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Environmental (Health) Hazards - PowerPoint PPT Presentation


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Environmental (Health) Hazards 1C, Strabo & Pliny recognized lung problems among the slaves working on asbestos weaving Pliny advised not to buy the slaves working on asbestos because of their early death 1897, A doctor diagnosed lung malfunctioning due to aspiration of asbestos dust in Vienna

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slide1

Environmental (Health) Hazards

    • 1C, Strabo & Pliny recognized lung problems among the slaves working on asbestos weaving
    • Pliny advised not to buy the slaves working on asbestos because of their early death
    • 1897, A doctor diagnosed lung malfunctioning due to aspiration of asbestos dust in Vienna
    • Early 1900s, speculated a relation between the pulmonary disease/fatality of miners and the asbestos aspiration
    • 1906, documented the evidence of fibrosis by post mortem exam
    • 1908, Metropolitan Insurance co. charged higher fees for asbestos workers
    • 1923, Dr. Cook studied the death of number of asbestos handling workers and first named the disease ‘asbestosis’
slide2

1931, the term “mesothelioma” first used

  • 1930s, Regulations included industrial hygiene standards, medical examinations, and inclusion of the asbestos industry into the British Workers' Compensation Act
  • 1970s, an USA court document indicate that asbestos co. hided the fatality of asbestos from the workers
  • 1970s, EPA & OSHA put regulations on asbestos use
  • Now, the asbestos is totally banned in most countries
slide3

Korea’s regulation on asbestos

    • “ENFORCEMENT DECREE OF THE QUALITY CONTROL AND SAFETY MANAGEMENT OF INDUSTRIAL PRODUCTS ACT”  Asbestos use in any industrial product had been banned or at least limited since Sep. 2009
    • “OCCUPATIONAL SAFETY AND HEALTH ACT”.  Manufacturing, importing, or usage of any product containing asbestos has been completely banned since Sep. 1, 2009.
slide4

Asbestos can enter your body when you

1) breath (aspiration)

2) drink water and other fluid, and

3) eat foods.

In ordinary people’s lung,

a few 10,000 - 100,000 crystals/1g

alveoli

Air quality standards for asbestos

In work place: < 0.1/cm3

In public place: < 0.01/cm3

(Korean standards)