Atrazine-2-hydroxy, 100µg/mL in MeOH, 1ml

Propoxur, 100 µg/ml, Acetonitrile, 5ml

Hexabromo[13C6]benzene, 1.2ml x 50ug/ml , toluene

2,3,4-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,