EPA Method 502/524 Surrogate Standard #1 Back Catalog number: 30070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94101 Semi-Volatile Standard Price on request 1709.19-10MG 2-Methoxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63020-58-6 Price on request 8955.23-100-T 3-Chloro-1,2-propandiol-1-monogadolenate Price on request