EPA Method 507 - Performance Check Solution

Pyraflufen-ethyl, 100mg

17ß(H),21ß(H)-(22RS)-Trishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 71629-80-6

Benzyldimethyloctadecylammonium chloride, 100 µg/m