EPA Method 504.1 Analytes Back Catalog number: 30096 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672959 Gentamicin sulfate salt hydrate, 250mg Price on request 9024.14-K-IO Benzyl-d5 benzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347840-01-1 Price on request 20005 CLP Semi-Volatile Acid Surrogate Standard, 2000µg/ml in MeOH, 1ml Price on request