EPA 1620 Standard 1

4,4'-DDT, 100 µg/ml, Acetonitrile, 5ml

4,6-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1207-12-1

9-Fluorenone, 250mg