WO2007084561-A3  See also references of EP 2033248A2;  See also references of EP 2033248A4EP2033248-A2  See also references of WO 2007084561A2US8066288-B2  Garzon, F.H. et al; The impact of impurities on long term PEMFC performance; presentation preprint for 216th ECS Meeting, Vienna Austria, (Oct. 2009). Included with Applicants' response filed Sep. 9, 2010.;  Schulze, M. et al; Degradation of Sealings for PEFC test cells . . . ; Journal of Power Sources; 127, 222-229 (2004). Included with Applicants' response filed Sep. 9, 2010.;  Cheng, X. et al; A review of PEM hydrogen fuel cell contamination, . . . ; Journal of Power Sources; 165, 2, 739-756, (Mar. 2007) states that over 150 articles on the subject of fuel cell contamination were reviewed. Included with Applicants' response filed Sep. 9, 2010.;  Molter, Trent M.; The effects of impurities on fuel cell performance and durability; (May 2007). Effects of fuel and air impurities on PEM fuel cell performance; 2008 DOE Hydrogen Program Review; presented by Fernando Garzon, Los Alamos National Laboratory, (Jun. 2008). Included with Applicants' response filed Sep. 9, 2010.;  St-Pierre, Jean, et al.; Successful Demonstration of Ballard PEMFCS. . . ; Journal of New Materials for Electrochemical Systems; 5, 263-271 (2002). Included with Applicants' response filed Sep. 9, 2010.;  Kelly, M.J. et al; Conductivity of polymer electrolyte membranes . . . ; Solid State Ionics; 176, 25-28, 2111-2114 (Aug. 2005). Included with Applicants' response filed Sep. 9, 2010.;  Cheng, X. et al; A review of PEM hydrogen fuel cell contamination, . . . ; Journal of Power Sources; 165, 2, 739-756, (Mar. 2007). Included with Applicants' response filed Sep. 9, 2010.;  Molter, Trent M.; The effects of impurities on fuel cell performance and durability; (May 2007). Included with Applicants' response filed Sep. 9, 2010.;  Wu, J. et al; A review of PEM fuel cell durability: . . . ; Journal of Power Sources; 184, 105-119, 107, (Jun. 2008). Included with Applicants' response filed Sep. 9, 2010.;  Zhang, X. et al; Contamination of membrane-electrode assemblies by ammonia . . . ; presentation preprint for 216th ECS Meeting, Vienna Austria, (Oct. 2009). Included with Applicants' response filed Sep. 9, 2010.;  Privette, R.M. et al; 2.5 MW PEM fuel cell system for Navy ship service power, paper presented at the 1999 Review Conference on Fuel Cell Technology (1999). Included with Applicants' response filed Sep. 9, 2010.;  Hoffman, Donald; Marine Fuel Cells; Marine Vessel and Air Quality Conference; Feb. (2001). Included with Applicants' response filed Sep. 9, 2010.;  Cleghorn, S.J.C. et al; A polymer electrolyte fuel cell life test . . . ; Journal of Power Sources; 158, 446-454, 453 (2006). Included with Applicants' response filed Sep. 9, 2010.