Atrazine, 100 µg/ml, Ethyl acetate, 5ml

n-Heptadecane-d36, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 39756-35-9

Chlorfenvinphos, 10 ng/µl, 10ml

1,2,3,6,7,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane