Polycyclic Aromatic Hydrocarbons and Polychlorinated Biphenyls in Soils of Mayabeque, Cuba
Polycyclic aromatic hydrocarbons and polychlorinated biphenyls in soils of Mayabeque, Cuba
Dayana Sosa,1 Isabel Hilber,2 Roberto Faure,1 Nora Bartolomé,2.3 Osvaldo Fonseca,1Armin Keller,4 Peter Schwab,4Arturo Escobar,1,* and Thomas D. Bucheli2,*
1Centro Nacional de Sanidad Agropecuaria (CENSA), Apartado 10, CP 32700, San José de las Lajas, Mayabeque, Cuba
2Environmental Analytics,Agroscope, Reckenholzstrasse 191, CH-8046 Zurich, Switzerland
3Department of Environmental System Science,ETH Zurich, 8093 Zurich, Switzerland
4Swiss National Soil Monitoring Network, Agroscope, Reckenholzstrasse 191, CH-8046 Zurich,Switzerland
*corresponding authors: , Tel: +53 64 63024, Fax: +53 64 63897;,Tel. +41 58 468 73 42, Fax +41 58 468 72 01
Supplementary Information
Fig S1Sum of the 16 US Environmental Protection Agency’s priority PAHs (PAH16) concentrations vs. black carbon (BC) content in soils from the vicinity of the thermo-electric power plant in Santa Cruz del Norte, Cuba (samples 1-22).
Fig S2Selected source diagnostic polycyclic aromatic hydrocarbon (PAH) ratio (FLT/(FLT&PYR)) indicative of petrogenic and different pyrogenic emissionsvs. the sum of the 16 US Environmental Protection Agency’s priority PAHs (PAH16) concentrations (a), and vs. black carbon (BC) content (b), in soils of Mayabeque, Cuba. FLT: fluoranthene. PYR: pyrene.
Fig S3Selected molecular markers and source characteristic polycyclic aromatic hydrocarbon (PAH) ratios vs.the sum of the 16 US Environmental Protection Agency’s priority PAHs (PAH16) and black carbon (BC) concentrations in soils of Mayabeque, Cuba: (mFLT&PYR)/PYR vs. PAH16 (a), and vs. BC (b), RET/(RET&CHR) vs. PAH16 (c), and vs. BC (d). CHR: chrysene. mFLT&PYR: sum of methylfluoranthenes and -pyrenes. PYR: pyrene. RET: retene.
Table S1. Soil sampling site characteristics.aSoil sample number / Lat (o) / Lon (o) / Altitude (m above sea level) / Soil Typeb / Use / pH / Reaction with HCl / Potential emission sourcec / Distance from the source (m)
1 / 23.14558 / -81.94994 / 92 / Red rendzine / Livestock / 7.9 / ND / A / 1772
2 / 23.15347 / -81.95116 / 18 / Red rendzine / Agriculture / 8.0 / ND / A / 898
3 / 23.15450 / -81.95150 / 27 / Red rendzine / Livestock / 7.9 / ND / A / 779
4 / 23.14091 / -81.97133 / 106 / Red rendzine / Agriculture / 8.2 / ND / A / 2854
5 / 23.15483 / -81.95326 / 112 / Red rendzine / Agriculture / 8.0 / ND / A / 702
6 / 23.15427 / -81.95291 / 107 / Red rendzine / Agriculture / 8.2 / ND / A / 768
7 / 23.11979 / -81.95266 / 90 / Grayish brown / Livestock / 7.4 / ND / A / 4579
8 / 23.12624 / -81.97238 / 49 / Grayish brown / Agriculture / 7.4 / ND / N / -
9 / 23.15989 / -81.98292 / 29 / Red rendzine / Livestock / 7.2 / weak / N / -
10 / 23.13860 / -81.91181 / 37 / Grayish brown / Livestock / 7.4 / very weak / A / 4991
11 / 23.13260 / -81.96625 / 60 / Skeletal / Livestock / 6.7 / negative / A / 3397
12 / 23.09291 / -81.97457 / 121 / Red rendzine / Agriculture / 7.9 / very positive / A / 7840
