Catechol

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1

Chlorobenzene

AHTN (Tonalid), 100 µg/ml, Cyclohexane, 5ml