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• What is it ?
• Why was it used ?
•Where was it used ?
• What are the REAL ( Compared withPERCIEVED) risks ?
• What (legally) has just happened, andwhy ?
• What do I do ?
ASBESTOS
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WHAT IS ASBESTOS ?
A FAMILY NAME GIVEN TO THE FIBOUSFORMS OF A GROUP OF
NATURALLY OCCURING MINERALSILICATE FIBRES.
ASBESTOS
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•INTERNALLY
•PIPE/BOILER INSULATION
•FIRE PROTECTION BOARDS
•CEILING TILES
•WALL CLADDING
•FIRE DOORS (EXTERNAL PANEL OR SANDWICH)
•HOT AIR CENTRAL HEATING SYSTEMS
•NIGHT STORAGE HEATERS
•BEHIND RADIATORS
•GASKETS FRICTION MATERIALS
•FLOOR TILES ARTEX
TYPICALLY WHERE WAS IT USED?
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IT IS USED
•EXTERNALLY
•WATER AND SEWAGE PIPES
•DRAIN PIPES
•SOFFITS EXTERNAL WALL CLADDING
•(CORRUGATED) ROOFS OF OUTBUILDINGS
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Pipe insulation
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Ceiling tiles
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Ceiling Tiles - perforated
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Floor (vinyl) tiles
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Soffits
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Brake shoes
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•ELECTRICITY
•NOISE
•VIBRATION
GOOD INSULATOR AGAINST:
–HEAT
RELATIVELY IMPERVIOUS TO:
–ACID
–WEATHER
–VERMIN
ORIGINALLY CHEAP TO PRODUCE AND IMPORT
WHY WAS IT USED ?
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Sources of Damage Resulting inFiber Release
•Chemical spills, leaks or fumes
• Fans and blowers
• Exposure to elements
• Vibration
• Impact from other objects
• Drilling
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Exposure Limits
Occupational Exposure Limit (OEL)
•0.1 Fibers per cubic centimeter of aircalculated as an 8 hour (TWA)
•Environmental Exposure 0.01 f/ml
Maximum Limit (MEL)
•1 Fiber per cubic centimeter averagedover a 30 minute sampling period.
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AIRBORNE LIMITS
TYPICAL AIRBORNE CONCENTRATIONS f/ml
–DRY STRIPPING UP TO 100
–REMOVAL OF LIMPET UP TO 1000
WORKING WITH TILES
–BREAKING AND REMOVAL 5 - 20
–DRILLING OVERHEAD 4 - 10
–HAND SAWING 5 - 12
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WHAT IS THE REAL RISK ?
HSE PROJECTIONS FOR ENGLAND & WALES
(TYPES OF DEATH NUMBERS)
•HEART DISEASE 165 000
•CANCER 140 000
•RESPIRATORY DISEASE 56 000
•HOME ACCIDENTS 4 500
•SUICIDES 4 000
•ROAD ACCIDENTS 3 000
•HOMICIDES 630
•WORK ACCIDENTS 235
•ASBESTOS DEATHS 2 000
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How Asbestos Enters The Body
•By INHALATION
•By INGESTION
Asbestos fibers can become embeddedin the tissues of the respiratory tract orthe digestive system.
There have been cases of 20-40 years oflatency before malignancy appears.
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3 Distinct Diseases
MESOTHELIOMA
•A rare malignant tumor of the lung
•membrane which lines the chest and
•abdominal cavity.
ASBESTOSIS
•A progressively restrictive fibrosis of thelung and is recognized as a disabling andfatal occupational disease.
•(FIBROSIS - A condition marked by theincrease of connective, fibrous tissue
BRONCHIAL LUNG CANCER Malignant tumorof the bronchial tubes, this disease is morecommon than the following two.
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The Results
We are surrounded by asbestos products.
Post mortem studies show that more than60% of people in the UK have asbestos fibresin their lungs at point of death (over 36000000 people).
It was nothing to do with cause of death.
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WHAT IS THE REAL RISK ?LUNG CANCER
AsbestosWorker
Smoker
Death Rate
MortalityRatio
NO
No
11.3
1
Yes
No
58.4
X5
No
Yes
122.8
X11
Yes
Yes
601.6
X53
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Working with Asbestos
ASBESTOS WHEN:
•HANDLED
•MIXED
•APPLIED
•REMOVED
•CUT SCORED
SHALL BE WORKEDIN A WET STATESUFFICIENT TOPREVENT EMISSIONOF AIR-BORNEFIBERS IN EXCESSOF MEL.
NO:
•Eating
•Drinking
•Chew tobacco
•Chew gum
•Smoke
•Apply cosmetics
IN THE WORKAREA.
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Personal Protective Equipment
•Full body, one-piece disposable coveralls
•Hoods extending beyond the collar
•Medium weight rubber gloves and a thin cottonunder glove
•Lightweight Rubber Boots.
•Face Shields/vented goggles,
•Proper respiratory protection
•vacuuming clothing
•Shower facilities shall be located between the cleanand dirty facility.
•Take showers at the endof each shift.
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Disposal Procedures
•Must be adequately wetted.
• Double bagged in heavy duty plastic.
• Exercise care to prevent rupturing when beingmoved.
• Dumpsters shall be labeled "Asbestos Waste Only".
•Label-Contains (Asbestos Fibers Avoid CreatingDust Cancer and Lung Disease Hazard)