Surrogate Standard Back Catalog number: 96716 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56065 Terbium (Tb) Price on request 66074 2,4,4',5-Tetrachlorobiphenyl (74) Price on request 679108 2,4'-DDT, 10.0 µg/ml, Cyclohexane, 10ml Price on request