13 / 23.09216 / -81.98100 / 115 / Red rendzine / Livestock / 7.8 / very positive / A / 8120
14 / 23.09176 / -81.98248 / 118 / Red rendzine / Livestock / 7.3 / very positive / A / 8214
15 / 23.09666 / -81.95633 / 126 / Red rendzine / Livestock / 7.9 / very positive / A / 7142
16 / 23.05300 / -82.03597 / 121 / Grayish brown / Livestock / 7.5 / positive / A / 14619
17 / 23.06790 / -82.05685 / 93 / Grayish brown / Livestock / 7.4 / very positive / A / 14744
18 / 23.05968 / -81.91366 / 135 / Grayish brown / Agriculture / 8.0 / very positive / A / 11969
19 / 23.04973 / -81.93001 / 115 / Red ferralitic / Agriculture / 6.8 / negative / A / 12577
20 / 23.04273 / -82.06844 / 266 / Skeletal / Forest / 6.1 / negative / A / 17582
21 / 22.98858 / -82.13999 / 133 / Red ferralitic / Agriculture / 7.0 / ND / N / -
22 / 23.02447 / -81.95306 / 125 / Yellow ferralitic / Agriculture / 7.3 / negative / A / 15131
23 / 22.94767 / -82.14096 / 150 / Yellow ferralitic / Livestock / 6.0 / negative / D / 476
24 / 22.94931 / -82.14153 / 146 / Yellow ferralitic / Livestock / 5.7 / negative / D / 513
25 / 22.94995 / -82.14541 / 140 / Yellow ferralitic / Livestock / 5.3 / negative / D / 916
26 / 22.95512 / -82.14826 / 148 / Yellow ferralitic / Livestock / 7.0 / negative / G / 360
27 / 22.94067 / -82.09318 / 112 / Red ferralitic / Livestock / 6.5 / negative / C / 1335
28 / 22.93252 / -82.10400 / 123 / Yellow ferralitic / Livestock / 6.1 / negative / C / 2203
29 / 22.93351 / -82.08675 / 118 / Yellow ferralitic / Agriculture / 7.1 / negative / C / 430
30 / 22.93561 / -82.08528 / 116 / Yellow ferralitic / Forest / 7.5 / very positive / C / 350
31 / 22.99024 / -82.21736 / 133 / Yellow ferralitic / Livestock / 6.3 / negative / N / -
32 / 22.94364 / -82.15568 / 158 / Red ferralitic / Livestock / 7.5 / very positive / J / 331
33 / 22.81318 / -82.03197 / 70 / Red ferralitic / Agriculture / 8.0 / positive / K / 44
34 / 22.81380 / -82.03532 / 56 / Red ferralitic / Livestock / 8.0 / positive / K / 31
35 / 22.74191 / -82.03600 / 29 / Gley dark plastic / Agriculture / 7.9 / weak / K / 83
36 / 22.86170 / -82.07363 / 87 / Red rendzine / Livestock / NA / negative / K / 79
37 / 22.71817 / -82.03778 / 56 / Cuarsítico gley yellow / Agriculture / 7.9 / positive / K / 73
38 / 22.87942 / -81.92469 / 115 / Grayish brown / Livestock / 6.8 / negative / K / 42
39 / 22.99199 / -82.15715 / 130 / Red ferralitic / Livestock / 6.7 / negative / N / -s
aNA: not analysed. ND: not detected. bSoil type terminology according toHernandez Jimenez et al. (2015). cCapital letters indicate emission source type: A: thermo-electric power plant. B: zeolite production. C: asphalt factory. D: cable industry. E: rum factory. F: paint industry. G: rubber manufactures. H: firebrick production. I: electrical power transformer station.J: waste incineration plant. K: traffic/roads.N: negative control.
Table S2. Quality control and assurance parameters of the analytical methods used to quantify polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) in soils of Mayabeque, Cuba.
