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Public Health Services A Shared Service of Cape Breton District Health Authority (CBDHA) & Guysborough Antigonis PowerPoint Presentation
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Public Health Services A Shared Service of Cape Breton District Health Authority (CBDHA) & Guysborough Antigonish Strait Health Authority (GASHA). Brochure. Learning Objectives. Define and identify sources of PAHs Discuss Health Effects of PAHs

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slide1

Public Health Services

A Shared Service of

Cape Breton District Health Authority (CBDHA)

&

Guysborough Antigonish Strait Health Authority (GASHA)

learning objectives
Learning Objectives
  • Define and identify sources of PAHs
  • Discuss Health Effects of PAHs
  • Review actions for reducing exposure to PAHs
description
Description
  • Can be colorless, white or pale yellow/green solids
  • Chemicals that occur naturally and as a result of human activities
  • Examples include Benzo(a)pyrene and

Benzo(b) fluoranthene

  • PAHs are formed when materials that contain carbon and hydrogen do not completely burn
sources of pahs
Sources of PAHs
  • Formed during incomplete burning of :
    • Coal
    • Oil
    • Gas
    • Garbage
    • Tobacco
sources of pahs6
Sources of PAHs

Released from :

  • Volcanoes
  • Forest Fires
  • Exhaust
sources of pahs7
Sources of PAHs

Found in:

  • Coal and roofing tar
  • Crude oil / Creosote
  • Some dyes
  • Plastics
  • Pesticides
  • BBQ or smoked meat and fish
how are we exposed
How Are We Exposed?
  • Inhalation of air releases
  • Contact with contaminated soil
  • Ingestion of contaminated water or cow’s milk
how are we exposed9
How Are We Exposed?

Contaminated Foods

  • Charred or smoked meat and fish
  • Cereals
  • Flour
  • Vegetables
  • Fruits
  • Marine life in contaminated waters
  • Exposed indoors mostly through second hand smoke
pahs and your health
PAHs and Your Health

Some PAHs have been shown to be cancer causing:

  • Chronic Bronchitis
  • Skin Problems
  • Allergies
pahs and your health11
PAHs and Your Health

Fetus is at greater risk and susceptibility :

  • Growth retardation
  • Low birth weight
  • Small head circumference
  • Low IQ
  • Damage DNA
  • Disrupt endocrine systems, such as estrogen, thyroid, and steroids
tests to determine exposure
Tests to Determine Exposure

Tests are available for some PAHs or their byproducts, but only at special facilities with required equipment

  • Urine
  • Blood
  • Body tissue

Can indicate expose but not whether health effects will develop

protect yourself protect your family
Protect Yourself: Protect Your Family
  • Ensure proper enclosure, ventilation and protective equipment
  • Wash immediately after exposure and before going home
  • Change clothes at work, launder separately
  • Avoid second hand smoke
  • Use a properly installed woodstove
  • Avoid smoked foods
  • If you barbeque – remove charred parts
  • Obey “No Fishing” advisories
  • Don’t smoke
resources
Resources
  • ATSDR

www.atsdr.cdc.gov/tfacts69.pdf

  • Health Canada

www.hc-sc.gc.ca

in review
In Review
  • What are PAHs and how we are exposed to them
  • How do PAHs effect our Health
  • How can we reduce our exposure to PAHs