How To Test Soil For Toxicity After Flooding
Q: Our community garden has been flooded twice from a creek we think has toxic material in it. Where can we send a soil sample to test toxicity?
A: Testing for “toxicity” is an inexact and frustrating process. You have to specify what to test for in order to get a positive or negative result. There could be dozens of bad things in flood water besides E. coli and heavy metals. I found a great resource for gardening in flood-prone areas at bit.ly/GAflooded.
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