Chlorinated Herbicide Acids Standard Back Catalog number: 83598 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93887 EPA Method 8260 Volatiles Price on request DF-IS-A200 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane Price on request 59504 ICP-MS Standard Price on request