Iseb 2015: Biogeochemical Dynamics of Sediment-Water Systems: Processes and Modelling

electronic supplementary material

ISEB 2015: BIOGEOCHEMICAL DYNAMICS OF SEDIMENT-WATER SYSTEMS: PROCESSES AND MODELLING

Trace metals pollution in freshwater sediments of the world’s largest mercury mining district: sources, spatial distribution and environmental implications

Efrén Garcia-Ordiales1 • Jorge Loredo1 • Stefano Covelli2 • José M. Esbrí3 • Rocio Millán4 • Pablo Higueras3

Received: 14 February 2016 / Accepted: 29 June 2016

© Springer-Verlag Berlin Heidelberg 2016

Responsible editor: Jadran Faganeli

1Mining, Energy and Materials Engineering School, University of Oviedo, Oviedo, Spain

2Department of Mathematics and Geosciences, University of Trieste, Trieste, Italy

3IGEA, Biogeochemistry Laboratory of Heavy Metals, University of Castilla La Mancha, Almadén, Ciudad Real, Spain

4CIEMAT – DMA, Avenida Complutense 40, 28040 Madrid, Spain

* Efrén García-Ordiales

Table S1 Descriptive statistics for surface freshwater sediment samples from the Valdeazogues River. DL- Detection limit of the analytical technique; %RE- percentage relative error

