2,3,5,6-Tetrachlorophenol, 1000µg/ml in MeChl, 1ml

Perfluoro-n-[3,4,5-13C3]pentanoic acid, 1.2ml x 50ug/ml, methanol

11H-Benzo[b]fluorene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-17-4

Phorate-oxon, 100 µg/ml, Cyclohexane, 1ml