Determination of Decabrominated Diphenyl Ether in Soils by Soxhlet Extraction and High Performance Liquid Chromatography

Table 3

Comparison of BDE-209 concentrations with other studies.

Type	Region	BDE-209 (ng/g)	Reference
Farmland	Paddy field, Guiyu	368.1	This study
	Rice field, Guiyu	37.3	[8]
	Farmland, Qingyuan	32.2 (3.5–178.5)	[29]
	Farmland near open burning site, Qingyuan	29.9 (1.3–182.7)	[29]
	Paddy field, Qingyuan	12.4 (8.0–18.7)	[11]
	Farmland, Guiyu	31.6	[26]
	Farmland, Qingyuan	41.9	[26]
Burning site	Burning site, Qingyuan	53.6	This study
	Burning site, Guiyu	132.1	This study
	Burning site, Qingyuan	154 (66.7–284)	[11]
	Open burning site, Qingyuan	693.3	[30]
	Open burning site, Guiyu	630	[31]