Esfenvalerate, 10.0 µg/ml, Ethyl acetate, 10ml

(+)-α-1S,2S,5R,6S,9S,10R-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene

4-Hydroxychrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 63019-40-9

1,4,5-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane