4-n-Nonylphenol monoethoxylate, 1000µg/ml in Isooctane, 1ml

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 10x10mL

4-Chloro-2-methylphenol

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane