EPA Method 549.1 Analytes Back Catalog number: 31079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2968.23-25-AN U{15N5}-Meleagrin, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request D491652 5,5-(Diphenyl-d10) Hydantoin, 5mg Price on request 52022 Contract Required Detection Limits (CRI) Mix 1 Price on request