EPA Method 507Mix #7 Back Catalog number: 91185 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2514.7-K-ME 4-Hydroxybenzoic acid, 1000µg/mL in MeOH, 1ml Price on request MPCB-MXI Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane Price on request 1975.12-50-IO 2,2',3,4,4',5,5',6'-Octabromodiphenyl ether, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 337513-72-1 Price on request