All samples (n = 65) / District samples (n = 58) / Control point (n = 7)
DL / %RE / Mean / SD / Median / Min / Max / Mean / SD / Median / Min / Max / Mean / SD / Median / Min / Max
pH H2O / 6.6 / 0.1 / 6.6 / 6.4 / 7.0 / 6.6 / 0.1 / 6.6 / 6.4 / 7.0 / 6.5 / 0.1 / 6.5 / 6.4 / 6.7
pH KCl / 5.8 / 0.1 / 5.8 / 5.6 / 6.0 / 5.8 / 0.1 / 5.8 / 5.6 / 6.0 / 5.7 / 0.05 / 5.7 / 5.7 / 5.8
TOC (% weight) / 0.01 / 2.3 / 2.8 / 0.9 / 2.9 / 1.0 / 4.8 / 2.9 / 0.9 / 3.0 / 1.0 / 4.8 / 1.6 / 0.2 / 1.5 / 1.4 / 2.0
Sand (%) / 30.0 / 20.0 / 27.9 / 0.2 / 73.3 / 27.7 / 19.1 / 21.8 / 0.2 / 69.0 / 46.0 / 14.4 / 40.5 / 27.9 / 73.3
Silt (%) / 60.0 / 19.0 / 63.1 / 22.1 / 90.2 / 63.0 / 18.5 / 68.7 / 22.2 / 90.2 / 45.3 / 12.7 / 46.3 / 22.1 / 63.1
Clay (%) / 9.2 / 3.4 / 8.9 / 2.1 / 18.3 / 9.3 / 3.5 / 9.0 / 2.1 / 18.3 / 8.8 / 2.7 / 8.9 / 4.5 / 13.2
Al (% weight) / 0.01 / 2.1 / 15.0 / 1.9 / 14.3 / 11.5 / 19.9 / 14.9 / 1.9 / 14.8 / 11.6 / 19.9 / 13.2 / 0.8 / 13.6 / 11.5 / 13.9
Ca (% weight) / 0.01 / 1.5 / 0.3 / 0.1 / 0.3 / 0.1 / 0.6 / 0.3 / 0.1 / 0.3 / 0.1 / 0.6 / 0.2 / 0.1 / 0.1 / 0.1 / 0.3
Fe (% weight) / 0.01 / 3.6 / 5.0 / 1.3 / 4.5 / 2.9 / 8.3 / 5.2 / 1.3 / 4.8 / 3.0 / 8.3 / 3.9 / 0.1 / 3.9 / 3.8 / 4.0
Mg (% weight) / 0.01 / 4.3 / 0.5 / 0.1 / 0.5 / 0.3 / 0.9 / 0.5 / 0.1 / 0.5 / 0.3 / 0.9 / 0.4 / 0.05 / 0.4 / 0.3 / 0.4
Na (% weight) / 0.01 / 6.8 / 0.02 / 0.02 / 0.02 / 0.01 / 0.1 / 0.03 / 0.02 / 0.02 / 0.01 / 0.1 / 0.01 / 0.01 / 0.01 / 0.01 / 0.02
K (% weight) / 0.01 / 5.3 / 0.2 / 0.1 / 0.2 / 0.1 / 0.4 / 0.2 / 0.1 / 0.2 / 0.1 / 0.4 / 0.2 / 0.04 / 0.1 / 0.1 / 0.2
P (% weight) / 0.01 / 4.5 / 0.1 / 0.03 / 0.1 / 0.03 / 0.2 / 0.1 / 0.03 / 0.1 / 0.03 / 0.2 / 0.05 / 0.02 / 0.05 / 0.03 / 0.1
S (% weight) / 0.01 / 4.4 / 0.2 / 0.1 / 0.2 / 0.01 / 0.4 / 0.2 / 0.1 / 0.2 / 0.01 / 0.4 / 0.04 / 0.03 / 0.1 / 0.00 / 0.1
As (µg g–1) / 1.0 / 2.3 / 14.0 / 4.1 / 14.7 / 5.9 / 24.1 / 15.2 / 3.4 / 15.01 / 7.8 / 24.1 / 7.1 / 0.9 / 7.1 / 5.9 / 8.2
Co (µg g–1) / 0.2 / 3.7 / 20.0 / 5.4 / 18.4 / 10.5 / 32.4 / 20.8 / 5.2 / 19.0 / 12.6 / 32.4 / 13.6 / 2.6 / 12.6 / 10.5 / 17.6
Cu (µg g–1) / 0.1 / 4.2 / 34.0 / 8.4 / 33.2 / 18.1 / 57.8 / 34.8 / 8.4 / 34.6 / 18.9 / 57.8 / 26.4 / 4.1 / 27.7 / 18.1 / 31.3
Hg (µg g–1) / 0.05 / 1.5 / 110.0 / 74.3 / 107.0 / 1.6 / 280.0 / 130.0 / 67.1 / 110.0 / 4.1 / 280.0 / 2.2 / 0.6 / 1.9 / 1.6 / 3.3
Mn (µg g–1) / 1.0 / 2.8 / 680.0 / 270.0 / 610.0 / 280.0 / 1350.0 / 720.0 / 260.0 / 630.0 / 280.0 / 1350.0 / 370.0 / 32.9 / 380.0 / 320.0 / 410.0
Ni (µg g–1) / 0.1 / 3.4 / 54.0 / 16.6 / 55.6 / 26.1 / 93.1 / 55.9 / 16.1 / 57.1 / 26.1 / 93.1 / 37.3 / 9.8 / 34.1 / 29.3 / 57.9
Pb (µg g–1) / 0.1 / 3.7 / 70.0 / 33.9 / 63.3 / 20.0 / 140.0 / 75.8 / 31.9 / 67.5 / 24.1 / 140.0 / 25.8 / 4.4 / 26.1 / 20.0 / 33.1
Zn (µg g–1) / 1.0 / 4.6 / 150.0 / 63.7 / 140.0 / 53.7 / 310.0 / 160.0 / 61.7 / 150.0 / 53.7 / 310.0 / 79.7 / 10.7 / 81.2 / 59.1 / 94.1

Table S2 t-Student and U-Mann Whitney statistical analysis for each sampling point with respect to the control point

