EPA Method 8141A/1657 - Analytes Back Catalog number: 92800 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11164.17-10MG Promazine hydrochloride,neat,neat,10mg, Price on request 11989.20-K-ME 2-(1-Hydroxypropyl)promazine,1000 µg/mL,MeOH,1mL, Price on request 18000-1161-100AN5 Vitamin B2, 100µg/ml in Acetonitrile, 5ml Price on request