EPA Method 548 Calibration Solution Back Catalog number: 30050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11671.12-100-IO 2,2',4-Trichlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request MCPS Mass-Labelled Chlorophenol Solution/Mixture, 1.2ml, isooctane Price on request 675323 Zoxamide, 10.0 µg/ml, Acetonitrile, 10ml Price on request