EPA Method 531.2 - Analytes Back Catalog number: 34042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8423.10-100-AN Pyrazon, 100µg/mL, Solvent-acetonitrile, Unit 1.1mL, # of units-1, Cas.no. 1698-60-8 Price on request MPCB-MXF Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane Price on request 79607 1,2-Dimethylnaphthalene Price on request