Group 1a PCB’s - Aroclor Toxicity Back Catalog number: 66211 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11757.12-100-IO 2,2',3,3',4,5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 675658 Silafluofen, 10 µg/ml, Ethyl acetate, 10ml Price on request 79466 Chlordane Price on request