2,4-Dimethylhexane

Di-iso-nonyl phthalate in mixture with C8-10-branched alkyl o-phthalate , C9-rich, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 68515-48-0

4-Nonylphenol-mono-ethoxylate, 10.0 µg/ml, Methan

EPA Method 551.1 Internal Standard