EPA Method 548.1 Analyte Back Catalog number: 30177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16168000 Phthalic acid, benzylbutyl ester, certified, 0.25g Price on request 3316.10-100-AN Bentazone Price on request 9388.12-25MG 2,2',5,6'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25MG, # of units-1, Cas.no. 41464-41-9 Price on request