delta-HCH, 100 µg/ml, Methanol, 5ml

Chloramben, 100 µg/ml, Acetonitrile, 5ml

Heptenofos,100 µg/mL,MeOH,1mL,

2,4-D (13C6, 99%) 100µg/mL in Acetonitrile, 1,2ml