DOW 624 Volatile Internal/Surrogate Standard Back Catalog number: 93323 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79894 Tetrachloro-m-xylene Price on request DF-IS-D200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 2214.24-K-IO Di-n-nonyl adipate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 151-32-6 Price on request