V-6 Control / V-1 / V-2 / V-3 / V-4 / V-5 / G-1 / Az-1 / Az-2 / A-1
Mean±SD / Mean±SD / Mean±SD / Mean±SD / Mean±SD / Mean±SD / Mean±SD / Mean±SD / Mean±SD / Mean±SD
Fe / 3.9 / ±0.1 / 5.4 / ±1.1 / 4.2 / ±0.6 / 3.9 / ±0.7 / 4.2 / 0.7 / 6.0 / ±1.0 / 7.5 / ±0.7 / 5.0 / ±1.1 / 5.6 / ±1.4 / 4.4 / ±0.2
t=3.631; / p=0.003 / t=1.477; / p=0.165 / t=0.005; / p=0.996 / t=0.941; / p=0.367 / t=5.681; / p=0.000 / t=14.335; / p=0.000 / t=2.471; / p=0.029 / t=3.291; / p=0.006 / t=6.654; / p=0.000
Ca / 0.2 / ±0.1 / 0.3 / ±0.1 / 0.2 / ±0.05 / 0.4 / ±0.1 / 0.4 / 0.1 / 0.3 / ±0.1 / 0.3 / ±0.1 / 0.2 / ±0.1 / 0.3 / ±0.1 / 0.2 / ±0.1
t=2.497; / p=0.028 / t=1.888; / p=0.083 / t=3.437; / p=0.006 / t=3.043; / p=0.011 / t=2.663; / p=0.021 / z=-2.589; / p=0.010 / t=1.601; / p=0.135 / t=2.627; / p=0.022 / t=1.774; / p=0.104
Mg / 0.4 / ±0.1 / 0.6 / ±0.1 / 0.5 / ±0.1 / 0.6 / ±0.1 / 0.5 / 0.2 / 0.6 / ±0.1 / 0.6 / ±0.1 / 0.5 / ±0.1 / 0.5 / ±0.1 / 0.4 / ±0.1
t=4.562; / p=0.001 / t=3.416; / p=0.005 / t=4.999; / p=0.001 / t=2.458; / p=0.032 / z=-3.134; / p=0.002 / t=3.992; / p=0.002 / t=4.382; / p=0.001 / z=-3.137; / p=0.002 / t=0.325; / p=0.751
Al / 13.2 / ±0.8 / 14.5 / ±1.4 / 14.7 / ±0.8 / 13.5 / ±0.7 / 14.2 / 1.8 / 16.6 / ±0.9 / 18.2 / ±1.2 / 13.3 / ±1.6 / 15.3 / ±0.7 / 12.6 / ±0.7
t=2.009; / p=0.068 / t=3.406; / p=0.055 / t=0.601; / p=0.561 / t=1.254; / p=0.236 / t=7.105; / p=0.000 / t=8.616; / p=0.000 / t=0.866; / p=0.403 / t=5.146; / p=0.000 / t=-1.426; / p=0.182
Na / 0.01 / ±0.01 / 0.02 / ±0.02 / 0.03 / ±0.03 / 0.03 / ±0.02 / 0.02 / 0.01 / 0.02 / ±0.01 / 0.03 / ±0.02 / 0.02 / ±0.01 / 0.03 / ±0.01 / 0.03 / ±0.02
z=-0.430; / p=0.667 / z=-0.430; / p=0.667 / z=-1.664; / p=0.096 / z=-0.482; / p=0.630 / z=-1.569; / p=0.117 / z=-1.240; / p=0.215 / z=-1.391; / p=0.164 / z=-1.391; / p=0.164 / z=-1.391; / p=0.164
K / 0.2 / ±0.04 / 0.2 / ±0.1 / 0.2 / ±0.1 / 0.2 / ±0.1 / 0.2 / 0.05 / 0.1 / ±0.02 / 0.2 / ±0.1 / 0.2 / ±0.1 / 0.2 / ±0.1 / 0.2 / ±0.02
z=-1.423 / p=0.155 / t=1.249; / p=0.236 / t=1.643; / p=0.131 / t=2.236; / p=0.047 / t=-0.228; / p=0.824 / t=0.880; / p=0.398 / z=-1.809; / p=0.070 / z=-1.809; / p=0.070 / 0.819; / p=0.430