Analyte / KB6
MDL [µg/kg] / MQL [µg/kg] / Average blank [µg/kg] / Average extraction standard recovery [%] / Average (Cuban Team)[µg/kg] / CV (Cuban Team) [%] / Average (Swiss Team) [µg/kg]c / CV (Swiss Team) [%]c / p-valuef
PAHs
NAP / 0.04 / 0.15 / 0.5a / 19 / 15b / 24b / 10 / 32 / 0.70
ANY / 0.03 / 0.11 / ND / 24 / 4b / 19b / 5 / 2 / >0.99
ANA / 0.07 / 0.25 / ND / 23 / 6b / 25b / 6 / 7 / 0.93
FLU / 0.07 / 0.24 / ND / 28 / 7b / 25b / 6 / 15 / 0.40
PHE / 0.13 / 0.42 / 0.3a / 33 / 182b / 16b / 168 / 6 / 0.60
ANT / 0.58 / 1.94 / ND / 24 / 16b / 28b / 14 / 5 / 0.93
FLT / 0.15 / 0.49 / ND / 43 / 649b / 15b / 548 / 12 / 0.13
PYR / 0.12 / 0.41 / ND / 40 / 539b / 16b / 497 / 6 / 0.53
BaA / 0.05 / 0.17 / ND / 40 / 422b / 19b / 347 / 14 / 0.27
CHR / 0.05 / 0.18 / ND / 33 / 531b / 19b / 482 / 7 / 0.80
BbF / 0.02 / 0.07 / ND / 41 / 682b / 22b / 596 / 9 / 0.53
BkF / 0.03 / 0.11 / ND / 36 / 293b / 21b / 328 / 8 / 0.53
BaP / 0.09 / 0.30 / ND / 11 / 542b / 20b / 419 / 18 / 0.53
IPY / 0.17 / 0.57 / ND / 38 / 407b / 22b / 423 / 3 / 0.80
DBA / 0.01 / 0.02 / ND / 34 / 69b / 12b / 74 / 5 / 0.80
BPE / 0.68 / 2.27 / ND / 24 / 413b / 19b / 403 / 2 / 0.80
PAH16 / - / - / - / 4801b / 16b / 4326 / 7 / 0.53
PCBs
PCB#28 / 0.03 / 0.11 / 0.2d / 66 / NDe / 5e / NA / NA / -
PCB#52 / 0.11 / 0.37 / 0.1d / 50 / 0.5e / 9e / NA / NA / -
PCB#101 / 0.05 / 0.17 / 0.1d / 73 / 0.6e / 15e / NA / NA / -
PCB#118 / 0.04 / 0.14 / 0.2d / 71 / 0.3e / 23e / NA / NA / -
PCB#153 / 0.03 / 0.11 / 0.3d / 91 / 1.1e / 37e / NA / NA / -
PCB#138 / 0.05 / 0.16 / 0.3d / 71 / 0.7e / 19e / NA / NA / -
PCB#180 / 0.10 / 0.33 / 0.2d / 70 / NDe / 41e / NA / NA / -
PCB7 / - / - / - / 3.2e / 11e / - / - / -
a n=3. b n=4. c n=2. d n=5. e n=3. f non-parametric ANOVA with the Kruskal Wallis method. CV: coefficient of variation. KB6: Control soil of the Swiss National Soil Monitoring Network. MDL: method detection limit. MQL: method quantification limit. NA: not analyzed. ND: not detected.
