Hi, Jeff, --picked up aero4/cb05/harmonized n2o5 hydrolysis pathway-- /meso/save/wx20jy/cctmm/BLD_u4a May9, 2008 An updated stenex lib copied from yours is in: /meso/save/wx20pl/5x_Project/nwpara/sorc/aqm_se-rc4n.fd at around march 18, 2008. Thanks. Pius