Fipronil, 100µg/mL in Acetonitrile, 1ml

2,2',3,3',5,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

4-Nonylphenol-mono-ethoxylate, 10.0 µg/ml, Aceton

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene