Squalane, 1000µg/ml in Isooctane, 1ml

2,4,4-Trimethylhexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 16747-30-1

Edifenphos, 100 µg/ml, Acetonitrile, 1ml

EPA Method 507 - Internal Standard