EPA Method 548 Analyte Back Catalog number: 30147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32161 1,2-Dibromoethane Price on request 0344.18-K-IO 4-n-Hexylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59662-31-6 Price on request 1157.37-10MG n-Heptatriacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7194-84-5 Price on request