CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 20006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70031 Benzo(b)fluoranthene Price on request 1313.10-1G 1-Fluoronaphthalene,neat,neat,1g, Price on request 674588 Fenthion-oxon-sulfone, 10.0 µg/ml, Acetonitrile, Price on request