Naphthalene, 10µg/ml in Acetonitrile, 10ml

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,100mg,

Surrogate Mix 1601,12 2-Fluorbiphenyl [321-60-8] 1313,10 1-Fluornapthalene [321-38-0] 2000µg/ml each in DCM, 5ml

2-Chlorophenol, 100 µg/ml, Acetonitrile, 5ml