2,4-D 13C6, 100µg/ml in Acetone, 1ml

2,2',3,3',4,5,5',6-Octachlorobiphenyl,neat,neat,5mg,

2H-Perfluoro-2-decenoic acid (8:2), 1.2ml x 50ug/ml, isopropanol

Pirimiphos-methyl, 100 µg/ml, Toluene, 1ml