Cu / 26.4 / ±4.1 / 34.6 / ±6.2 / 35.5 / ±7.6 / 30.4 / ±4.7 / 33.0 / 8.1 / 39.4 / ±4.3 / 47.1 / ±9.3 / 30.1 / ±3.9 / 36.5 / ±7.1 / 25.7 / ±6.7
t=2.907; / p=0.013 / t=2.787; / p=0.016 / t=1.544; / p=0.154 / t=1.906; / p=0.083 / t=5.752; / p=0.000 / t=5.344; / p=0.000 / t=1.702; / p=0.114 / t=3.264; / p=0.007 / t=-0.249; / p=0.808
Pb / 25.8 / ±4.4 / 130.0 / ±7.7 / 66.3 / ±5.3 / 48.9 / ±9.6 / 38.8 / 7.9 / 51.1 / ±15.9 / 72.1 / ±39.4 / 97.6 / ±4.5 / 80.5 / ±17.8 / 82.6 / ±24.7
t=31.367; / p=0.000 / t=15.520; / p=0.000 / t=5.655; / p=0.000 / t=3.729; / p=0.003 / t=4.042; / p=0.002 / t=3.110; / p=0.010 / t=30.046; / p=0.000 / t=7.886; / p=0.000 / t=5.994; / p=0.000
Zn / 79.7 / ±10.7 / 240.0 / ±41.5 / 140.0 / ±24.5 / 140.0 / ±35.4 / 63.3 / 8.5 / 140. 0 / ±41.8 / 150 / ±34.5 / 240.0 / ±33.1 / 160.0 / ±43.8 / 150.0 / ±29.7
t=9.861; / p=0.000 / t=5.660; / p=0.000 / t=4.594; / p=0.001 / t=-3.011; / p=0.012 / t=3.732; / p=0.003 / t=4.922; / p=0.000 / t=12.528; / p=0.000 / t=4.867; / p=0.000 / t=5.886; / p=0.000
Ni / 37.3 / ±9.8 / 53.1 / ±13.2 / 51.9 / ±14.6 / 44.2 / ±21.7 / 46.4 / 18.9 / 77.6 / ±13.4 / 67.0 / ±11.5 / 53.4 / ±9.4 / 59.5 / ±3.6 / 45.2 / ±7.7
z=-1.853; / p=0.064 / z=-1.853; / p=0.064 / z=-0.244; / p=0.808 / z=-1.286; / p=0.199 / z=-3.130; / p=0.002 / z=-2.714; / p=0.007 / z=-2.747; / p=0.006 / z=-2.747; / p=0.006 / z=-2.747; / p=0.006
Co / 13.6 / ±2.6 / 21.8 / ±3.6 / 15.9 / ±2.0 / 17.5 / ±2.8 / 17.9 / 5.1 / 24.9 / ±4.0 / 29.3 / ±2.9 / 20.4 / ±4.1 / 21.9 / ±4.0 / 17.0 / ±1.9
t=4.820; / p=0.000 / t=1.844; / p=0.090 / z=-1.868; / p=0.062 / t=1.968; / p=0.075 / t=6.248; / p=0.000 / t=10.294; / p=0.000 / t=3.723; / p=0.003 / t=4.568; / p=0.001 / t=2.632; / p=0.023
Mn / 370.0 / ±32.9 / 640.0 / ±170.0 / 610.0 / ±130.0 / 580.0 / ±119 / 615.0 / 249.0 / 938.0 / ±194.3 / 1150 / ±188.0 / 590.0 / ±190 / 790 / ±230 / 510 / ±19.5
t=3.970; / p=0.002 / t=4.557; / p=0.001 / t=4.543; / p=0.001 / t=2.591; / p=0.025 / t=7.629; / p=0.000 / t=10.898; / p=0.000 / t=3.026; / p=0.011 / t=4.686; / p=0.001 / t=8.855; / p=0.000
As / 7.1 / ±0.9 / 15.5 / ±3.4 / 13.5 / ±1.7 / 12.8 / ±1.4 / 12.7 / 2.9 / 18.0 / ±2.5 / 20.0 / ±2.9 / 13.5 / ±4.0 / 15.4 / ±2.6 / 14.9 / ±1.6
