EPA 1638Mix A Back Catalog number: 52144 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682204 D5-Taleranol, 10.0 µg/ml, Acetonitrile, 1ml Price on request 0431.13-K-IO 3-Methylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 643-93-6 Price on request 679450 Metolachlor, 100 µg/ml, Methanol, 1ml Price on request