ICP Mix Back Catalog number: 50815 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63174 2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Price on request 30029 EPA Method 525 - Perchlorinates Price on request 677913 Fluchloralin, 100 µg/ml, Ethyl acetate, 1ml Price on request