Table 3.

Summary of arsenic concentration in soil and house dust.

	Soil (mg/kg)		House dust
	Property average	Property maximum	Arsenic concentration (mg/kg dust)	Surface loading of arsenic (μg/100 cm2)
All households
No. of homes sampled	85	85	96	111
GM (GSD)	20.6 (2.0)	24.7 (2.2)	10.8 (3.0)	0.071 (4.4)
Range	4.6–340	6.2–1,124	1.0–172	0.004–2.97
Households with children younger than 7 years
No. of homes sampled	29	29	36	37
GM (GSD)	19.9 (1.6)	23.8 (1.7)	11.2 (3.1)	0.058 (4.0)
Range	10.4–46.4	10.4–58.8	1.7–172	0.004–0.77