Lesson for NZ: New Herbicide Withdrawn As Side Effects Disclosed
The US Environmental Protection Agency (EPA) has placed an immediate ban on sales of a herbicide it approved less than
a year ago. The herbicide Imprelis, marketed by Du Pont a subsidiary of Dow Chemical, is used on golf courses and
recreational areas to manage broad leaf weeds, but has caused severe damage to many tree species leading to the
immediate ban.
However, previous research showing problems caused by the product had not been disclosed until now, casting further
doubts on the process of regulation for chemicals and GMO's that relies on applicants' own data.
Du Pont has since provided over 7000 cases to the EPA showing that their studies had identified the herbicide caused
damage to trees. These findings appear to have been withheld when the EPA evaluated Du Pont's submission to approve the
herbicide.
The case shows again that there are serious risks to people and the environment emerging because of commercial pressure
on Governmental Agencies to approve deleterious products. There is dangerous lack of regulatory independence as a result
of the 'revolving door' which embeds former company employees as the officials in charge of regulating those same
companies.
The active ingredient in Imprelis, aminocyclopyrachlor, is a synthetic plant hormone (auxin). It is highly toxic to
aquatic life and even grass clippings that have been sprayed must not be composted. It works as a systemic non-specific
broad leaf herbicide killing plants within a few hours. Complete death of the weeds may require four to six weeks. Very
small, non visible amounts of spray drift have been found to seriously damage non target broadleaf plants.
2,4-D has a similar synthetic auxin plant hormone. Yet FSANZ has closed submissions on these applications citing no
safety data or concerns that the approval will increase toxicity in food.
Concern about the lack of data provision on environmental safety has direct parallels in the information provided to the
Food Standards Australia New Zealand (FSANZ) for its impending approval for GE corn and soy containing two GE proteins
engineered into the plants to withstand the Dow Chemical herbicide 2, 4-D and glufosinate cocktail.
“It is not clear if FSANZ have simply ignored the issue, and the effects of synthetic hormones have not been
investigated, or if the data have been withheld, and kept secret because of evidence of negative health effects,” says
Claire Bleakley president of GE Free NZ in Food and Environment.
“This latest and almost unprecedented product recall of Imprelis shows it is possible that signifiant data has been
deliberately withheld from authorities responsible for regulation of new GE foods. It is alarming that only one study
was cited by FSANZ reporting animal feeding tests,” says Mrs. Bleakley.
FSANZ are failing in the responsibilities unless they immediately halt approval and require further long term safety
data on the effects of eating food that is sprayed with a dioxin-producing synthetic plant hormone chemical, 2, 4-D.
ENDS