15 EU PAH Cocktail , 100µg/m Lin Toluene , 1ml

Erythromycin, 100 µg/ml, Methanol, 5ml

Interference Standard 4

3,6-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1576-67-6