Fermentation Standard #1 Back Catalog number: 95175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3730.12-50-IO 5'-Fluoro-2,3,3',4,4',5,6-heptachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 673574 Ethoxyquin, 100 µg/ml, Ethyl acetate, 5ml Price on request EPA-8290HRCC0.25 Supplemental Calibration Solution, 500ul, nonane Price on request