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

Table 4

Boron concentrations and isotopic composition in environmental samples from Luleå.

Soil profiles	Concentration, µg·g^−1 DW							δ^11B, ‰
Fractions	F1	F2	F3	F4	F5	F6	Total	F1	F2	F3	F4	F5	F6	Total
City (n = 2)
0–15 cm	0.57	0.24	0.48	1.05	1.71	3.87	7.91	2	−9	−17	−12	−12	−7	−9
16–30 cm	0.21	0.16	0.15	0.35	0.62	2.88	4.38	−3	−11	−16	−13	−10	−19	−16
31–45 cm	0.04	0.11	0.04	0.09	0.38	1.90	2.56	−9	−11	−10	−15	−16	−24	−22
46–60 cm	0.04	0.15	0.02	0.06	0.34	1.86	2.47	−4	−6	−7	−15	−12	−23	−21
Suburb (n = 4)
0–15 cm	0.16	0.06	0.10	0.17	0.83	5.15	6.47	−25	−24	−17	−2	−17	−14	−14
16–30 cm	0.11	0.06	0.06	0.10	0.60	5.01	5.94	−7	−13	−8	−11	−15	−2	−4
31–45 cm	0.06	0.11	0.04	0.07	0.80	5.10	6.17	−10	−4	−2	10	−6	−4	−4
46–60 cm	0.05	0.09	0.04	0.05	0.58	4.75	5.56	−6	−2	−5	12	−14	−8	−9
	Concentration, µg·g^−1 DW (µg·L^−1 for waters)					δ^11B, ‰
	Mean	Median	σ	Min.	Max.			Mean	Median	σ	Min.	Max.	Range
Top soils	8	7	7	2	53			−7	−8	7	−17	12	29
Lysimetric waters	10	7	12	5	54			4	4	3	−2	7	9
Mushroom	1.3	0.6	1.5	0.2	6.8			−8	−10	13	−24	3	27
Litter	21	NA	NA	NA	NA			8	NA	NA	NA	NA	NA
Wood ash	290	NA	NA	NA	NA			7	NA	NA	NA	NA	NA
Needles	14	13	6	6	31			17	19	9	−2	38	40
Leaves	21	18	13	7	76			10	10	9	−7	34	41
Lichens	2.7	2.4	1.1	1.6	6.6			32	37	9	13	40	27