Video obtained by WCVB shows the moments when a man in a gas mask armed with pepper spray canisters stormed the lobby of a ...

Police in a Boston suburb have arrested a 28-year-old man who they say entered a courthouse while wearing a gas mask and ...

Video obtained by WCVB shows the moments when a man in a gas mask armed with pepper spray canisters stormed the lobby of a ...

"In Ontario, 200ppm is a red tag for residential equipment." Concerned homeowner questions furnace setup after gas smell raises red flags: 'Is this vent dangerous?' first appeared on The Cool Down.

Learn how laser-generated air contaminants (LGACs) form, their health risks, and how to minimize exposure through ventilation, protective gear, and regulatory compliance.