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FDA and industry continue to ignore cumulative effects of chemicals in the diet

By Tom Neltner, Senior Director, Safer Chemicals Initiative / Published: September 24, 2021

Tom Neltner, Chemicals Policy Director and Maricel Maffini, consultant

The Food and Drug Administration (FDA) has made no apparent progress to comply with the legal requirement that it consider the cumulative effect of chemicals in the diet that have similar health impacts when evaluating the safety of an additive. A year ago, on September 23, 2020, EDF and 11 other organizations[1] filed a formal petition with the agency documenting the problem and asking it begin complying with the law.

We reviewed FDA and industry actions since the petition was filed and found that both continued to ignore the requirement 100% of the time in:

  • Generally Recognized as Safe (GRAS) notices in which companies were required to consider the cumulative effect as part of their determination that a substance’s use was safe;
  • FDA’s responses to those GRAS notices where it found “no questions” with the flawed safety determinations; and
  • FDA’s revised guidance to industry on use of recycled plastics in food packaging.

The agency’s only response to our petition was a March 2021 letter saying it “has not reached a decision due to competing priorities” and that the “petition is currently under active evaluation by [its] staff.”

From what we can see, FDA and industry continue to make safety determinations about chemical additives without regard to their overall effect on individuals’ health and their legal obligations. Is it any surprise that consumers continue to rate chemicals in food their #1 food safety concern? Read More »

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Beyond paper, part 2: PFAS intentionally used to make plastic food packaging

By Tom Neltner, Senior Director, Safer Chemicals Initiative / Published: August 12, 2021

Tom Neltner, Chemicals Policy Director; Maricel Maffini, consultant; and Tom Bruton with Green Science Policy Institute

Since 2002, FDA has authorized the use of four types of per- and polyfluorinated alkyl substances (PFAS) to make plastic food packaging, one as recently as 2016. The PFAS are allowed in plastic at levels up to 2000 parts per million (ppm); although lower than those used to greaseproof paper, these levels still contaminate food. The PFAS are added to facilitate the production of articles such as bottles and wraps. They reportedly improve polymer extrusion, reduce build-up on the injection mold, and improve surface roughness among other technical effects.

EDF submitted a Freedom of Information Act (FOIA) request for seven food contact substance notices (FCNs) that FDA has authorized. From FDA’s response[1], we learned that these PFAS can contaminate food in contact with the packaging. In one case the overall amount of the PFAS in the diet would be as high as 41 ppb (see pages 31-32 of FOIA response) – much more than is tolerated for some PFAS in drinking water.

These plastic processing aids, along with fluorinated polyethylene, are the latest additions to a growing list of sources of ‘forever chemicals’ in the diet. They join environmental contamination and greaseproofed paper and cardboard as sources that food companies must consider in order to keep PFAS out of their products and respond to consumer demand for safer food. Given the evidence, FDA needs to move forward pursuant to our June 2021 citizens petition to evaluate the safety of PFAS taking into account the cumulative effect of these chemicals in the diet from many sources.

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Beyond paper: PFAS linked to common plastic packaging used for food, cosmetics, and much more

By Tom Neltner, Senior Director, Safer Chemicals Initiative / Published: July 7, 2021

Tom Neltner, Chemicals Policy Director, Maricel Maffini, consultant, and Tom Bruton with Green Science Policy Institute. 

Update August 11, 21 – Added FDA’s Response to FOIA.

Results from an Environmental Protection Agency (EPA) investigation into PFAS-contaminated pesticides have much broader, concerning implications for food, cosmetics, shampoos, household cleaning products, and other consumer products, as well as recycling. This investigation, first announced earlier this year, found that fluorinated high-density polyethylene (HDPE) containers used for pesticide storage contained a mix of short and long-chain per- and polyfluorinated alkyl substances (PFAS), including PFOA, that leached into the product. From what EPA can tell, the PFAS were not intentionally added to the HDPE containers but are hypothesized to have been produced when fluorine gas was applied to the plastic.

