Table 5. Heavy metal contents of crickets from different districts (Unit: ppb)

Elements	Districts1)
	YG	JS	WJ	HS	GC	CJ
	Pb	ND	ND	ND	ND	0.26	ND
Cd	0.07	0.03	ND	ND	0.03	ND
As	ND	ND	ND	ND	ND	ND
Hg	3.30	1.50	1.50	1.10	1.30	1.00

YG, Yeong-gwang; JS, Jeong-seon; WJ, Won-ju; HS, Hwa-seong; GC, Geo-chang; CJ, Chung-ju.