Analysis objects: 
Common species in PHOTO area: PGME, PGMEA, cyclohexanone, Benzyl alcohol, etc
Common species in the stripping area: DMSO, NMP, DMAC, etc
Common species in cells: NMP, Butyrolactone, etc
Other species can be identified by comparison of mass spectrometer NIST spectrum library. 

                      Organic analysis room                                                                GC separation map