EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9187.16-100MG Diazepam-d5, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 65854-76-4 Price on request 673070 Diclofenac sodium, 100mg Price on request 3134.9-K-IO Nonanoic acid (Pelargonic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-05-0 Price on request