Tyrone Woods, both former Navy SEALs. Stevens is the first U.S. ambassador killed in an attack since Adolph Dubs was killed in 1979.