Heptenophos, 100 µg/ml, Toluene, 1ml

13C6-Sulfamethazine, 10mg

2-n-Propyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-30-1

2-Hydroxypyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 78751-58-3