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Table 3 Summary statistics of heavy metals (mg/kg) compared with the average of worldwide soil

From: Soil characterization and heavy metal pollution assessment in Orabi farms, El Obour, Egypt

Parameter As Cd Cr Cu Pb
Mean 147.46 2.31 44.50 4.10 13.01
Median 147.8 1.9 44.5 4.55 10.8
SD 21.60 1.48 11.89 1.55 4.57
Min. 117.5 1.5 29.05 2 8.65
Max. 182.8 6.75 67.25 6.45 22.5
Q1 134.5 1.8 36.35 2.825 9.55
Q3 156.2 2 49.375 5.05 14.95
WSA 5 0.5 54 25 25
  1. WSA world soil average (after Kabata-Pendias and Mukherjee 2007)