Table 6.

Summary of biodegradation statistics for dioxins in contaminated soil.

Initial Concentration	Mechanical Components	Materials	Removal (%)	Time (days)	Conditions	References
16,004 ng-TEQ/kg	Sandy loam	Food waste, sawdust, and compost	75	42	Aerobic	[108]
840–5300 ng-TEQ/kg	Sandy	Wood chips and compost	85	360	Semi-aerobic	[25]
30,000–60,000 ng-TEQ/kg	Sandy loam	Lime granules, Nutrients, and bark	21	175	Anaerobic	[117]
88.8–912.7 μmol/kg	Sandy loam	Sewage sludge	61.2	42	Aerobic	[32]
		Leaves	36.8
		Animal manure	32.5
		Sewage sludge and compost	53	280
		Sewage sludge and animal manure	79
6048 ng-TEQ/kg	Sandy loam	Food waste, sawdust, and compost	70	49	Aerobic	[118]
300–660 ngTEQ/kg	Sandy loam	Straw manure, bark chips, and wood chips	75	175	Semi-aerobic	[91]