Table S3. Concentrations[µg/kg] of the 16 US Environmental Protection Agency’s priority polycyclic aromatic hydrocarbons (PAHs; individual and as a sum (PAH16)) in soils of Mayabeque, Cuba.a
Soil sample number / NAP / ANY / ANA / FLU / PHE / ANT / FLT / PYR / BaA / CHR / BbF / BkF / BaP / IPY / DBA / BPE / PAH16
1 / 11 / 0.8 / 1 / 2 / 17 / 1 / 6 / 6 / 1 / 3 / 3 / 2 / 6 / 4 / 5 / 6 / 75
2 / 14 / 1 / 0.8 / 2 / 22 / 2 / 10 / 10 / 2 / 5 / 5 / 3 / 3 / 5 / 0.4 / 7 / 92
3 / 12 / 0.4 / 0.5 / 0.8 / 9 / 0.7 / 4 / 4 / 1 / 1 / 2 / 1 / 9 / 3 / ND / 3 / 52
4 / 10 / 0.8 / 0.4 / 0.8 / 13 / 1 / 6 / 6 / 1 / 2 / 3 / 2 / 1 / 2 / 2 / 4 / 55
5 / 9 / 0.6 / 0.7 / 2 / 16 / 0.9 / 5 / 5 / 1 / 3 / 3 / 1 / 3 / 3 / 2 / 5 / 60
6 / 12 / 0.2 / 0.7 / 2 / 19 / 1 / 8 / 8 / 2 / 4 / 5 / 3 / 4 / 6 / ND / 7 / 82
7 / 11 / 0.7 / 0.6 / 2 / 13 / 1 / 4 / 3 / 0.8 / 1 / 1 / 0.6 / 0.7 / 1 / ND / 1 / 42
8 / 9 / 0.6 / 0.6 / 2 / 14 / 1 / 3 / 3 / 0.9 / 2 / 1 / 0.8 / 2 / 0.9 / ND / 1 / 42
9 / 11 / 0.7 / 1 / 2 / 17 / 1 / 4 / 4 / 1.0 / 1 / 1 / 0.7 / 1 / 1 / ND / 1 / 49
10 / 6 / ND / ND / 0.8 / 5 / ND / 2 / 1 / 0.5 / 0.7 / 0.6 / 0.4 / 0.6 / 0.7 / ND / ND / 19
11 / 12 / 0.6 / 0.5 / 0.7 / 9 / 0.7 / 8 / 6 / 2 / 4 / 5 / 3 / 7 / 3 / 0.5 / 3 / 66
12 / 9 / 0.3 / 0.4 / 2 / 14 / ND / 3 / 2 / 0.5 / 0.8 / 0.7 / 0.6 / ND / 1 / 1 / 2 / 37
13 / 9 / ND / 0.5 / 2 / 12 / ND / 2 / 2 / 0.3 / 0.8 / 0.6 / 0.2 / 1 / 0.3 / 0.1 / 1 / 32
14 / 9 / 0.2 / 0.5 / 0.7 / 8 / 0.6 / 3 / 3 / 0.6 / 1 / 1 / 0.7 / 0.8 / 1 / ND / 2 / 32
15 / 4 / 0.2 / 0.5 / 1 / 9 / ND / 2 / 2 / 0.4 / 0.9 / 0.6 / 0.4 / 1 / 0.7 / 0.0 / 1 / 24
16 / 8 / 0.3 / 0.9 / 2 / 13 / ND / 1 / 1 / 0.1 / 0.2 / 0.2 / 0.2 / ND / ND / ND / ND / 27
17 / 7 / 0.5 / 1.6 / 2 / 14 / 1 / 5 / 6 / 4 / 6 / 5 / 3 / 5 / 4 / 0.5 / 4 / 70
18 / 8 / 2 / 0.7 / 2 / 14 / ND / 2 / 2 / 0.9 / 1 / 0.5 / 0.5 / ND / ND / ND / ND / 32
19 / 7 / 0.2 / 0.2 / 1 / 16 / ND / 2 / 1 / 0.6 / 0.8 / 0.6 / 0.4 / ND / ND / ND / ND / 31
20 / 10 / 0.2 / 0.5 / 2 / 15 / ND / 2 / 2 / 0.5 / 0.6 / 0.4 / 0.4 / ND / ND / ND / ND / 34
21 / 4 / 0.2 / 0.6 / 1 / 12 / ND / 2 / 2 / 0.5 / 0.9 / 1 / 0.7 / ND / 1 / ND / 2 / 28
