Lake Michigan fish tissue -Org. contaminants, 5x8g Back Catalog number: NIST-1947 Availability: In the manufacturer's stock Price on request - + Recommended 66158 2,3,3',4,4',6-Hexachlorobiphenyl (158) Price on request 2769.9-100-AN Propazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 139-40-2 Price on request 50404 Sulfate (SO4-2) Price on request