Carboxin Back Catalog number: 70062 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 22013 EPA Method 8260B - Purgeable Internal Std Price on request BCR-137R Benzo[b]naphtho[1,2-d]thiophene, 10mg Price on request DF-IS-J100 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request