Diesel Exhaust

Número de registro CAS: n/a

Diesel exhaust is a mixture of thousands of chemicals, including 1-nitropyrene (1-NP). These chemicals are released as gases or particles (such as black soot) from vehicles and machinery that run on diesel fuel. Vehicles that run on biodiesel fuel produce similar exhaust.

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Diesel exhaust comes from:

  • On-road vehicles that run on diesel fuel, such as semi-trailer trucks, light-duty trucks, and some buses and passenger cars.
  • Diesel-powered freight and passenger trains, and cargo and cruise ships.
  • Heavy-duty equipment, such as bulldozers and tractors, used for construction, agriculture, landscaping, mining, and similar types of work.
  • Diesel-powered generators

Possible health concerns of diesel exhaust:

  • Can make asthma worse and contribute to other respiratory diseases, like chronic obstructive pulmonary disease (COPD).
  • May harm the lungs and lower resistance to respiratory infections.
  • May make allergic reactions to dust, pollen, and other allergens worse.
  • Can make existing heart conditions worse.
  • Can increase cancer risk.

Possible ways to reduce exposure to diesel exhaust:

  • When walking, riding a bike, or exercising outdoors, choose areas away from roadways whenever possible, or side streets with less traffic. Avoid busy highways and paths near train routes.
  • When in heavy traffic, keep vehicle windows closed and put the air on recirculate.
  • Always start and operate diesel engines in a well-ventilated area.
  • If you have a diesel car or truck, don’t idle inside garages, especially garages attached to your home.
  • Install backup and portable diesel-powered generators well away from your home, so that exhaust does not come in through open windows or doors.
  • If possible, use a high-efficiency filter in your home’s central heating and air system.
  • Consider buying a portable air cleaner (or “air purifier”) that can remove small particles from the air in your home (see below).
  • Because chemicals from diesel exhaust can collect in dust:
    • Wash your and your child’s hands often, especially before preparing or eating food.
    • Clean your floors regularly, using a wet mop or HEPA vacuum if possible, and use a damp cloth to dust.
  • Report diesel trucks in California if they are:
    • Idling where “No idling” signs are posted, or idling for more than five minutes.
    • Not following designated truck routes.

    Call 1-800-363-7664 or fill out the form at this link: www.arb.ca.gov/enf/complaints/icv.htm

Información sobre el Programa para el Biomonitoreo de California

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