Contamination Features and Source Apportionment of Heavy Metals in the River Sediments around a Lead-Zinc Mine: A Case Study in Danzhai, Guizhou, China

Table 2

Contribution rates of factors to HMs in the sediments around this lead-zinc mine.

Element	Source profiles/mg·kg^−1			Source contribution (%)
	F1	F2	F3	F1	F2	F3
Pb	7.21	70.2	16.0	7.73	75.2	17.1
Zn	17.7	294	89.4	4.41	73.3	22.3
Mn	499	11.1	267	64.2	1.43	34.3
Cu	6.28	11. 5	9.40	23.1	42.2	34.6
Cd	0.319	0.614	1.57	12.7	24.5	62.7
Hg	0.150	1.09	0.237	10.2	73.8	16.1
As	3.27	3.68	0.205	45.7	51.4	2.87
Total source	–	–	–	24.1	48.8	27.1
concentrations

“-”: not available.