EPA Method 622/8140 - Analytes Back Catalog number: 93126 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-E200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 71924 Ethyl disulfide Price on request 2534.12-25MG (2RS)-2-(4-n-Propylphenyl)propanoic acid, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 3585-47-5 Price on request