EPA Method 6020 / 6020A - Mix B Back Catalog number: 53331 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9398.20-K-ME (+/-)-Citalopram-d4 hydrobromide, 1000µg/ml in MeOH, 1ml Price on request 681181 Pyrimidifen, 100 µg/ml, Acetonitrile, 1ml Price on request T774202 Triclocarban-13C6, 1mg Price on request