GC/MS Calibration Standard

beta-Cyfluthrin, 10.0 µg/ml, Ethyl acetate, 10ml

3'-Fluoro-2,4-dibromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

1,1,2,2-Tetrachloroethane