RAPID CLEAN-UP FOR DETERMINATION OF PCDD/Fs USING A MULTI-LAYER SILICA GEL COLUMN CONNECTED TO A DUAL-LAYER REVERSIBLE CARBON COLUMN Publication Attachment: 03-6.pdf Authors: Fisher, R, Aries, E, Anderson, DR, Ordsmith, N, Hall, K, Fitzpatrick, L, Barclay, F Year: 2003