PAH Standard (50 ppm) Back Catalog number: 98654 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678311 Dichlofenthion, 10 µg/ml, Acetonitrile, 10ml Price on request T-PFOA Technical Ammonium Perfluorooctanoate, 1.2ml x 50ug/ml, methanol Price on request 12192.20-10-2AN Ochratoxin A CRM,10 µg/mL,acetonitrile,2mL, Price on request