id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
vd66vx04h3t	Damien Gadomski	Investigations Into the Presence Of PCDDs in Ball Clay Exhibiting the 'Natural Formation' Profile	2005		.txt	text/plain	365	14	39	Samples exhibiting this PCDD/F 'natural formation' profile include ball clay and kaolin from different regions throughout the world. Although the PCDD/Fs found in ball clay and kaolin are thought to be of natural origin, no definitive evidence has been brought forward to explain their presence in this specific environmental matrix.	cache/vd66vx04h3t.txt	txt/vd66vx04h3t.txt