PAH Standard Back Catalog number: 91531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L14090000CY Heptachlor, 10µg/mL in Cyclohexane, 10ml Price on request 673330 Iprovalicarb, 10.0 µg/ml, Acetonitrile, 10ml Price on request 97821 Herbicide Acid Standard Price on request