2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 66188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9106 Ethyl methacrylate Price on request 12103.5-50MG Glufosinate,neat,neat,50mg, Price on request 19262 EPA Method 525 - PAH Standard Price on request