EPA Method 552.1 - Surrogate Standard Back Catalog number: 31057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681592 Flucarbazone-sodium, 100mg Price on request 677256 D4-3-Amino-2-oxazolidinone, 10mg Price on request 3910.22-1G Carmine, Natural red 4 (E 120), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1390-65-4 Price on request