o,p'-DDD, 200µg/ml in Isooctane, 1ml

Monomethyl phthalate, 100 µg/mL in AcCN, 1ml

d4 Pregnane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-77-7

n-Hexadecane