Since EPA released its investigation, we have learned the disturbing fact that the fluorination of plastic is commonly used to treat hundreds of millions of polyethylene and polypropylene containers each year ranging from packaged food and consumer products that individuals buy to larger containers used by retailers such as restaurants to even larger drums used by manufacturers to store and transport fluids.

The process of polyethylene fluorination was approved by the Food and Drug Administration (FDA) in 1983 for food packaging to reduce oxygen and moisture migration through the plastic that would cause foods to spoil. The fluorination process forms a barrier on the plastic’s surface and it also strengthens the packaging.

Fluorination of plastic leading to the inadvertent creation of PFAS may be another reason these ‘forever chemicals’ show up in many unexpected places. This significant source of PFAS contamination needs to be addressed. Much remains to be resolved as FDA and EPA actively investigate this new source of PFAS; however, preventive steps need to be taken quickly, especially since other PFAS-free barrier materials are available as alternatives.

Growing evidence links PFAS to a wide range of serious health effects – from developmental problems to cancer.

Read More »

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FDA’s short-sighted approach to building trust in the safety of cell-cultured meat and seafood products

By Tom Neltner, Senior Director, Safer Chemicals Initiative / Published: June 17, 2021

Tom Neltner, J.D., is Chemicals Policy Director

Consumer trust that products are safe to eat is essential to acceptance of any innovative food product.

One of the most innovative food products expected to enter U.S. markets in coming years is cell-cultured meat and seafood. Producing these products by culturing cells in tanks and forming them into foods that look and taste like their conventionally produced counterparts is a technological achievement. Proponents enthusiastically tout these products as climate-friendly alternatives that provide real hope to meet the world’s growing demand for animal protein in a sustainable way that also minimizes animal welfare concerns.

Consumer trust that products are safe to eat is essential to acceptance of any innovative food product. That trust is built through a rigorous, transparent, and independent scientific review to ensure safety. Without that, questions linger that undermine widespread consumer adoption.

Unfortunately, we have serious concerns that the process the Food and Drug Administration (FDA) may be planning to use to review the safety of cell-cultured meat and seafood is inadequate and will undermine consumer trust. From our perspective, the manufacturing process for cell-cultured meat and seafood is a significant departure from current practice and warrants careful scrutiny. FDA guidance is clear that, for these types of changes, the appropriate review options are a food additive petitions or the voluntary Generally Recognized as Safe (GRAS) notification process. We strongly recommend FDA rely on these existing options existing options rather than create a new approach.

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The Chemical Industry Hid Evidence of Harm from PFAS: 3 Takeaways

By Tom Neltner, Senior Director, Safer Chemicals Initiative / Published: May 13, 2021

Tom Neltner, J.D., Chemicals Policy Director and Maricel Maffini, Ph.D., Consultant

Yesterday, The Guardian published a powerful story by reporter Tom Perkins detailing how chemical manufacturers hid evidence of dangerous health impacts from certain types of PFAS and the Food and Drug Administration (FDA) did not take sufficient and swift action to protect the public.

The story is largely based on data revealed in the FDA’s response to a Freedom of Information Act request by EDF and Environmental Working Group. The analysis showed that two major PFAS manufacturers, Daikin and DuPont, withheld safety information from the agency both by 1) not submitting it when the agency was considering whether the chemical should be on the market, and 2) not alerting the FDA when later analysis revealed a problem.

The companies’ failures are disturbing. What FDA did (or, more precisely, failed to do) after finding out is also disconcerting. While the agency’s scientists have taken strides to more fully understand the harm posed by PFAS, management has failed to adequately translate the science into timely action to protect people from toxic chemicals like these in their food.

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10 ways the incoming FDA Commissioner should protect people from toxic chemicals in food

By Tom Neltner, Senior Director, Safer Chemicals Initiative / Published: April 22, 2021

Tom Neltner, Chemicals Policy Director.

