Dear sir,
Kindly answer my question. I need it for my M.Sc research.
You can check following answers
https://www.researchgate.net/post/What_is_the_permissible_limit_of_heavy_metals_in_soil_and_water_as_per_EPA_or_WHO_guidelines
I think it will be useful for you.
https://www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_053279.pdf
Dear Rana,
The links provided by Vishnu and Yandong are very informative and would be very useful to you in your MSc research.
Best wishes in your MSc research.
I recommend Vishnu's answer
Best Regards
hi dear rana
i think it will be usefull for u
https://www.epa.gov/sites/production/files/2013-09/documents/metals-risk-assessment-final.pdf
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