May 4, 2010. Agency FOIA professionals typically find that working collaboratively and sharing experiences with fellow access professionals can be quite beneficial. To facilitate the exchange of ideas and information between agencies, OIP is convening two FOIA Working Groups. As agencies enter into their second year of work in improving the administration of the FOIA in accordance with the President's Memorandum on the FOIA and the Attorney General's FOIA Guidelines, this is an appropriate time for agencies to build on the successes of one another.
In a concerted effort to learn more. about the weathering characteristics. of TPO (thermoplastic polyolefin) sin -. gle ply roof membranes, WSRCA. began an in situ testing program dur -. ing the year 2000.
Features. EPDM roofing is a single-ply rubber membrane ranging from about 45mm to 60mm in thickness. It's available in rolls as wide as 50 feet, though many rubber roofs require much narrower EPDM materials.