Aroclor 1254 Back Catalog number: 90128R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91297 EPA Method 525.2 - 526 Internal Standard Price on request 11756.12-100-IO 2,2',3,3',4,5,5'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 70675 Ethion, 1000µg/ml in MeOH, 1ml Price on request