Internal Standard - Surrogate Mix

4-Methyl-2-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 26207-06-7

Di-iso-decyl phthalate in mixture with C9-11-branched alkyl o-phthalate, C10 rich, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 68515-49-1

O,O-Dimethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml