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our team of scientists, engineers, policy experts, lawyers and computer programmers pores over government data, legal documents, scientific studies and our own laboratory tests to expose threats to your health and the environment, and to find solutions. Our research brings to light unsettling facts that you have a right to know.

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Rocket Fuel (Perchlorate)

Research Content

CDC Scientists Find Rocket Fuel Chemical In Infant Formula

Powdered Cow’s Milk Formula Contains Thyroid Toxin

FDA Food Testing Shows Widespread Rocket Fuel Contamination of Commonly Consumed Foods and Beverages

Children consuming contaminated tap water and food at risk; EPA tap water safety standards are critically needed

Children Overexposed to Rocket Fuel Chemical

EPA Caves to Defense Industry Lobbyists: House Committee Taking Action to Protect Children
EWG finds that children are overexposed to the rocket fuel chemical perchlorate as a House committee takes action to protect them.

Thyroid Threat

Under Proposed Rocket Fuel Standards, Many Women Would Need Treatment To Protect Baby
Exposure to the rocket fuel contaminant perchlorate can cause a significant decline in thyroid hormone levels, which is an established risk factor in fetal development.

Rocket Fuel in Cows' Milk - Perchlorate

Findings Indicate State's Proposed Standard Too Weak to Protect Children
In the first study to look for perchlorate in California supermarket milk, EWG found the rocket fuel chemical in almost every sample tested -- 31 out of 32 samples. Milk from some California cows may expose infants and children to higher levels of perchlorate than what the U.S. EPA deems safe.

Suspect Salads

Lettuce grown during the winter months may contain higher levels of toxic rocket fuel than is considered safe by the EPA.
In the first-ever tests of perchlorate in off-the-shelf supermarket produce, EWG found contamination averaging 4 times more than what the EPA says is safe in drinking water. EWG estimates 1.6 million American women of childbearing age are at risk.

Rocket Fuel in Drinking Water

New data show widespread nationwide contamination
Drinking water for more than 20 million Americans is contaminated with a toxic legacy of the Cold War: A chemical that interferes with normal thyroid function, may cause cancer and persists indefinitely in the environment, but is currently unregulated by state or federal authorities.

Rocket Science

Perchlorate and the Toxic Legacy of the Cold War
Sources of drinking water for more than 7 million Californians and unknown millions of other Americans are contaminated with a chemical that disrupts child development and may cause thyroid cancer, but is unregulated by the state or federal government.