Table 2.

Lead concentrations in soil samples from ten Japanese cities of Japan

Variables	Sample site				Total
	Playground	School yard	Temple/shrine	Others
Number of samples	101	32	19	41	193
Median (mg/kg)	12.2	8.9	19.5	13.9	13.0
Min–max (mg/kg)	2.1–141	4.4–97.2	2.5–79.7	1.6–130	1.6–141

Determined after HNO₃/HCl dissolution of <2 mm particle fractions. Data source: Environment Agency of Japan [32]