Sampling point	Projects and results
Sampling point	Fluoride	As	Cd	Co	Cr	Cu	Hg	Mn	Ni	Pb	Se	Zn
A	452	ND	ND	ND	58	43	ND	572	ND	24	ND	83
B	361	ND	ND	ND	84	29	ND	560	33	20	ND	99
C	204	ND	ND	ND	74	15	ND	505	ND	20	ND	46
D	344	ND	ND	195	88	33	ND	880	ND	ND	ND	69
E	382	ND	ND	460	104	35	ND	1551	ND	ND	ND	56
F	189	ND	ND	521	140	27	ND	2544	ND	ND	ND	24
G	293	ND	ND	1195	198	42	ND	7306	ND	ND	ND	26