200µg/mLofeachanalytein50%Methylenechloride(D2,99.9%)and50%Methanol(D2,99.8%). Acenaphthylene(D8,98%) Naphthalene (D8,98%)Benzo(ghi)perylene(D12,99%) Phenanthrene (D10,98%)Benzo(a)pyrene(D12,98%) Pyrene (D10,98%) Fluoranthene(D10,98%)