EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680949 Neohesperidin dihydrochalcone hydrate, 100mg Price on request CLM-4512-1.2 p-n-Nonylphenol Monoethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml Price on request 57030 Zinc (Zn) Price on request