Arsenic (As)

2-(4-Nonylphenoxy)acetic acid isomer mixture, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 3115-49-9

PCB Congeners & Hexachlorobenzene Mix #2

Endosulfan (techn.), 10µg/ml in Cyclohexane, 10ml