Atrazine-d5 (ethyl-d5),1000 µg/mL,acetonitrile,1mL,

2,4-Dimethylpyridine,neat,neat,100mg,

n-Butyl benzyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 85-68-7

Fenamiphos-sulfone, 100 µg/ml, Toluene, 5ml