I am here to share wastewster started from Pakistan.

I hope it will be good to compare it with the standards of other countries. We have relaxed most standards and easy for each industry to comply.

I think, USA standards are comparatively good one.

Please look at the following below links which may help you in your analysis:

http://greenpeace.to/publications/discharge-wastewater-treatment-PRD.pdf

http://www.tj.kyushu-u.ac.jp/leading/en/c_publication/EG2016-3-2content/Pages%2059-67.pdf https://www.intechopen.com/books/waste-water-treatment-technologies-and-recent-analytical-developments/determination-of-trace-metals-in-waste-water-and-their-removal-processes

Thanks

Hi.

Please take a look at the website and references of FAO.org

Good luck.

Regards. Younes

Thank you for all of you (@ Younes Boundir Isam Eldin Hussein Elgailani Nafees Mohammad )

Your are welcome, good luck @mohamed