trans-Nonachlor, 100 µg/ml, Acetonitrile, 1ml

13C3-Hexafluoropropylene oxide dimer acid, 50µg/ml in MeOH, 1,2ml

PCB No. 209, 100µg/mL in Isooctane, 10ml

Acrinathrin, 100 µg/ml, Ethyl acetate, 5ml