Semi-Volatile Standard Back Catalog number: 94179 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20950018AL PAH-Mix 18, 10 ng/µl, 10ml Price on request 673205 Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml Price on request 91967 Aroclor 1242 Price on request