Chlormequat chloride, 100 µg/ml, Water, 1ml

2,3,4,5-Tetrabromobenzoic acid [13C6 ring], 1.2ml x 50ug/ml, methanol

Haloxyfop-P, 100 µg/ml, Acetonitrile, 5ml

2,3,4,6,7,8-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL,