Ranges of B, Cd, Cr, Cu, Fe, Pb, Sr, Tl, and Zn Concentrations and Isotope Ratios in Environmental Matrices from an Urban Area

Table 8

Iron concentrations and isotopic composition in environmental samples from Luleå.

Soil profiles	Concentration, µg g^−1 DW							δ^56Fe, ‰
Fractions	F1	F2	F3	F4	F5	F6	Total	F1	F2	F3	F4	F5	F6	Total
City (n = 2)
0–15 cm	26	110	420	2700	16000	6800	26000	0.21	0.21	−2.0	0.33	0.22	0.17	0.19
16–30 cm	48	31	290	2100	14000	6000	22000	0.10	0.24	−1.8	0.36	0.20	0.16	0.18
31–45 cm	75	15	200	740	12000	5300	18000	0.07	−0.67	−1.3	0.88	0.18	0.15	0.17
46–60 cm	39	17	160	330	14000	6000	21000	0.07	−1.4	−1.1	0.75	0.19	0.11	0.16
Suburb (n = 4)
0–15 cm	45	66	560	530	7000	6100	14000	−0.87	—	—	0.09	—	—	0.04
16–30 cm	73	33	620	780	5800	5100	13000	—	—	—	—	—	—	—
31–45 cm	54	10	630	550	7400	5500	14000	—	—	—	—	—	—	—
46–60 cm	54	7	580	460	7000	5400	13000	−0.49	—	—	0.20	—	—	0.16
	Concentration, µg·g^−1 DW (µg·L^−1 for waters)					δ^56Fe, ‰
	Mean	Median	σ	Min.	Max.			Mean	Median	σ	Min.	Max.	Range
Top soils	19000	17000	9000	4100	72000			0.07	0.10	0.13	−0.33	0.45	0.78
Lysimetric waters	5200	5400	900	3600	5900			0.19	0.15	0.43	−0.20	0.91	1.11
Mushroom	130	40	330	17	2100			−0.48	−0.47	0.35	−1.16	0.26	1.42
Litter	1180	NA	NA	NA	NA			0.07	NA	NA	NA	NA	NA
Wood ash	3500	NA	NA	NA	NA			0.67	NA	NA	NA	NA	NA
Needles	140	110	110	33	440			−0.41	−0.35	0.41	−1.4	0.05	1.45
Leaves	200	160	150	61	1500			−0.29	−0.26	0.20	−0.84	0.09	0.93
Lichens	250	210	110	150	500			−0.09	−0.09	0.04	−0.14	−0.02	0.12