Spiking Standard #2 Back Catalog number: 52070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33042 EPA Method 531.1 - Analytes Mixture Price on request 8108.18-250MG 2,4,6-Tri-tert-butylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 732-26-3 Price on request 678504 Sulfotep, 100 µg/ml, Acetonitrile, 1ml Price on request