EPA Method 8315 Calibration Mix #1 Back Catalog number: 83509 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3103.12-50-IO 2,2',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-37-4 Price on request 676616 4,4'-Oxydianiline, 250mg Price on request 96568 17B-Estradiol, 100µg/ml in Acetonitrile, 1ml Price on request