22 / 6 / 0.3 / 0.3 / 0.6 / 9 / ND / 2 / 1 / 0.3 / 0.6 / 0.3 / 0.2 / ND / ND / ND / ND / 21
23 / 7 / 0.7 / 0.5 / 2 / 15 / ND / 3 / 2 / 0.9 / 2 / 1 / 0.6 / 0.5 / 1 / ND / 2 / 39
24 / 7 / 0.2 / 0.3 / 2 / 13 / ND / 2 / 1 / 0.4 / 1 / 0.5 / 0.3 / 0.5 / ND / ND / ND / 29
25 / 9 / 0.5 / 0.2 / 2 / 14 / ND / 3 / 2 / 0.5 / 1 / 0.4 / 0.2 / ND / 0.2 / ND / ND / 33
26 / 6 / 0.7 / 0.3 / 0.8 / 16 / 0.8 / 15 / 14 / 8 / 12 / 6 / 4 / 9 / 5 / 1 / 8 / 106
27 / 7 / 0.3 / 0.1 / 1 / 12 / ND / 2 / 1 / 0.4 / 0.6 / 0.4 / 0.3 / ND / ND / ND / ND / 25
28 / 6 / 0.3 / 0.1 / 0.8 / 12 / ND / 2 / 1 / 0.4 / 0.8 / 0.4 / 0.2 / ND / 0.2 / 0.1 / ND / 24
29 / 7 / 0.6 / 0.2 / 1 / 15 / 0.6 / 3 / 2 / 0.5 / 1 / 0.7 / 0.4 / 0.5 / 0.7 / ND / 1 / 35
30 / 14 / 1 / 0.5 / 2 / 17 / 2 / 6 / 6 / 2 / 3 / 3 / 1 / 5 / 3 / 0.4 / 10 / 75
31 / 6 / 0.3 / 0.2 / 0.7 / 13 / ND / 3 / 2 / 1 / 1 / 1 / 0.4 / ND / 0.3 / ND / ND / 29
32 / 6 / 0.4 / 0.7 / 2 / 15 / 1 / 7 / 6 / 3 / 4 / 2 / 1 / 6 / 3 / 0.3 / 4 / 61
33 / 10 / 0.9 / 0.6 / 2 / 21 / 1 / 8 / 7 / 1 / 3 / 2 / 1 / 8 / 2 / 0.2 / 4 / 73
34 / 11 / 1 / 0.7 / 2 / 23 / 2 / 11 / 10 / 2 / 5 / 4 / 2 / 5 / 3 / 0.3 / 5 / 87
35 / 15 / 1.7 / 0.5 / 2 / 21 / 3 / 6 / 4 / 1 / 2 / 1 / 0.8 / 3 / 0.6 / 0.1 / 2 / 64
36 / 10 / 0.8 / 0.5 / 2 / 16 / 1 / 5 / 3 / 1 / 2 / 1 / 0.7 / 1 / 1 / ND / 7 / 53
37 / 11 / 1 / 0.9 / 3 / 24 / 3 / 12 / 10 / 3 / 6 / 4 / 2 / 3 / 3 / 0.4 / 4 / 89
38 / 19 / 3 / 0.4 / 3 / 20 / 2 / 5 / 5 / 0.6 / 1 / 0.6 / 0.3 / 2 / 0.6 / ND / 4 / 67
39 / 5 / 0.2 / 0.3 / 1 / 14 / ND / 2 / 2 / 0.4 / 0.6 / 0.5 / 0.3 / ND / ND / ND / 3 / 29
a Numbers in italics are above the method detection limit, but below the method quantification limit (see Table S2). ND: not detected. NAP: naphthalene, ANY: acenaphthylene, ANA: acenaphthene, FLU: fluorene, PHE: phenanthrene, ANT: anthracene, FLT: fluoranthene, PYR: pyrene, BaA: benzo[a]anthracene, CHR: chrysene, BbF: benzo[b]fluoranthene, BkF: benzo[k]fluoranthene, BaP: benzo[a]pyrene, IPY: indeno[1,2,3-cd]pyrene, DBA: dibenz[a,h]anthracene, BPE: benzo[ghi]perylene.
