Method 1640 Tuning Standard

17 alpha(H),21ß(H)-(22S)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0

Mandipropamid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 374726-62-2

2,2',3,3',5,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,