Internal Standard Solution, 1.2ml, nonane

D16-Bisphenol A, 50mg

2-Isobutyl-3-methoxypyrazine

n-C15/n-C20, Pentadecane/Eicosane (Integration control) 1500 µg Pentadecane and 1000 µg Eicosane in 1mL isooctane n-Pentadecane/n-Eicosane = 3:2