Matrix Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-8290MSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-IS-H Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 8871.7-K-IO 2-Acetyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 79265 Tetrachloroethene Price on request