Press Releases

California’s Office of Environmental Health Hazard Assessment (OEHHA) has failed to provide scientific evidence that the state’s perchlorate public health goal (PHG) needs to be reduced from the current, highly conservative level, and continues to rely on questionable...

June 4, 2014 – The Perchlorate Information Bureau (PIB) agrees with the recommendation from the American Academy of Pediatrics Council on Environmental Health (AAP) that the U.S. “Environmental Protection Agency (EPA) should proceed with appropriate (emphasis added)...

A newly-published analysis of data used in two studies that California regulators have relied upon in proposing a revised public health goal (PHG) for perchlorate provides more science to refute the conclusions of those studies and, in so doing, raises additional...

As a component of fireworks, the chemical perchlorate is often in the news around the Fourth of July. As a compound made up of chlorine and oxygen—and as a medicine once used to treat thyroid disorders—perchlorate is one of the most widely researched compounds in our...

California’s Office of Environmental Health Hazard Assessment (OEHHA) has failed to provide scientific evidence that the state’s perchlorate public health goal (PHG) needs to be reduced, and continues to rely on questionable research that is inconsistent with 60 years...

Following detailed comments submitted in February, the Perchlorate Study Group (PSG) and the Partnership for Sound Science in Environmental Policy (PSSEP) have asked California’s Office of Environmental Health Hazard Assessment (OEHHA) to submit its risk assessment...

The PSG’s comprehensive comments focused on key concerns in the scientific evidence OEHHA did and did not consider, noting specific long-standing scientific studies that were ignored or excluded from consideration while other studies with less scientific rigor were...

The best available science, federal statute and EPA’s own Office of Inspector General all point to the conclusion that a national perchlorate standard is not needed and would not provide a meaningful public health benefit. According to EPA guidelines, for a federal...

According to comments submitted by the Perchlorate Study Group (PSG) and the Partnership for Sound Science in Environmental Policy (PSSEP) on Dec. 23, the California Office of Environmental Health Hazard Assessment (OEHHA) has engaged in processes and procedures in...

A recent article in the Journal of Occupational and Environmental Medicine analyzes data from an earlier study in an attempt to show that in some cases of perchlorate exposure, some infants had greater odds of increased levels of Thyroid Stimulating Hormone or TSH...