A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent ...

Health experts have only recently begun to explore the harmful — and potentially carcinogenic — properties of PFAS.

Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, color changes, a change in temperature, and the formation of a precipitate are ...

Europe’s regulation on chemicals is imperfect but essential for public health. A reform may streamline processes and increase ...

Due to the unique properties of PFAS, almost no other chemical substances can compete with them. That explains why it is so ...

To promote voluntary improvement of management of chemical substances by business operators and to prevent any impediments to the preservation of the environment through the establishment of the ...

Designated areas must be clearly marked with signs that identify the chemical hazard and include an appropriate warning; for example: WARNING! BENZENE WORK AREA – CARCINOGEN. Procedures for Working ...

Since September 29, when the smell of chlorine first began to waft over metro Atlanta, Georgia residents’ lives have been ...

The diagrams show what happens when iron filings and sulfur powder react together in a chemical reaction, rather than just mix together. Joined or not The different substances are not chemically ...

Throughout the fall, unusual white blobs have been washing ashore on beaches in eastern Newfoundland. A Memorial University ...

State health and environment committee chairman Ling Tian Soon said initial analysis detected the presence of an unidentified chemical substance. He said a second set of samples would be taken ...

The British government recently announced 46 new sanctions targeting people and groups connected to Russia’s controversial Wagner Group, a private military company known for its involvement in ...