Erythromycin, 100 µg/ml, Methanol, 5ml

n-Dodecane-d26, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 16416-30-1

2,3,3',4,5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

PAH Mix 525, 100µg/mL in Acetone, 1ml