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

Formothion, 10.0 µg/ml, Cyclohexane, 10ml

Hexachloro-1,3-butadiene-13C4,100 µg/mL,isooctane,1mL,

d2 C28 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-81-3