In Australia, vineyards use approximately 50 per cent of all agricultural posts, with the majority of pine posts used in agriculture treated with copperchromium-arsenic timber preservative.

For many years CCA was treated as relatively benign and it use was widespread. Most people knew that it should not be burnt, and if it was burnt the ash should not be applied to gardens or farmland. In the new era of environmental and chemical awareness, with much better detection systems and the inevitable effect of time and gradual decay or careless disposal, CCA materials are attracting much more attention….

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