Propachlor, 100μg/ml in Acetonitrile, 5ml

2H,2H-Perfluorodecanoic acid, 50µg/ml in Acetone, 5ml

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

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,100mg,