The Yolo County Environmental Health Division and state agencies will analyze soil in valuable agricultural fields after a ...

The state suggests even tiny amounts of perchlorate are worrisome, but other say there's little evidence of illness. NPR's Jon Hamilton reports in the first of a two-part series.

Like perchlorate, people are exposed to that family of compounds from a number of sources, not just water. They’ve been used in carpets, clothing, food packaging and cookware.

PERCHLORATE is an inorganic monovalent anion that, like thiocyanate, is capable of inhibiting collection and interfering with retention of the iodide ion within the thyroid gland. Wyngaarden et al ...

Despite opposition from the Pentagon, the Schwarzenegger administration is planning to issue safety guidelines Friday for ammonium perchlorate, a toxic ingredient of rocket fuel, munitions and ...

Perchlorate was first detected several weeks ago with Phoenix’s onboard wet chemistry lab, which mixes water from Earth with Martian soils.

Perchlorate can cause thyroid disorders. Safety guidelines were issued Thursday, despite opposition from the Pentagon and military contractors -- the source of most perchlorate pollution.

Perchlorate can occur naturally, but high concentrations have been found in at least 26 states, often near military installations where it has been used as an additive in rocket fuel, ...

Firefighters in Smyrna tackled a blaze where they found a resident's stock of rocket fuel, complicating their efforts.

California health officials clamped down Thursday on a chemical that was widely used by the U.S. military in solid rocket propellant during the 1950s and is now contaminating 354 sources of ...

Perchlorate may occur naturally, particularly in arid regions such as the southwestern U.S., and can be found as a byproduct in hypochlorite solutions used for treating drinking water and nitrate ...

Perchlorate levels are being managed in Nevada, but they may not be in other states. Lovato expressed similar concerns, though he said he is not aware of other areas that might be at particular risk.