20140513 flight notes Jeff Peischl L1 point 2 vertical profile, cloud base ~8000 ft. 17:25 gas plant plume 17:46 drilling activity 17:46:20 flare L2 vertical profile, cloud deck ~11600 ft. 21:27 gas plant plume 22:13 possible BC correlation with ethane from flare 22:32 smoky flare, possible ethane and BC enhancement