Spike Solution #1B

n-Perfluorodecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-76-2

alpha-Methylstyrene, 200 µg/ml, Methanol, 1ml

Medroxyprogesterone 17-acetate, 250mg