Diquat dibromide monohydrate, 100 µg/ml, Water,

525.2 Calibration Standard

2,4,4',5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 32690-93-0

Siloxanes - Mix 7, 10µg/ml in Acetone, 5ml