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Give the physical forms of chemicals that may exist in the workplace?

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Question ajoutée par Noufal Choyikkandi , Senior Environmental compliance and assurance specialist , NEOM
Date de publication: 2015/02/07
Muhmmad Malik
par Muhmmad Malik , Member Central Executive committee , Roaznana Pakistan Islamabad

PAINTS,ARE THE PHYSICAL FORM OF CHEMICALS THAT EXIST IN WORK PLACE . 

ahmed salem
par ahmed salem , Safety Officer

Each work place have its own Chemical materials, it better to ask about the risk of the chemical hazard in work place.chemical hazard can lead to many risks as following:Skin absorption, ignition,.....etc.

 

Turki Alhajri PMP NEBOSH
par Turki Alhajri PMP NEBOSH , EHS / HSE Manager , Tabuk Pharmaceuticals

All chemicals exist in one of three states: solid, liquid or gas.

• A solid has shape and form, whether it's a dust particle or a steel pipe. • A liquid is a formless fluid. It takes the shape of its container, but doesn't necessarily fill it. Solvents and oils are examples of chemicals in liquid form. • A gas is a formless substance that expands to occupy all the space of its container. Oxygen and carbon monoxide are examples of chemicals in gaseous form. Gases are usually invisible, but they may be detected in some cases by their taste or smell.

Some chemicals move from one state to another with a change in temperature or pressure. Water is a chemical which is normally a liquid but becomes a solid at temperatures below0 degrees Celsius.

Knowing the physical states of hazardous chemicals is important factor in understanding their health effects. The physical state of a chemical determines which route it may use to enter the body. For example, a gas may easily enter the body by inhalation, while liquids are more likely to be absorbed through the skin. The fact that chemicals may change their state during work processes that involve changes in temperature and pressure makes it all the more important to take all the possible states of a chemical into account.

Joshua Wimberley
par Joshua Wimberley , HSE Supervisor , XPress Safety

Every workplace should maintain an MSDS (Material Safety Data Sheet) log on hazardous chemicals that are stored or could be found in that location. That would be the best place to look for not only the physical forms of the chemicals but also the specific hazard and treatment protocols for exposures.

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