EPA 525 Cal Mix 2 Back Catalog number: 94191 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3800.12-100-IO 3'-Fluoro-2,4,4',5-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request DF-12367-S 1,2,3,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 681514 Cycloxydim Metabolite BH 517-TGSO2, 100 µg/ml, Ac Price on request