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RedR TSS

Lots on the internet on this from WHO, FAO and others as it is a widespread practice. Yes there is a risk from those working in the fields - aerosol and direct contact - so good that they are thinking about this. Issue with crops depends very much on delay between last irrigation with dirty water and harvesting, also how food is prepared (uncooked salad is obviously more dangerous than boiled potatoes). Munich sewage works used to at least grow fish in some of their tanks....

Regards,

Tim

Lots on the internet on this from WHO, FAO and others as it is a widespread practice. Yes there is a risk from those working in the fields - aerosol and direct contact - so good that they are thinking about this. Issue with crops depends very much on delay between last irrigation with dirty water and harvesting, also how food is prepared (uncooked salad is obviously more dangerous than boiled potatoes). Munich sewage works used to at least grow fish in some of their tanks....

Here is the URL for the WHO guidelines now in their third edition http://www.who.int/water_sanitation_health/wastewater/gsuww/en/index.html They can be downloaded for free in PDF format.

Regards,

Tim