Lead in Compost
- Subject: [cg] Lead in Compost
- From: C* Z*
- Date: Wed, 6 Feb 2002 14:35:45 -0600
|
Hello all.
I received some lead test results today for 13 community
gardens in the neighborhood where I live and work. For each garden, I sent
in samples of compost, soil from a garden bed, soil from a path or common area,
and some dry fall leaves.
In Minnesota, 100 ppm lead is considered contaminated and
400 ppm is considered hazardous. None of the results were in the hazardous
range.
What is curious to me, though, is that more than half of
the compost results came back at approximately 100 ppm lead, the threshold for
soil contamination. I'm wondering how the lead is getting into the
compost.
Anyone familiar with lead in compost?
Corrie Zoll
Program Director, GreenSpace Partners The Green Institute 2801 21st Avenue South, Suite 110 Minneapolis, MN 55407 Telephone 612-278-7119 Facsimile 612-278-7101 www.greeninstitute.org |
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