Amitraz, 1000µg/ml in Acetonitrile, 1ml

1,2-Bis(pentabromophenyl)ethane [13C14], 1.2ml x 25ug/ml, toluene

Phenols Mix

1,1,1,3,10,11-Hexachloroundecane,100 µg/mL,acetone,1mL