2,4-D, 100 µg/ml, Acetonitrile, 5ml

Tetrabromo[13C6]phthalic anhydride, 1.2ml x 50ug/ml, toluene

Tetra-n-propyltin-d7 (mono-n-propyl-d7), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

3,3',4,5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 70362-49-1