Method 525.2 Solution A Back Catalog number: 97957 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8713.12-5MG 2,2',3,3',4',5,5',6-Octachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-73-7 Price on request 30050 EPA Method 548 Calibration Solution Price on request 52253 Group I Elements Starter Kit Price on request