Long-Term Dynamics of Urban Soil Pollution with Heavy Metals in Moscow

Table 3

Mean surplus/decrease rate of HM contents in topsoils of the Eastern district of Moscow.

Period	Increment rate	Pb	Zn	Cu	Cd	Co	Cr	Ni	Mn	Cs
1989–2005	mg/kg per year	3.1	2.8	1.6	0.01	0.08	0.64	0.36	4.40	0.11
	%	0.08	0.03	0.04	0.03	0.04	0.03	0.03	0.02	0.03
1989–2005	mg/kg per year	−5.4	1.2	−2.1	0.20	0.90	13.0	2.2	3.8	−0.86
	%	−0.36	0.03	−0.15	0.89	0.71	0.97	0.45	0.04	−1.1