[USCC] Contaminated park brings end to community garden plan

[Lindsay Bramwell]

Hi Paul,

Has there been any work looking into the bioaccessible (effective) lead concentration and vegetable uptake of lead? And do you know what the source of this contamination is?

I've been working on human health risk assessment for community gardens for a few years now and for sources such as coal fire ash usd as a soil conditioner (lead is often found in coal) and ash from bonfires containing painted (lead paint) window frames bioaccessibility and plant uptake are low.

I'm happy to discuss in more detail if you would like to contact me personally.

Lindsay
lindsay.bramwell at ncl.ac.uk
+44 (0) 191 2225673

Institute of Health & Society
Newcastle University


-----Original Message-----
From: apismno at aol.com [mailto:apismno at aol.com] 
Sent: 01 May 2009 16:07
To: compost at mailman.cloudnet.com
Subject: Re: [USCC] Contaminated park brings end to community garden plan

There are probably phytoremediation choices that can be used for the lead.? The hydrocarbons might be biodegradable and so getting the pH ,N,P,K, etc into the ranges that promote microbial life might work.? Then just sow a crop that can be easily checked for Pb.? It could take several years, but the lead is the more difficult problem to remediate, yet probably doable for reasonable cost.

It could become a learning center until the lead is diminished.

Barbara Emeneau


-----Original Message-----
From: IMI 360 <focus at netidea.com>
To: U.S. Composting Council listserve <compost at mailman.cloudnet.com>
Sent: Thu, 30 Apr 2009 4:05 pm
Subject: [USCC] Contaminated park brings end to community garden plan



Any info out there about organic remediation of contaminated soil?

Contaminated park brings end to community garden plan

Stanley Avenue Park, in Ottawa's New Edinburgh neighbourhood, was fenced off last week after soil tests showed high levels of lead and hydrocarbons.

According to the city, the waiting lists for garden plots in most of Ottawa's neighbourhoods are two years long.

full story...http://www.cbc.ca/canada/ottawa/story/2009/04/30/
ottawa-090430-soil-contamination.html


Paul Hughes
Chair, Calgary Food Policy Council
2011 New Growing Spaces in Calgary by 2011
CLUCK: Calgary Liberated Urban Chicken Klub
http://twitter.com/GardenCommunity
c403.383.3420

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