The Influence of Sewage System on the Functioning and Quality of Krakow’s Watercourses

Table 3

Heavy metals content [mg/kg] of the Vistula sediments from storm spillover area.

Sample symbol^*	Fraction	Zn	Pb	Cu	Cr	Cd
	[mm]	[mg/kg]
P7a	>0.063	1059	215	71	35	18
	<0.063	914	218	75	37	16
P7b	>0.063	874	176	65	34	18
	<0.063	706	178	57	29	9
MD1	>0.063	737	687	52	35	13
	0.063–0.020	718	134	66	29	10
	<0.020	1541	313	290	42	54
MD2	>0.063	605	154	75	35	18
	0.063–0.020	2827	422	28	29	12
	<0.020	1419	434	215	20	92
MD3	>0.063	1087	277	69	62	59
	0.063–0.020	510	169	124	32	48
	<0.020	1664	434	205	54	83
MD4	>0.063	1427	352	344	25	102
	0.063–0.020	1239	238	235	14	73
	<0.020	2179	346	718	39	136
MD5	>0.063	1315	253	95	59	23
	0.063–0.020	4304	787	320	98	89
	<0.020	1740	340	302	26	65
Background^**	<0.063	110	45	40	50	2

The Dębnicki most vicinities, ^**Helios-Rybicka 1991 [22].