Internal Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DFP-LCS-B Mass-Labelled PCDDs/PCDFs/PCBs Solution/Mixture, 1.2ml, nonane Price on request 53057 Mixed Calibration Standard 5 Price on request 673667 Piperonyl butoxide, 10 µg/ml, Ethyl acetate, 10m Price on request