{"id":52,"date":"2013-02-06T00:00:00","date_gmt":"2013-02-06T00:00:00","guid":{"rendered":"http:\/\/healthyenvironmentgroup.org\/index.php\/2013\/02\/06\/new-study-queries-pesticide-safety-levels\/"},"modified":"2026-08-17T09:46:41","modified_gmt":"2026-08-17T09:46:41","slug":"new-study-queries-pesticide-safety-levels","status":"publish","type":"post","link":"https:\/\/healthyenvironmentgroup.org\/index.php\/2013\/02\/06\/new-study-queries-pesticide-safety-levels\/","title":{"rendered":"New study queries pesticide safety levels"},"content":{"rendered":"
New study queries pesticide safety levels
Tue 05 Jun 12, 16:13pm AEST<\/p>\n

Anna Salleh
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Pesticides could be damaging river biodiversity at levels that have been
  traditionally regarded as environmentally safe by authorities, suggests a new
  study. Ecotoxciologist Dr Ben Kefford, of University of Technology, Sydney, and
  colleagues, report their findings online in Environmental Science &
  Technology. “Pesticides are having an effect at 10 to 100 times lower
  concentrations than traditionally thought,” says Kefford. He says when
  authorities try to protect our streams and rivers from pesticides they rely on
  thresholds, under which it is assumed pesticides have no effect. For example,
  the European Union recommends the use of a commonly-used safety factor of 100.
  This means if a negative effect on an aquatic organism is only seen at a
  particular concentration of pesticide,…<\/p>\n

Source: Anna Salleh, “New study queries pesticide safety levels”, ABC Science, 5 June 2012. Original link unavailable \u2014 reference under repair (checked 17 August 2026).
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New study queries pesticide safety levelsTue 05 Jun 12, 16:13pm AEST Anna Salleh Pesticides could be damaging river biodiversity at levels that have been   traditionally regarded as environmentally safe by authorities, suggests a new   study. Ecotoxciologist Dr Ben Kefford, of University of Technology, Sydney, and   colleagues, report their findings online in Environmental<\/p>\n

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