Table S4. Concentrations of molecular markers [µg/kg] and further source diagnostic ratios of methylated polycyclic aromatic hydrocarbons in soils of Mayabeque, Cuba.a
Soil sample number / cPHE / RET / cPYR / PER / COR / (mPHE&ANT)/PHE / (mFLT&PYR)/PYR / 1,7-/(1,7&2,6-)dmPHE
1 / 27.6 / 3.9 / 0.1 / ND / 1.8 / 0.82 / 0.40 / 0.55
2 / 5.6 / 0.6 / 0.4 / 1.7 / 6.3 / 0.57 / 0.07 / 0.58
3 / 1.6 / 1.3 / 0.7 / 0.6 / 3.1 / 0.29 / 0.55 / 0.33
4 / 0.2 / 1.6 / 0.2 / 2.1 / 1.7 / 0.60 / 0.24 / 0.61
5 / 10.7 / 1.2 / 0.4 / 0.7 / 5.6 / 0.65 / 0.09 / 0.60
6 / 59.5 / 6.6 / 0.2 / ND / 5.0 / 0.84 / 0.16 / 0.61
7 / 10.3 / 1.1 / 0.5 / ND / 6.0 / 0.56 / 0.11 / 0.58
8 / 7.6 / 0.6 / 0.2 / 0.1 / 1.9 / 0.59 / 0.14 / 0.60
9 / 21.7 / 2.1 / 0.1 / ND / 1.6 / 0.69 / 0.22 / 0.60
10 / 0.9 / 1.7 / 0.2 / 0.2 / 1.2 / 0.67 / 0.14 / 0.79
11 / 2.5 / 0.4 / 0.1 / ND / 0.5 / 1.11 / 0.45 / 0.67
12 / ND / 1.1 / 0.2 / 1.5 / 1.6 / 0.50 / 0.40 / 0.66
13 / 219.8 / 4.3 / 0.1 / ND / 1.4 / 0.63 / 0.18 / 0.55
14 / 0.7 / 1.7 / 0.1 / ND / 1.0 / 0.39 / 0.61 / 0.26
15 / 0.2 / 0.4 / 0.2 / ND / 1.4 / 0.42 / 0.28 / 0.59
16 / 0.8 / 1.3 / 0.1 / ND / 1.2 / 0.62 / 0.46 / 0.55
17 / 333.1 / 2.6 / 107.0 / 0.3 / 0.6 / 0.52 / 0.24 / 0.44
18 / 80.0 / 2.1 / 0.2 / 0.9 / 1.5 / 0.86 / 0.62 / 0.56
19 / 66.8 / 4.2 / ND / ND / 4.0 / 0.65 / 0.81 / 0.54
20 / 300.2 / 80.8 / ND / ND / 2.6 / 0.51 / 1.50 / 0.58
21 / 122.7 / 23.8 / ND / ND / 1.4 / 0.61 / 0.82 / 0.58
22 / 1.7 / 3.1 / ND / ND / 0.9 / 0.53 / 0.25 / 0.60
23 / 1.7 / 12.3 / ND / ND / 2.3 / 0.56 / 0.58 / 0.57
24 / 0.7 / 1.9 / ND / ND / 1.0 / 0.61 / 0.48 / 0.49
25 / 1.8 / 6.0 / ND / ND / 1.4 / 0.60 / 0.72 / 0.57
26 / 1.2 / 3.6 / 0.2 / ND / 5.3 / 0.60 / 0.31 / 0.56
27 / 2.0 / 6.2 / ND / ND / 2.7 / 0.64 / 0.45 / 0.55
28 / 0.6 / 5.5 / ND / ND / 1.3 / 0.56 / 0.59 / 0.57
29 / 2.7 / 28.8 / 0.1 / ND / 4.5 / 0.63 / 0.65 / 0.59
30 / 1.7 / 1.8 / 0.2 / ND / 12.6 / 0.63 / 0.47 / 0.60
31 / 0.5 / 14.2 / 0.1 / ND / 1.9 / 0.57 / 0.56 / 0.58
32 / 3.8 / 2.7 / 0.1 / ND / 2.2 / 0.56 / 0.39 / 0.56
33 / 4.5 / 7.1 / 0.2 / ND / 2.8 / 0.52 / 0.28 / 0.58
34 / 3.7 / 7.3 / 0.3 / ND / 4.0 / 0.58 / 0.27 / 0.59
35 / 2.4 / 1.3 / 0.1 / ND / 1.5 / 0.74 / 0.41 / 0.53
36 / 0.8 / 1.7 / 0.1 / ND / 0.9 / 0.55 / 0.37 / 0.55
37 / 8.0 / 4.7 / 0.3 / ND / 1.3 / 0.61 / 0.39 / 0.56
38 / 16.9 / 11.8 / 0.2 / ND / 7.1 / 0.48 / 0.41 / 0.57
39 / 3.6 / 7.2 / ND / ND / 1.0 / 0.61 / 0.75 / 0.56
acPHE: 4-H-cyclopenta[def]phenanthrene, RET: retene, cPYR: cyclopenta[cd]pyrene, PER: perylene, COR: coronene, (mPHE&ANT)/PHE: (methylphenanthrenes and –anthracenes)/phenanthrene, (mFLT&PYR)/PYR: (methylfluoranthenes and –pyrenes)/pyrene, 1,7-/(1,7&2,6-)dmPHE: 1,7-/(1,7- and 2,6)-dimethylphenanthrene. ND: not detected.
