2-Nitrophenol, 100 µg/ml, Methanol, 1ml

2,2',4,5,5'-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 37680-73-2

Sodium perfluoro-6-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol

Trichlorfon, 10 µg/ml, Cyclohexane, 10ml