Childhood Asthma/Diesel Exhaust



Fate and Transport

Exposure Pathway

Methods for Measuring Human Exposure

Strategies for Preventing or Controlling Exposure

Organ Sites of Toxicity


Risk Assessment/Risk Management Considerations


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Strategies for Preventing or Controlling Exposure

Exposure to diesel exhaust in air pollution can no longer be prevented and therefore strategies for reducing exposure are the only realm of opportunity.
The child or family can reduce the child’s exposure by:

  • staying inside in air-conditioned buildings reduces exposure to this pollutant, although this potentially increasing exposure to other sources of asthma triggers.
  • avoiding areas where diesel-powered vehicles such as trucks and buses frequent or congregate or idle.

School bus owners can reduce exposure of their passengers by:

  • operating buses which are air-conditioned, to minimize exhaust coming into the passenger compartment through leaks or open windows.
  • requiring drivers to turn buses off when waiting to load passengers.
  • inspecting buses for leaks where exhaust can enter the passenger compartment and appropriately seal leaks.

Industry can reduce the emission of irritants from diesel exhaust into the air through better enginerring by:

  • continuously working to identify, produce, and use fuels which burn more completely and with less irritant emission.
  • improving engine design to reduce emissions
  • adding catalytic converters
  • adding particulate traps
  • creating more aerodynamic designs to reduce the fuel required.

Government can influence emmision levels by:

  • establishing lower emission standards for particulate matter.
  • mandating use of cleaner diesel fuels through laws and taxes.
  • requiring inspections