Supplemental PAH Standard Back Catalog number: 94193 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683777 trans-Permethrin, 10.0 µg/ml, Cyclohexane, 10ml Price on request 70910 n-Propylamine Price on request 677508 Chlorobenzilate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request