Table S5. Total organic carbon (TOC) and Black Carbon (BC) content [%] of soils of Mayabeque, Cuba.
Soil sample number / TOC / BC
1 / 2.909 / 0.229
2 / 4.282 / 0.298
3 / 3.182 / 0.246
4 / 2.809 / 0.271
5 / 2.881 / 0.226
6 / 3.659 / 0.296
7 / 3.387 / 0.304
8 / 2.929 / 0.229
9 / 4.697 / 0.360
10 / 2.322 / 0.191
11 / 2.542 / 0.196
12 / 1.999 / 0.135
13 / 3.016 / 0.176
14 / 4.627 / 0.226
15 / 1.856 / 0.144
16 / 2.008 / 0.136
17 / 2.375 / 0.199
18 / 1.908 / 0.141
19 / 1.654 / 0.124
20 / 3.166 / 0.127
21 / 2.081 / 0.126
22 / 2.105 / 0.098
23 / 2.372 / 0.100
24 / 2.129 / 0.087
25 / 2.592 / 0.108
26 / 2.343 / 0.132
27 / 2.290 / 0.117
28 / 1.826 / 0.063
29 / 2.600 / 0.103
30 / 3.524 / 0.173
31 / 2.316 / 0.096
32 / 4.509 / 0.222
33 / 1.622 / 0.087
34 / 1.778 / 0.110
35 / 1.691 / 0.088
36 / 2.684 / 0.112
37 / 1.258 / 0.081
38 / 2.770 / 0.159
39 / 1.404 / 0.112
Table S6. Concentrations [µg/kg] of the seven Institute for Reference Materials and Measurements (IRMM) polychlorinated biphenyls (PCBs; individual and as a sum (PCB7)) in soils of Mayabeque, Cuba.a
Soil sample number / PCB#28 / PCB#52 / PCB#101 / PCB#118 / PCB#153 / PCB#138 / PCB#180 / PCB7
1 / ND / 0.36 / 0.82 / 0.17 / 1.02 / 0.52 / 0.52 / 3.40
2 / ND / 0.47 / 1.15 / 0.25 / 1.43 / 0.77 / 0.70 / 4.77
3 / ND / 0.40 / 1.07 / 0.31 / 2.26 / 1.40 / 2.16 / 7.60
4 / ND / 0.44 / 1.16 / 0.29 / 1.90 / 1.38 / 1.25 / 6.42
5 / ND / 0.43 / 0.52 / 0.16 / 0.87 / 0.50 / 0.55 / 3.02
6 / ND / 0.40 / 0.99 / 0.31 / 2.01 / 1.43 / 1.50 / 6.64
7 / ND / 0.51 / 1.57 / 0.36 / 2.20 / 1.52 / 1.35 / 7.51
8 / ND / 0.42 / 1.05 / 0.24 / 1.53 / 0.82 / 0.75 / 4.81
9 / ND / 0.50 / 1.19 / 0.30 / 1.83 / 1.03 / 1.15 / 6.02
10 / ND / 0.34 / 0.46 / 0.18 / 1.06 / 0.62 / 0.88 / 3.53
11 / 0.23 / 0.40 / 0.20 / 0.67 / 0.65 / 0.48 / 0.36 / 2.98
12 / 0.35 / 0.48 / 0.15 / 1.13 / 0.84 / 0.73 / ND / 3.69
13 / 0.37 / 0.45 / 0.12 / 0.75 / 0.66 / 0.33 / ND / 2.68
14 / 0.32 / 0.44 / 0.10 / 0.83 / 0.72 / 0.42 / ND / 2.82
