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arsenic in landscape timbers

Discussion in 'Landscape Architecture and Design' started by Lawngeek, May 9, 2001.

  1. Lawngeek

    Lawngeek Guest
    Posts: 0

    I recently built a 12 by 32 vegetable garden frame w my landlord using treated timbers now will the aresenic leach into the garden soil and poison us do I need to make a barrier?
  2. wd

    wd LawnSite Member
    Posts: 17

    You're more apt to get far more arsenic from your tap water (and other natural sources) than from your garden timbers.
  3. Dusty

    Dusty LawnSite Member
    Posts: 97

    There is presently a ground water arsenic analysis going on in New England by a government agency. It seems that there is a vain of arsenic that goes from Maine to New Jersey and it is believed to be leaching into the ground water. It came up last fall at a town meeting in Woodstock, Ct and nothing has been mentioned since. I believe that it was the EPA that was conducting the study. There has also been a study of acid rain effect on pressure treated lumber and it has shown to be a cause of arsenic contamination of soil. I don't know the particulars of this study, but just heard about it in a magazine article last winter. That is all the information that I can provide.
  4. Atlantic Lawn

    Atlantic Lawn LawnSite Senior Member
    Male, from Outer Banks NC
    Posts: 939

    There are different levels of treatment in timbers. Pilings used in building docks and bulkheads have much higher levels of tratment. I would worry more about splinters I get from those timbers than eating the veggies. You could always wrap the in ground timbers in black plastic and shed the water away from the garden area.

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