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Forum Name: Obstetrics
Question: Food Toxins & Pregnancy
|smoozi - Tue Aug 07, 2007 2:26 pm||
I have a garden bed made of pressure treated lumber. Are the vegetables harvested from this area safe for pregnant women? I know there are toxins in pressure treated lumber, but don't know if that would have any effect on the foods.
|Debbie Miller, RN - Wed Aug 08, 2007 12:18 pm||
"Pressure treated lumber containing arsenic, copper and chromium (CCA) may be used safely in food gardens. The arsenic, copper and chromium do leach into the soil over time, however, and may be transported into food crops grown close to the treated lumber... With time, small amounts of arsenic, chromium, and copper will leach out to the surrounding soil. Soil migration is limited, however, depending on the soil type. Although arsenic, chromium, and copper are commonly found in all soils, the levels surrounding treated wood, up to a distance of approximately 6 inches away, will likely exceed normal background levels of these elements. Therefore, because some garden plants will accumulate these elements, do not plant close to treated wood. Alternatives to CCA treated wood include the heartwood of cedar or redwood."
I hope this answers your question.
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