PAH Standard (20 ppm) Back Catalog number: 98653 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73211 2,5-Dimethoxy-2,5-dihydrofuran (cis, trans mixture) Price on request 71048 2-Methylanthracene Price on request 675742 trans-Chlordane, 100 µg/ml, Ethyl acetate, 5ml Price on request