Contamination of Soil with Pb and Sb at a Lead-Acid Battery Dumpsite and Their Potential Early Uptake by Phragmites australis

Table 3

Bioaccumulation and translocation factors of Pb and Sb for P. australis in different soil treatments after 8 and 16 weeks of planting.

Element	Growth period (wks)	Nonrecycled slag treatment			Recycled slag treatment			Reference soil treatment
		[E]r/[E]s	[E]l/[E]r	([E]l + [E]st)/[E]r	[E]r/[E]s	[E]l/[E]r	([E]l + [E]st)/[E]r	[E]r/[E]s	[E]l/[E]r	([E]l + [E]st)/[E]r
Pb	8	0.003	0.06	0.09	0.004	0.08	0.11	—	—	—
	16	0.01	0.01	0.02	0.02	0.02	0.02	—	—	—
Sb	8	0.02	0.05	0.07	0.02	0.06	0.09	—	—	—
	16	0.11	0.01	0.02	0.09	0.01	0.02	—	—	—

[E]r: concentration of the element in roots of plant; [E]s: concentration of the element in soil on which the plant is growing; [E]l: concentration of the element in leaves of plant; [E]st: concentration of the element in the stem of plant.