15 / 0.34 / 0.42 / 0.13 / 0.93 / 0.86 / 0.57 / ND / 3.26
16 / 0.46 / 0.52 / 0.19 / 0.96 / 0.94 / 0.52 / ND / 3.60
17 / 0.44 / 0.36 / 0.09 / 0.52 / 0.42 / 0.27 / ND / 2.10
18 / 0.55 / 0.60 / 0.17 / 0.89 / 0.79 / 0.43 / ND / 3.44
19 / 0.38 / 0.41 / 0.14 / 0.72 / 0.64 / 0.34 / ND / 2.63
20 / 0.35 / 0.34 / 0.10 / 0.49 / 0.41 / 0.25 / ND / 1.95
21 / ND / ND / 0.29 / ND / 0.67 / 0.45 / 0.48 / 1.89
22 / 0.38 / 0.54 / 0.15 / 1.18 / 1.15 / 0.58 / ND / 3.98
23 / 0.14 / 0.31 / 0.16 / 0.10 / 0.31 / 0.16 / 0.21 / 1.39
24 / 0.15 / 0.31 / 0.21 / 0.08 / 0.37 / 0.21 / 0.24 / 1.56
25 / 0.22 / 0.33 / 0.14 / 0.07 / 0.29 / 0.14 / 0.20 / 1.39
26 / 0.24 / 0.39 / 0.18 / 0.09 / 0.30 / 0.15 / 0.18 / 1.52
27 / 0.21 / 0.37 / 0.14 / 0.07 / 0.27 / 0.16 / 0.22 / 1.44
28 / 0.12 / 0.28 / 0.19 / 0.07 / 0.41 / 0.22 / 0.25 / 1.55
29 / 0.15 / 0.33 / 0.13 / 0.04 / 0.23 / 0.10 / 0.13 / 1.11
30 / 0.15 / 0.32 / 0.25 / 0.20 / 0.49 / 0.34 / 0.29 / 2.03
31 / 0.18 / 0.33 / 0.19 / 0.08 / 0.37 / 0.24 / 0.26 / 1.65
32 / 0.14 / 0.25 / 0.31 / 0.18 / 1.00 / 0.67 / 0.62 / 3.16
33 / 0.13 / 0.24 / 0.24 / 0.12 / 0.52 / 0.35 / 0.35 / 1.93
34 / 0.15 / 0.22 / 0.20 / 0.12 / 0.48 / 0.34 / 0.35 / 1.86
35 / 0.12 / 0.27 / 0.21 / 0.10 / 0.34 / 0.23 / 0.25 / 1.52
36 / 0.11 / 0.26 / 0.34 / 0.15 / 0.82 / 0.54 / 0.65 / 2.88
37 / 0.17 / 0.32 / 0.43 / 0.36 / 0.66 / 0.51 / 0.39 / 2.85
38 / 0.15 / 0.28 / 0.36 / 0.15 / 0.90 / 0.61 / 0.79 / 3.23
39 / 0.16 / 0.28 / 0.35 / 0.13 / 0.60 / 0.38 / 0.41 / 2.31
a Concentrations at or below the average blank concentration (see Table S2) are marked in italic. Underlined numbers are above the method detection limit, but below the method quantification limit (see Table S2). ND: not detected.
Reference list
Hernandez Jimenez A, Perez Jimenez M, Bosch Infante D, Castro Speck N (2015) Clasificacion de los suelos de Cuba 2015. Instituto Nacional de Ciencias Agricolas, Instituto de Suelos, Editiones INCA, Cuba 2015, 89 pp