t=6.337; / p=0.000 / t=8.677; / p=0.000 / t=8.277; / p=0.000 / t=4.772; / p=0.001 / t=10.724; / p=0.000 / z=-3.000; / p=0.003 / t=4.111; / p=0.001 / t=7.924; / p=0.000 / t=11.015; / p=0.000
Hg / 2.2 / ±0.6 / 120.0 / ±14.3 / 87.2 / ±10.6 / 72.1 / ±17.2 / 120.2 / 18.2 / 190.0 / ±23.3 / 220.0 / ±33.2 / 110.0 / ±23.7 / 200.0 / ±26.1 / 5.3 / ±0.8
t=21.359; / p=0.000 / t=21.246; / p=0.000 / t=10.942; / p=0.000 / t=16.848; / p=0.000 / t=21.207; / p=0.000 / t=17.495; / p=0.000 / t=11.617; / p=0.000 / z=-3.130; / p=0.002 / t=8.114; / p=0.000
TOC / 1.6 / ±0.2 / 3.0 / ±0.6 / 3.1 / ±0.6 / 2.3 / ±0.2 / 2.8 / 0.5 / 3.3 / ±0.6 / 4.3 / ±0.4 / 2.5 / ±0.9 / 3.3 / ±0.3 / 1.6 / ±0.4
t=5.743; / p=0.000 / t=5.789; / p=0.000 / t=4.877; / p=0.001 / t=5.239; / p=0.000 / t=7.321; / p=0.000 / t=13.981; / p=0.000 / t=2.331; / p=0.038 / t=12.471; / p=0.000 / t=-0.403; / p=0.694
P / 0.05 / ±0.02 / 0.1 / ±0.02 / 0.1 / ±0.03 / 0.1 / ±0.01 / 0.1 / 0.02 / 0.1 / ±0.01 / 0.1 / ±0.03 / 0.1 / ±0.03 / 0.1 / ±0.02 / 0.1 / ±0.02
t=4.160; / p=0.001 / t=3.801; / p=0.003 / z=-1.884; / p=0.060 / t=0.500; / p=0.627 / t=1.201; / p=0.253 / t=3.835; / p=0.003 / t=2.912; / p=0.013 / t=3.859; / p=0.002 / t=0.586; / p=0.569
S / 0.04 / ±0.03 / 0.2 / ±0.1 / 0.2 / ±0.1 / 0.3 / ±0.02 / 0.2 / 0.12 / 0.2 / ±0.1 / 0.2 / ±0.1 / 0.2 / ±0.1 / 0.2 / ±0.09 / 0.1 / ±0.03
z=-3.097; / p=0.002 / z=-3.097; / p=0.002 / z=-2.888; / p=0.004 / z=-2.478; / p=0.039 / z=-3.158; / p=0.002 / z=-2.695; / p=0.007 / z=-3.097; / p=0.002 / z=-3.097; / p=0.002 / z=-3.097; / p=0.002
pH(H2O) / 6.5 / ±0.1 / 6.6 / ±0.2 / 6.6 / ±0.1 / 6.6 / ±0.1 / 6.7 / 0.1 / 6.7 / ±0.1 / 6.6 / ±0.1 / 6.6 / ±0.1 / 6.6 / ±0.12 / 6.6 / ±0.1
t=1.651; / p=0.125 / t=1.123; / p=0.283 / t=1.493; / p=0.166 / t=2.814; / p=0.017 / t=2.382; / p=0.035 / t=1.009; / p=0.334 / t=1.595; / p=0.137 / t=0.862; / p=0.406 / t=1.051; / p=0.316
pH(KCl) / 5.7 / ±0.05 / 5.8 / ±0.1 / 5.7 / ±0.1 / 5.7 / ±0.1 / 5.7 / 0.1 / 5.9 / ±0.1 / 5.9 / ±0.1 / 5.7 / ±0.1 / 5.8 / ±0.1 / 5.7 / ±0.04
t=1.679; / p=0.119 / t=0.282; / p=0.783 / t=-0.709; / p=0.495 / t=0.279; / p=0.785 / t=5.377; / p=0.000 / t=3.831; / p=0.003 / t=-0.258; / p=0.801 / t=1.993; / p=0.069 / t=-0.667; / p=0.519

