AIR Cal Mix Back Catalog number: 95380 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-C40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 79370 Hexachlorocyclopentadiene Price on request 71142 1-Methyl phenoxyacetate Price on request