Chloridazon-d5, 10µg/ml in Acetonitrile, 5ml

2,2',3,3',4,5,5',6,6'-Nonachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Fenpropathrin

Imidacloprid, 100µg/ml in methanol, 1ml