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United Stated federal agency division that responds to, and protects people from harmful chemical exposures
Reporting shows hexachloroethane (HC) is a chlorinated compound long used in white smoke compositions for military and some law‑enforcement smoke grenades and pots, and federal and public‑health sourc...
Hexachloroethane (HC) smoke — a military-style obscurant that can generate zinc chloride and other toxic byproducts — was documented in use against protesters in 2020 in multiple U.S. cities, with com...
is neither categorically “bad” nor universally benign: at the low concentrations used in community water fluoridation it has clear, well-documented benefits in preventing , but higher and prolonged ex...
Nitrate (NO3–) from food or endogenous sources is reduced to nitrite (NO2–) by bacteria and enzymes, and in the acidic stomach environment nitrite is protonated to nitrous acid (HNO2), the key nitrosa...
is a powerful oxidant used safely as a disinfectant in , industry, and some medical settings at strictly regulated low concentrations, but it is toxic to humans at higher doses and when misused — incl...
Yes — groundwater beneath and adjacent to Fort Detrick’s Area B has documented contamination, primarily with chlorinated solvents such as trichloroethylene (TCE) from historical laboratory and waste-d...