I have this little science fair project in mind in which I hope to clean up some lead pollution in my friend's back yard with mustard plants. This is a little spot of ground about 20'x20' in Clinton Hill, Brooklyn. The soil has been tested and found to contain pretty high levels of lead (not sure on the exact numbers), probably from paint.
From my initial research, it looks like I will need to apply fertilizers and a chelating agent to the soil to help the mustard plants pick up the lead. It looks like the chelate I'll need is Ethylenediaminetetraacetic acid. This is where my expertise runs out, though. I'm hoping someone who is familiar with these agents may be able to talk to me briefly by phone about the application process. My main questions are: How much EDTA do I need to apply, and in what is the application medium, and what is the application timing? And is there a certain form in which I should buy my EDTA?
Thanks.
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