EPA Method 8020B Analytes Mix #1 Back Catalog number: 80203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2728.3-100MG N,N-Dimethylguanidine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6145-42-2 Price on request 9839.19-10MG Phenylbutazon, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 50-33-9 Price on request 0010.13-200-T Perinaphthenone, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 548-39-0 Price on request