Mefenacet, 100 µg/ml, Acetonitrile, 1ml

Tenuazonic acid mixture of diastereomers, 100 µg/m

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

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