Posts Tagged ‘ physical hazard ’

Have You Considered The Need of Explosion Proof Forklift?

explosion-proof-type-forkliftI believe that you have recognized potential hazards associated with forklift operation. Physical hazard is the most visible hazard that most of us will give more attention. However, have you evaluated that forklift can cause explosion and fire?

You may ask why. That’s the very basic question. Forklift can potentially generate sparks from electric arc and forks of the forklift. These ignition sources in combination with explosive or flammable atmosphere will create an explosion.

Besides, metal surface such as motor housing and electrical motor enclosure may become hot and reaches auto ignition temperature of the explosive atmosphere. That’s why an explosion proof forklift is required. (more…)

Chemical Safety Labels – Overview

Chemical safety labels are parts of hazard controls against hazardous chemicals. Correct chemical safety labeling is fundamental factor to workplace safety. Besides, it is also required by legal.


Chemical safety labels inform potential hazards posed by hazardous chemicals, as well as other important information such as first aid procedure and emergency procedure. Their applications on hazardous chemical containers are very practical on how to use the products safely.

Potential hazards contained in a specific hazardous chemical may in form of physical and health hazards. Physical hazards could be combustible liquid, explosive, compressed gases, flammable, oxidizer, organic peroxide, water reactive and unstable or reactive. Health hazards of hazardous chemical could be carcinogenic (cancer-causing), irritant, corrosive, sensitizer, acutely toxic, chronically toxic, reproductive toxin, hepatotoxins, nephatoxins, neurotoxins, substances that damage the skin, eyes, mucous membranes or lungs, and substances that work on the circulatory system.

Failure to provide correct chemical safety labels or chemical hazard labels can cause injuries, ill health, death, fire and explosion. As an example, when a worker is mixing two chemicals or more without clear labels, could create toxic gases or even explosion. (more…)

Potential Hazards in Chemical Industries

The Most Common Potential Hazards in Chemical Industries

By Lukman Nulhakiem

 If we talk about potential hazards in chemical industries, there will be long discussion about that matter. Although one chemical plant has similar nature with one another, but each plant comes with its unique hazards.

potential hazards in chemical industriesIn this article, I will write about potential hazards in chemical industries in general which is in turn it can be used as inputs for preparing hazard identification work for your own plant site. This is very important mainly for companies which have not determined hazards list within their plant sites yet.

As a reminder, I recommend you to read my previous article about hazard identification study as well as hazard control methods if you have never experienced in making hazard list for your plant. (more…)

Hazards in Laboratory

laboratory-hazards As I mentioned in the previous post, hazards identification or recognition is the keyword to successful hazards control in laboratory. A list of laboratory hazards is provided below here. Again the list is only for brainstorming. Later you should complete the list based on your own laboratory survey results.

In general, these hazards are classified into two broad categories, i.e. physical and chemical hazards. (more…)

12 Confined Spaces Hazards

confined-spaces1Confined space is one of the most deadly spaces in the workplaces. It is because of confined spaces contain many potential hazards and have restricted exits way.

Related to confined spaces, OSHA requires that:
a. All confined spaces in the workplaces shall be identified.
b. Confined spaces shall be treated as hazardous until proven.
c. All confined space hazards shall be identified.
d. Appropriate response should be given to these hazards before entry.

Confined space hazards can be classified into hazardous atmosphere, physical hazard, chemical contact hazard and biological hazard. The hazard list below is hazards that are commonly identified in a confined space.

  1. Oxygen rich (greater than 23.5%). This condition will introduce fire or explosion, especially when flammable vapor exists. So never use pure oxygen for ventilating a confined space. Use normal air supply only.
  2. Oxygen deficient (less than 19.5%). Oxygen deficient or lack of oxygen can cause unconsciousness to death. Oxygen concentration in a confined space can be declined due to nitrogen intrusion, welding, grinding, oxidation, sandblasting or coating.
  3. Oxygen and the existence of flammable vapors or gases can create flammable atmosphere. Chemical reaction and concentration of combustible dust may also create flammable atmosphere.
  4. Toxic atmosphere. It is introduced when a toxic chemical or gas is stored in a tank/holder, when carbon monoxide or hydrogen sulphide is produced through decomposition or work being done in the confined space.
  5. Corrosive atmosphere. Hydrochloric acid and ammonia are examples of chemicals that can build up a corrosive atmosphere.
  6. Physical configuration hazards. The use of ladder and scaffolding, wet surface, uneven bottom, bends in tunnels, narrow area or poor lighting can cause physical hazards to the workers inside confined spaces.
  7. Mechanical hazards. Mixing vessel, which is equipped with blades, can introduce mechanical hazard when workers come into the confined space (mixing vessel). Including in mechanical hazard is falling object.
  8. Surface hazard, for instance slips and falls.
  9. Noise hazards. Grinding work inside a confined space can result high level noise.
  10. Vibration hazards.
  11. Engulfment hazards. Engulfment hazard may happen when worker is entrapped by content of the confined space.
  12. Temperature hazards. Cold temperature and heat create temperature hazard inside a confined space.

Always bear in mind that hazards identification shall be finished before entering a confined space. Then, provide appropriate hazard controls to these potential hazards afterward.

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