Calibration Kit; Alternate Volume, 5 x 200ul, nonane Back Catalog number: EPA-1613CSAV Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended DF-1279-S 1,2,7,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request I789183-250MG Isobutyric-d7 Acid, 250mg Price on request DS-1000 Mass-Labelled PCDD Solution/Mixture, 1.2ml, nonane Price on request