The FDA’s critical role in the COVID-19 pandemic has brought intense interest in whom President Biden will nominate to lead the agency as its new commissioner.

While COVID-19 is the priority, the FDA obviously has many vital other responsibilities. Though it doesn’t get that much attention, one of the important roles of the agency is to protect the public from unsafe chemicals in food. Frankly, their record has been disappointing, but the new administration has an opportunity to fix some key problems that scientists and doctors have been warning us about for years.

Here are ten things the new FDA Commissioner should do to keep unsafe chemicals out of our food. The list ranges from actions on specific chemicals to broader reforms.

  1. Stop letting industry decide for themselves, in secret, whether chemicals are safe and can be added to food. EDF, represented by Earthjustice, and the Center for Food Safety, have sued the agency to close the dangerous “Generally Recognized as Safe” loophole.
  2. Systematically reassess dangerous food chemicals it has allowed to be used in food based on new information. The FDA approved the use of many chemicals in food decades ago, and we now have evidence that some of these are unsafe. A chemical shouldn’t be given a forever approval. There needs to be a systematic process to review the scientific evidence, especially when new risks come to light.
  3. Ban the use of perchlorate, an ingredient in rocket fuel, from use in plastic packaging and equipment that comes into contact with food. Perchlorate gets into food, and exposure is particularly dangerous for pregnant women, infants, and young children, as it has been linked to developmental delays, reduced growth, and impaired learning abilities. We’ve sued the FDA to get this chemical out of food, and the case is pending.
  4. Comply with its 60-year-old Congressional mandate to look at the cumulative effect of chemical exposures people have when deciding whether to approve the use of related chemicals in food. EDF’s investigation of 900 approval decisions found that just one followed this common-sense mandate. The reality is that no one is exposed to just one chemical – so the agency shouldn’t be analyzing chemicals’ safety as if that were the case. FDA must respond to a petition filed by EDF and other organizations demanding that the agency follow the law and assess chemicals as classes.
  5. Drive down levels of heavy metals in food. Over the last decades, evidence has emerged of concerning levels of lead, arsenic, and cadmium in food consumed by children, such as rice, juice, and root crops like sweet potatoes and carrots. The FDA should move quickly and aggressively on its new commitment to set limits on heavy metals in food children eat and should also set limits for other food.
  6. Use modern science when evaluating if a chemical poses a health risk. The FDA is stuck in the past by relying on outdated, less accurate scientific methods and ignoring the evolving information we now know about chemical exposure. You wouldn’t insist on driving a car the Flintstones drove just because that was the first car ever.
  7. Prohibit lead from being added to materials that contact food, such as the tin that lines metal cans, and tighten limits for lead in bottled water. EDF’s analysis of FDA data found lead in 98% of certain canned fruits compared to 3% in fresh or frozen types. We’ve sent a formal petition to FDA requesting it immediately take action to ban these harmful and unnecessary uses of lead. Though it’s not a food safety issue, the FDA should also reject a challenge to its decision to ban lead acetate in hair dye. That challenge has put the FDA decision on hold, meaning that people are literally still putting lead on their head!
  8. Prohibit ortho-phthalates from being added to food packaging and processing equipment. These chemicals are known to disrupt hormones and harm brain development. The FDA is significantly overdue in meeting its legally required deadline to make a decision based on a petition from 2016 by EDF and nine other consumer, public health, and environmental groups to ban these chemicals.
  9. Be more transparent about the decisions it is making on chemicals in food. Information about FDA decisions should be publicly available without a Freedom of Information Act request and a months-long wait to learn more about agency actions on the chemicals in our food supply.
  10. Take aggressive action on harmful PFAS in food packaging and processing equipment. PFAS (Per- and poly-fluorinated alkyl substances) can provide water and grease resistance to paper and paperboard and can also leach into food. Growing evidence links PFAS to a wide range of serious health effects – from developmental problems to cancer. And now we know that many types of PFAS bioaccumulate in the body.
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