Phthalic acid, bis-2-ethylhexyl ester, certified, 0.5g

Aldosterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 52-39-1

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

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane