Diesel Fumes: Avoid Prolonged Exposure

2007-03-08 10:33:40

( Automobiles )



Your health can be affected if you inhale diesel fumes, and exposure to them may irritate your eyes and respiratory system. Short-term effects usually disappear soon after exposure ceases, but prolonged exposure to diesel fumes (especially the blue or black variety) will lead to coughing and shortness of breath. Lead has not been removed from diesel fuel, hence exposure to diesel fumes introduces heavy metal into the body. Long term exposure may increase risks of lung cancer.

Diesel fumes from vehicles in your workplace are of three types, and two of them indicate engine problems. These three types are:

• Blue fumes, consisting mainly of oil and unburned fuel, which indicate a poorly serviced or tuned engine;
• Black fumes, mainly soot, oil and unburned fuel, which come from a mechanical fault with the engine; and,
• White fumes, largely water droplets and unburned fuel, which is produced when you start a cold engine and disappears when it has warmed up.

You should warn your employer if vehicles in your workplace are producing blue or black fumes so that corrective action can be taken. Your employer can implement control measures to reduce the exposure to fumes.

One important step is to install workplace air extraction fans, similar to the extraction fans used for ductless fume hoods in chemical laboratories, and also air vents in the walls and ceilings. If the situation calls for issuance of personal protective equipment or respiratory protective gear, you should remind your employer.

For the vehicles, you can ask for filters or exhaust extraction systems to be attached to tailpipes. Catalytic converters will also help reduce the emissions.

On a personal level, you should avoid eating or smoking in areas where exposure to diesel fumes is likely. Since soot can stick to your body, you should wash your hands and face before drinking or eating.


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