Table S3 Summary of the calculated Enrichment Factor (EF) for each sampling point, and percentage enrichment of analyzed samples according to the classification of Chen et al. (2007)

V-1 / V-2 / V-3 / V-4 / V-5 / G-1 / Az-1 / Az-2 / A-1
Fe / Range / 1.55-0.94 / 1.12-0.91 / 4.06-0.95 / 1.24-0.76 / 1.44-0.97 / 1,49-1.22 / 1.42-0.90 / 1.54-0.85 / 1.29-1.04
% values enrichment / 14.3% / 0.0% / 80.0% / 0.0% / 0.0% / 0.0% / 0.0% / 28.6% / 0.0%
Ca / Range / 2.97-0.53 / 2.09-0.62 / 4.06-0.95 / 4.23-1.15 / 3.66-0.81 / 3.57-0.71 / 3.21-0.56 / 2.86-0.78 / 3.23-0.98
% values enrichment / 57.1% / 57.1% / 80.0% / 50.0% / 28.6% / 66.7% / 42.9% / 42.9% / 33.3%
Mg / Range / 1.85-0.94 / 1.25-1.07 / 1.78-1.26 / 1.58-0.94 / 1.97-0.93 / 1.45-0.97 / 1.88-1.17 / 1.78-1.05 / 1.25-0.90
% values enrichment / 57.1% / 0.0% / 60.0% / 16.7% / 28.6% / 0.0% / 28.6% / 14.3% / 0.0%
Na / Range / 3.93-0.80 / 4.39-0.42 / 7.05-1.03 / 1.50-0.90 / 2.30-0.72 / 5.58-0.68 / 3.41-0.86 / 4.01-0.84 / 3.21-0.46
% values enrichment / 14.3% / 57.1% / 60.0% / 0.0% / 42.9% / 16.7% / 28.6% / 71.4% / 50.0%
K / Range / 2.76-0.53 / 2.60-0.44 / 2.78-0.53 / 2.21-0.68 / 1.19-0.43 / 2.00-0.34 / 3.21-0.79 / 2.38-0.70 / 1.58-0.76
% values enrichment / 14.3% / 57.1% / 60.0% / 0.0% / 42.9% / 16.7% / 42.9% / 14.3% / 16.7%
P / Range / 3.09-0.94 / 2.22-0.75 / 1.71-0.99 / 2.01-0.57 / 1.59-0.73 / 3.23-0.78 / 2.78-0.73 / 2.31-1.05 / 2.50-0.61
% values enrichment / 57.1% / 71.4% / 60.0% / 33.3% / 14.3% / 33.3% / 71.4% / 42.9% / 33.3%
S / Range / 20.76-0.87 / 16.35-0.85 / 30.96-3.85 / 26.81-0.11 / 28.25-1.21 / 18.09-2.14 / 25.41-1.14 / 28.94-1.46 / 13.92-2.11
% values enrichment / 85.7% / 85.7% / 100.0% / 66.7% / 85.7% / 100.0% / 85.7% / 85.7% / 100.0%
Cu / Range / 1.91-0.92 / 1.73-0.86 / 1.35-0.89 / 1.52-0.86 / 1.80-0.95 / 1.56-0.93 / 1.66-0.72 / 1.54-0.77 / 1.67-0.70
% values enrichment / 14.3% / 14.3% / 0.0% / 16.7% / 14.3% / 33.3% / 14.3% / 14.3% / 16.7%
Pb / Range / 6.60-3.74 / 3.59-1.89 / 2.08-1.24 / 2.53-0.76 / 3.53-1.10 / 4.68-1.05 / 4.94-2.36 / 3.73-1.73 / 4.75-2.30
% values enrichment / 100.0% / 100.0% / 80.0% / 33.3% / 42.9% / 50.0% / 100.0% / 100.0% / 100.0%
Zn / Range / 4.35-2.02 / 1.87-1.20 / 2.56-1.23 / 1.01-0.58 / 2.09-0.89 / 1.82-1.00 / 3.80-2.49 / 2.89-0.88 / 2.44-1.78
% values enrichment / 100.0% / 57.1% / 60.0% / 0.0% / 42.9% / 33.3% / 100.0% / 85.7% / 100.0%
Ni / Range / 1.84-0.74 / 2.29-0.69 / 1.86-0.50 / 1.75-0.61 / 2.51-0.83 / 1.87-0.74 / 2.07-0.84 / 1.69-0.79 / 1.78-0.72
% values enrichment / 57.1% / 42.9% / 40.0% / 33.3% / 71.4% / 50.0% / 42.9% / 42.9% / 33.3%
Co / Range / 1.86-1.21 / 1.34-0.70 / 1.46-0.97 / 1.65-0.73 / 1.89-1.06 / 2.01-1.30 / 2.13-1.17 / 2.00-1.00 / 1.91-1.03
% values enrichment / 57.1% / 0.0% / 0.0% / 33.3% / 42.9% / 50.0% / 28.6% / 42.9% / 50.0%
Mn / Range / 2.54-1.18 / 2.21-1.03 / 1.97-0.70 / 2.07-0.63 / 2.64-1.45 / 2.48-1.46 / 2.17-0.87 / 2.92-0.81 / 1.68-1.15
% values enrichment / 42.9% / 42.9% / 40.0% / 66.7% / 85.7% / 83.3% / 57.1% / 85.7% / 50.0%
As / Range / 2.46-1.10 / 1.79-1.36 / 2.06-1.54 / 2.72-1.18 / 2.64-1.58 / 2.79-1.56 / 2.62-1.20 / 2.35-1.32 / 2.52-1.88
% values enrichment / 85.7% / 85.7% / 100.0% / 66.7% / 100.0% / 100.0% / 85.7% / 71.4% / 100.0%
Hg / Range / 79.88-32.79 / 55.04-23.36 / 50.31-13.15 / 75.38-28.90 / 104.71-41.20 / 108.96-40.45 / 71.40-31.61 / 99.54-51.87 / 3.41-1.42
% values enrichment / 100.0% / 100.0% / 100.0% / 100.0% / 100.0% / 100.0% / 100.0% / 100.0% / 83.3%