Learn more about perchlorate by exploring the following releases from the Perchlorate Information Bureau.
Perchlorate is NOT Perchloroethylene
An important distinction to make is the difference between tetrachloroethylene, also known as perchloroethylene (PERC), and perchlorate. PERC is the solvent used by about 70% of dry cleaners in the United States, but is also used as a metal degreaser and in the...
PSG Comments re: Perchlorate and Food Story by Consumer Reports
The most important fact about the Consumer Reports study is the statement the author makes that “none of the foods tested had dangerous levels of perchlorate.” That is largely because no “dangerous” level of perchlorate has ever been identified in more than 70 years...
Statement: Circuit Court Remands Perchlorate Determination Back to EPA
In a split decision on May 9, 2023, the U.S. Court of Appeals for the District of Columbia ordered the United States Environmental Protection Agency (EPA) to regulate the chemical perchlorate.1 EPA determined in 2011 that perchlorate should be regulated, but under the...
EPA Perchlorate Decision Upholds Science, Agency Practice, and Federal Law
STATEMENT FROM THE PERCHLORATE INFORMATION BUREAU (PIB) RE: EPA Perchlorate Decision Upholds Science, Agency Practice, and Federal Law Today’s decision by EPA that perchlorate does not merit additional federal regulation, is based on the best available scientific...
Perchlorate in Drinking Water and IQ – is there a connection? (Updated 11/20)
Update 11/2020: A new study by Lain, et. al suggest that the low levels of perchlorate found in the environment will not negatively impact IQ in children. Perchlorate has a well-documented, scientifically-established “No Observed Effect Level” (NOEL) which, at 245...
Statement from the Perchlorate Information Bureau: EPA Withdrawal of Perchlorate
The best available science supports EPA’s regulatory decision on perchlorate. More than 60 years of scientific research have repeatedly demonstrated that perchlorate does not meet the requirements for additional nationwide regulation, nor would a national drinking...
Statement from the Perchlorate Information Bureau: Recent Vanderbilt Paper
Despite sensational headlines regarding a recent paper published in Nature Structural and Molecular Biology by researchers at Vanderbilt University, (“Allosteric Regulation of Mammalian Na+/I- Symporter Activity by Perchlorate”), this paper adds little-to-no new...
Statement from the Perchlorate Information Bureau: EPA’s National Primary Drinking Water Regulation for Perchlorate
US EPA should withdraw its 2011 regulatory determination to set a national water standard for perchlorate and revise its perchlorate reference dose and health advisory, in accordance with the findings in its Proposed Perchlorate Rule published on June 26, 2019. The...
Statement from the Perchlorate Information Bureau: EPA Proposed Framework for Perchlorate Regulation
The Perchlorate Study Group is highly concerned with the EPA’s proposed framework for assessing its approach to perchlorate regulation, as it is insufficient to assure the quality of the peer review process, and the omission of important scientific considerations...
Statement from the Perchlorate Information Bureau: NRDC Sues EPA Over Perchlorate Regulation
This lawsuit is an unfortunate attempt to undermine the regulatory process and pressure the EPA to ignore sound science and distract it from attending to real and significant public health concerns. The scientific record clearly shows environmental levels of...