EPA Method 515.1 Underivatized Back Catalog number: 30040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1852.15-1G 9-Anthracenecarboxylic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 723-62-6 Price on request 97652 n-Hydrocarbon Mix Price on request 59939 Potassium (K) Price on request