PAH Standard (20 ppm) Back Catalog number: 98653 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDF-238 2,3,8-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 20022 Chlordane, 1000µg/ml in Hexane, 1ml Price on request 674976 Dazomet, 250mg Price on request