EPA thinks about limiting water toxin, but only because court ordered it

The agency crafted the proposal to adhere to a 2023 D.C. Circuit decision, despite its opinion that the toxic chemical is not prevalent enough warrant the potential costs of testing for it.

EPA Sends Perchlorate NPDWR NPRM to OMB

Yesterday the OMB’s Office of Information and Regulatory Affairs (OIRA) announced that it had received a notice of proposed rulemaking (NPRM...

Webinar on perchlorate on food

Chemical used in rocket fuel is widespread in food, Consumer Reports finds

Perchlorate is found in a wide variety of foods, especially products popular with babies and kids, advocacy group says.

Fireworks Likely Caused Water Contamination at Mount Rushmore | U.S. Geological Survey

Past fireworks displays are the probable cause of elevated concentrations of a contaminant called perchlorate in groundwater and surface water within Mount Rushmore National Memorial, according to a recent U.S. Geological Survey report.

Fireworks Likely Caused Water Contamination at Mount Rushmore | U.S. Geological Survey

Past fireworks displays are the probable cause of elevated concentrations of a contaminant called perchlorate in groundwater and surface water within Mount Rushmore National Memorial, according to a recent U.S. Geological Survey report.

Sur Mars, Curiosity trouvera-t-il des molécules organiques ?

Des molécules organiques ont bien été détectées par Curiosity, rapportent Francis Rocard et François Poulet, mais ce ne sont pas celles espérées et leurs quantités sont insuffisantes pour savoir...