EPA Method 502/524 Surrogate Standard #1 Back Catalog number: 30070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9861.2-100MG N-Methyl-N'-nitro-N-nitrosoguanidine (wetted with ca. 50% water), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 70-25-7 Price on request 2200.10-K-IO 1,2,3,5-Tetramethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 527-53-7 Price on request 96597 Fluoxetine Price on request