Boron (B) Back Catalog number: 58005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2752.12-1ML n-Hexanophenone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 942-92-7 Price on request 31070 EPA Method 502/524 Surrogate Standard #3, 2000µg/ml in MeOH, 1ml Price on request 2007.12-5MG 3,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 70362-50-4 Price on request