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Table 4 Contamination factor, pollution load index, quantification of contamination and sediment quality guidelines

From: Radon emanation and heavy-metals assessment of historical warm and cold springs in Nigeria using different matrices

Sample and parameter \(C_{f}^{i}\) PLI QoC (%)
Pb Cu Fe Cd Ni   Pb Cu Fe Cd Ni
C1 0.54 0.13 0.03 5.33 0.03 0.20 − 85.19 − 662.71 − 2992.72 81.25 − 330.00
C2 0.46 0.11 0.03 5.50 0.02 0.18 − 119.78 − 837.50 − 3651.00 81.82 − 4757.1
C3 0.49 0.15 0.04 5.33 0.04 0.23 − 106.19 − 581.82 − 2438.04 81.25 − 2515.38
C4 0.42 0.16 0.03 5.67 0.02 0.19 − 140.96 − 533.80 − 2787.70 82.35 − 5130.77
C5 0.26 0.16 0.02 3.00 0.01 0.12 − 284.62 − 525.00 − 4841.70 66.67 − 9614.29
C6 0.56 0.23 0.02 3.00 0.01 0.15 − 79.28 − 341.18 − 4500.99 66.67 − 7455.56
C7 0.46 0.08 0.04 3.00 0.02 0.15 − 117.39 − 1084.21 − 2730.30 66.67 − 5130.77
C8 0.47 0.09 0.03 3.67 0.02 0.16 − 115.05 − 971.43 − 3651.00 72.73 − 4757.14
C9 0.34 0.28 0.03 4.00 0.02 0.19 − 198.51 − 251.56 − 3437.88 75.00 − 5566.67
C10 0.36 0.31 0.03 3.67 0.02 0.19 − 177.78 − 219.15 − 3131.83 72.73 − 6081.82
W1 0.43 0.15 0.04 2.67 0.01 0.15 − 135.29 − 581.82 − 2713.25 62.50 − 8400.00
W2 0.51 0.16 0.04 2.00 0.01 0.15 − 98.02 − 525.00 − 2458.90 50.00 − 9614.29
W3 0.51 0.15 0.04 2.67 0.01 0.15 − 96.08 − 561.76 − 2223.38 62.50 − 13,500.00
W4 0.15 0.15 0.04 2.67 0.00 0.00 − 589.66 − 581.82 − 2332.29 62.50 − 22,566.60
W5 0.23 0.14 0.03 2.00 0.02 0.13 − 334.78 − 637.70 − 2773.85 50.00 − 6081.82
W6 0.47 0.13 0.04 5.00 0.02 0.19 − 115.05 − 675.86 − 2538.42 80.00 − 6081.82
W7 0.53 0.15 0.04 4.33 0.02 0.19 − 88.68 − 581.82 − 2465.93 76.92 − 5130.00
W8 0.52 0.27 0.04 4.67 0.02 0.22 − 92.31 − 268.85 − 2246.73 78.57 − 5566.00
W9 0.46 0.23 0.02 3.00 0.02 0.17 − 119.78 − 341.18 − 4478.43 66.67 − 6081.00
W10 0.46 0.17 0.03 2.67 0.01 0.14 − 117.39 − 492.11 − 3636.00 62.50 − 7455.00
Global baseline values and sediment quality (mg kg−1)
  Pb Cu Fe Cd Ni
ERL 47 34 1.2 21
ERM 220 270 9.6 52
TEL 30.2 18.7 0.7
PEL 112 108 4.2
MEC 14 50 4.1
MWS 19 33 4.1
MCS 20 45 46,700 0.3 68
Present study 2.9–11.8 3.8–12.8 945.0–2010.0 0.6–1.7 0.3 Min–2.6 Max