EPA Method 515.2Methyl Derivatives Back Catalog number: 30074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0262.20-200-T Benzo[a]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203-33-8 Price on request 682476 Ethoxybenzamide, 100mg Price on request MBP-180 2,2',3,4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request