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DEEEs Smoke Indicators

What are DEEEs ?


Diesel engine exhaust emissions (DEEEs) are a mix of gases, vapours, liquid aerosols and particulate substances that with prolonged exposure can lead to serious health risks, including lung cancer.

Diesel fumes are likely produced when working with diesel operated heavy vehicles, or when working in tunnels or on construction sites with diesel operated stationary power sources.

Smoke Test

  • Black smoke: indicates poor and incomplete combustion of the diesel fuel. Black smoke is high in carbon or soot, which is an undesirable product of diesel combustion.
  • Blue smoke: indicates oil being burnt. Since good compression allows oil to burn cleanly, there shouldn't normally be any evidence of blue smoke.
  • White smoke: indicates raw diesel coming through the exhaust completely intact and unburned.


A diesel engine in good condition should produce no visible smoke from the exhaust, under most operating conditions.

 

Steps to ensure your workers are protected from DEEEs:

1) Assess the risk
2) Determine level of potential exposure
3) Implement preventive measures or control methods
4) Train all staff in awareness & protective equipment
5) Schedule regular re-assessments

DEEEs Smoke Indicators. RVT Group

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