Study Warns of Health Risk From Nonstick Cookware

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http://ens-news.com/ens/may2003/2003-05-16-10.asp

 

Study Warns of Health Risk From Nonstick Cookware

 

 

By J.R. Pegg

 

WASHINGTON, DC, May 16, 2003 (ENS) - An environmental research organization is

urging the federal government to put warning labels on cookware coated with

Teflon and similar nonstick coatings.

A new study released Thursday by the Environmental Working Group (EWG) finds

that this cookware more quickly reaches temperatures that produce toxic

particles and fumes than chemical giant and Teflon manufacturer DuPont has

previously admitted.

EWG tested coated pans and determined that in two to five minutes on a typical

household stove, the pans reach temperatures that produce toxins that Dupont has

acknowledged kill hundreds of pet birds each year and cause the flu like

" polymer fever " in humans.

" Our simple test showed DuPont is wrong when they tell customers the pans won't

degrade except under extreme misuse, " said Dr. Jennifer Klein, a chemist with

EWG. " Actually, the pans started emitting toxic particles and chemicals quite

quickly at temperatures within normal use on a typical stovetop. "

The study's findings prompted EWG to send a petition Thursday to the U.S.

Consumer Product Safety Commission (CPSC)asking the federal safety board to

label the coated cookware with a warning about dangers to pet birds and possible

human health effects.

The petition calls on CPSC to " require that all cookware and heated appliances

bearing polytetrafluoroethylene nonstick coatings, including Teflon coatings,

cary a label warning of the acute hazard the coating poses to pet birds and the

potential health risks to humans. " The study by Environmental Working Group

warns of health risks from common use of nonstick pans. (Photo by Ian Britton

courtesy FreeFoto.com)There have been no studies on the long term effects of

Teflon and similar coatings to humans, but DuPont has acknowledged that pans

heated to some 460 degrees Fahrenheit release toxic particles that can kill

birds.

There is ample evidence that this is the case in EWG's report " Canaries in the

Kitchen, " which details how birds can die from inhaling fumes and particles

emitted from Teflon coated products.

Studies by DuPont show that humans may experience " polymer fume fever " when

Teflon is heated to 662 degrees Fahrenheit.

The company contends that pans heated under 500 degrees have no risks to humans

because the coating stays intact at this temperature and company officials say

they do not believe consumers often heat pans above this temperature.

EWG's findings strongly dispute this as its tests show that cookware exceeds

these temperatures and turns toxic through the common act of preheating a pan,

on a burner set on high.

" Not only did we reach normal cooking temperatures in very short times, but what

American adult with a kitchen has not left a pan on once or twice and forgotten

about it?, " asked Jane Houlihan, EWG's vice president for research. " It is hard

to follow what DuPont is thinking when they say the pans don't off-gas toxic

chemicals under 'normal' use. "

In its tests, EWG found that a generic nonstick frying pan preheated on a

conventional, electric stovetop burner reached 736 degrees Fahrenheit in three

minutes and 20 seconds - a Teflon pan reached 721 degrees Fahrenheit in five

minutes under the same conditions.

EWG's study determined that at 680 degrees Fahrenheit, Teflon pans release at

least six toxic gases, including two carcinogens, two global pollutants, and

MFA, a chemical lethal to humans at low doses.

The long term human health effects from these toxins have not been studied, but

there is increasing concern about chemical ingredients in Teflon, in particular

ammonium perfluorooctane (PFOA), a chemical currently being reviewed by the U.S.

Environmental Protection Agency. In one year, a Chicago veterinarian documented

296 bird deaths in 105 cases involving non stick cookware. (Photo courtesy

Stanford University)A draft risk assessment on PFOA found evidence of high

developmental and reproductive health risks to humans, in particular to children

and women of childbearing age.

DuPont's public statements about the possible health risks from PFOA - referred

to by the company as " C8 " - have been questioned. The company is under federal

investigation for the possibly illegal withholding of key health studies

regarding C8 and was sanctioned by a West Virginia court three weeks ago because

a company scientist destroyed evidence from health research on the chemical.

The government has not assessed the safety of nonstick cookware, most of which

does not carry a warning label.

EWG recommends that bird owners completely avoid cookware and heated appliances

with nonstick coatings, opting instead to use stainless steel or cast iron. The

organization says neither of these materials offgas persistent pollutants that

kill birds.

The EWG report on the health risks to birds and humans from nonstick pans can be

found here.

 

 

 

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