Custom mix of C20-C22 PAHs 0263.20 Benzo[b]fluoranthene 0,345 µg/mL 0265.20 Benzo[k]fluoranthene 0,124 0239.20 Benzo[a]pyrene 0,225 0277.22 Indeno[1,2,3-cd]pyrene 0,127 0222.22 Benzo[ghi]perylene 0,189 0203.22 Dib