EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33371 Methylcyclohexane Price on request 66146 2,2’,3,4’,5,5’-Hexachlorobiphenyl Price on request 2235.17-2-5AN Aflatoxin G1, 2µg/mL, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 1165-39-5 Price on request