Table 1.

Pre- and postremediation soil Pb concentrations and range of residential compounds, common areas, and ponds.

Village	Remediation phase	No. of cpds tested	No. of cpds remediated	No. of CAs remediated	No. of ponds remediated	Preremediation mean Pb conc (range) of cpds tested (mg/kg)	Postremediation mean Pb conc (range) of cpds tested (mg/kg)	% of conc reduction
Dareta	I	94	85	13	4	3,436 (40–35,380)	83 (25–252)	98
Yargalma	I	66	63	11	3	4,143 (83–23,296)	179 (25–400)	96
Phase I total		160	148	24	7	3,728	123	97
Abare	II	96	74	20	0	1,343 (43–18,921)	90 (25–400)	93
Tungar Guru	II	38	31	6	1	874 (85–4,446)	83 (23–321)	91
Sunke	II	93	83	38	10	1,119 (19–9,688)	106 (25–400)	91
Tungar Daji	II	78	75	31	10	780 (59–4,952)	72 (25–235)	91
Duza	II	57	57	8	2	300 (24–1,779)	70 (25–209)	77
Phase II total		362	320	103	23	951	86	91
Bagega	III	423	352	54	1	670 (18–20,748)	90 (13–400)	87
Phase I, II, and III total		944	820	181	31	1,311	94	89
Abbreviations: CAs, common areas; conc, concentrations; cpds, residential compounds; Pb, lead.