2,2’,4,4’,6,6’-Hexachlorobiphenyl (155)

Fipronil-desulfinyl, 100 µg/ml, Acetonitrile, 1m

Valve Timing Calibration Mix (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane; units: 1x10mL and 5x10mL Name Wt.% Name Wt.% Benzene 4.5 o-Xylene

Chlorpyrifos oxon