Etrimfos, 100µg/ml in Cyclohexane, 5ml

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

2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

ASTM Benzene Amp#1