PAH contaminated soil from a site in the Western Region of the United States. Certified valuesAcenaphthene. 4,60 mg/kg Fluoranthene . 22,1 mg/kg Benzo(a)anthracene . 12,1 mg/kg Fluorene 13,0 mg/kg Benzo(b)Fluoranthene 0,930 mg/kg Naphthalene 1,34 mg/kg