Table 2.
Comparison of the Present Study with Other Studies Reported in the Literature for Lead in Paint Samples
Countries | Samples | Number of Samples | Average concentration | Maximum concentration | Percentage of samples with concentrations ≥ 90 ppma | Percentage of samples with concentrations ≥ 600 ppmb | Reference number |
---|---|---|---|---|---|---|---|
Nigeria | water-based | 174 | 811 | 3231 | 100 | 72 | This study |
Nigeria | water-based | 8 | 86 | 516 | 5 | none | 46 |
oil-based | 11 | 45 | 159 | 11 | none | ||
Nigeria | oil-based | 25 | 14500 | 50000 | NA | 96 | 47 |
Cameroon | oil-based | 61 | NA | 500000 | 66 | 64 | 48 |
Brazil | oil-based | 20 | 5600 | 5900 | 35 | 30 | 41 |
Sri Lanka | water-based | 11 | 4177 | 45743 | 10 | 10 | 38 |
oil-based | 19 | 25210 | 137325 | 68 | 68 | ||
Philippines | water-based | 10 | 11 | 40 | none | none | 38 |
oil-based | 15 | 28354 | 189163 | 67 | 60 | ||
Thailand | water-based | 10 | 3 | 15 | none | none | 38 |
oil-based | 17 | 61893 | 505716 | 47 | 47 | ||
Tanzania | water-based | 6 | 22 | 40 | none | none | 38 |
oil-based | 20 | 14537 | 120862 | 100 | 95 | ||
South Africa | oil-based | 29 | 19862 | 195289 | 65 | 62 | 38 |
Nigeria | water-based | 7 | 8458 | 34598 | 100 | 100 | 38 |
oil-based | 23 | 36989.5 | 129837 | 100 | 100 | ||
Senegal | water-based | 9 | 5.5 | 29 | none | none | 38 |
oil-based | 21 | 5866 | 29717 | 86 | 76 | ||
Belarus | water-based | 8 | 58 | 418 | none | none | 38 |
oil-based | 22 | 5558 | 59387 | 82 | 68 | ||
Mexico | water-based | 10 | 6 | 16 | none | none | 38 |
oil-based | 20 | 51860 | 163812 | 100 | 100 | ||
Brazil | water-based | 7 | 10 | 14 | none | none | 38 |
oil-based | 24 | 15004 | 170258 | 42 | 37 | ||
India | oil-based | 22 | 9411 | 49593 | 36 | 36 | 38 |
India | oil-based | 26 | 16600 | 134000 | 42 | 35 | 41 |
India | oil-based | 5 | 106000 | 290000 | 100 | 100 | 49 |
India | water-based | 38 | NA | 140000 | 38 | 49 | 50 |
oil-based | 31 | NA | NA | 84 | NA | ||
India | oil-based | 17 | NA | NA | 100 | NA | 51 |
India | oil-based | 148 | NA | 80350 | 85 | NA | 52 |
Armenia | oil-based | 26 | 25000 | 130000 | 77 | 77 | 41 |
Kazakhstan | oil-based | 26 | 15700 | 71000 | 81 | 77 | 41 |
Note: NA-not available;
a Present permissible limit of 90 ppm for Pb and
b previous permissible limit of 600 ppm for Pb by the US Consumer Product Safety Commission.