PAH/PCB Internal Standard Mix 3 0711,10 Naphthalene 0002,12 Acenaphthylene 0732,12 Acenaphthene 0217,13 Fluorene 0816,14 Phenanthrene 1049,14 Anthracene 0260,16 Fluoranthene 0235,16 Pyrene 0201,18 Benz[a]anthracene 0212,18 Chrysene 0274,24