Di-iso-butyl phthalate, 1000µg/ml in Isooctane, 5ml

Perfluoro-n-[1,2-13C2]dodecanoic acid, 1.2ml x 50ug/ml, methanol

delta-Hexabromocyclododecane,50 µg/mL,toluene,1mL,

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 10 x 1ml