Environments

Countries/Regions

References

Surface water

Egypt, Spain, Thailand, Iran

[4] [20] [21] [22]

Well water

Egypt, Nigeria, Taiwan

[23] [24] [25]

Refuse dumps, Soils, vegetable farms, school playgrounds

Egypt, Nigeria, Sub-Saharan Africa, South-Asia, Japan

[20] [26] [27] [28]

Sandy beaches

Brazil

[29] [30]

Drinking water

Iraq, India, Japan, Iran

[27] [31] [32] [33]

Sewage water

Tunisia, Taiwan

[25] [34]