Can anyone supply the following SAE Standards: Aircraft Gas Turbine Engine Exhaust Smoke Measurement(STABILIZED Jul 2011) Product Code: ARP1179 Revision Number: D Date Published: 2011-07-19 Procedure for the Continuous Sampling and Measurement of Gaseous Emissions from Aircraft Turbine Engines. Product Code: ARP1256 Revision Number: C Date Published: 2006-11-01// Procedure for the Analysis and Evaluation of Gaseous Emissions from Aircraft Engines. Product Code: ARP1533 Revision Number: B Date Published: 2013-01-03 I will supply our BL customer code and request numbers to anyone who can supply. Regards, Elaine Wilson -- Elaine Wilson InterLibrary Request Service, The University of Sheffield, Western Bank Library, Western Bank, Sheffield. S10 2TN e-mail: [log in to unmask] Tel: 0114 2227251