Sludge Watch ==> World Health Org : Guidelines for use of wastewater, excreta, greywater

[Maureen Reilly]

Sludgewatch Admin:

Does anyone have time to see what the World Health Organization thinks of 
using sewage treatment plant effluent to spray irrigate tender leafy greens 
like they do in Salinas Valley California?

I wonder what the guidelines say about sewage sludge use next to the same 
leafy greens in Yuma California?


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WHO publishes third edition of its guidelines for the safe use of
wastewater, excreta and greywater



http://www.who.int/water_sanitation_health/wastewater/wwguidnew/en/index.html