Combined Window Defining/TCDD Resolution Mix, 1.2ml, nonane

Phthalic acid ester - Mix 7, 1000g/ml in IO, 5ml

Flufenacet ESA sodium salt, 100µg/ml in MeOH, 1ml

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