EPA Method 525.1 Standard Back Catalog number: 94572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1517.11-K-IO 2-(1-Methylbutyl)phenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87-26-3 Price on request 79539 2,4,5-TP acid (Silvex) Price on request 10824.16-100MG Cefotaxime sodium salt, 100mg Price on request