START08/pre-HIPPO RF13 Missed approaches in Louisiana and Indiana and sampling over Gulf of Mexico First flight of 2nd phase Fridge trap bypassed, 24" U traps, 1/2" main trap 18:17-20 CO2 down, O2 up, CO down, H2O down 19:03 low over AEX, CO2 down, then up with NOy = pollution 19:30-37 CO2 low, O2 high, NOy high, CO low = storm outflow 21:40 5000 ft/min descent 22:44-46 switched to WT to vary and check inlet flows 22:55:45-22:11:35 switched to WT to vary and check inlet flows 00:01 Power plant (?) plume Inlet as 1/8" stainless steel with first pressure control at inlet bulkhead 4-way in AFT position