Methoxychlor (13C12), 100µg/ml in Nonane, 1,2ml

Mass-Labelled PFCAs and PFSAs Mix, 2µg/ml in MeOH, 1,2ml

Semi-Volatile Standard

alpha alpha alpha (20R,24S)-24-Methylcholestane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-20-6