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Published byBrice Evans Modified over 9 years ago
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n WHAT IS ASBESTOS? n IT IS: –A NATURALLY OCCURING MINERAL –FOUND THROUGHOUT THE WORLD BACKGROUND INFORMATION
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n HOW IS ASBESTOS PRODUCED? –STRIP/OPEN MINING n HOW DOES IT GET ITS NAME? –GREEK ADJECTIVE- INEXTINGUISHABLE –GREEK MIRACLE MINERAL
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n WHERE IS ASBESTOS PRODUCED? –FORMER SOVIET UNION –CANADA –SOUTH AFRICA –LIMITED IN USA BACKGROUND INFORMATION
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n WHO USES ASBESTOS NOW? –EUROPEAN, ASIAN COUNTRIES –CANADA AND MEXICO –SOUTH AMERICA –UNITED STATES NO CURRENT BAN ONLY A BAN ON VISIBLE EMMISSIONS REGULATORY IMPLICATIONS LIMIT USE BACKGROUND INFORMATION
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n GROUPS OF ASBESTOS –SERPENTINE SHEET/LAYERED CHRISOTILE (95%) –AMPHIBOLE CHAIN LIKE AMOSITE CROCIDOLITE ANTHOPHYLLITE TREMOLITE ACTINOLITE
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Amphibole
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Serpentine
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BACKGROUND INFORMATION n FRIABLE VS. NON-FRIABLE –FRIABLE CRUMBLED BY HAND PRESSURE SANDED,GROUND ABILITY TO BE AIRBORNE –NON-FRIABLE HARD/ROCK LIKE
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Non-Friable Friable
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BACKGROUND INFORMATION n CATEGORIES OF ACBM/PACM –SURFACING SPRAY/TROWLED –THERMAL SYSTEM INHIBIT HEAT TRANSFER –MISCELLANEOUS ANY OTHER MATERIAL
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BACKGROUND INFORMATION n PROPERTIES OF ASBESTOS –FIRE RESISTANT –THERMAL QUALITIES –ACOUSTICAL PROPERTIES –ELECTRICAL INSULATOR –TENSILE STRENGTH –CHEMICALLY REST
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BACKGROUND INFORMATION n COMMON USES OF ASBESTOS –PIPE INSULATION –BOILER BREECH/LAGGING –BOILER DOOR –FIRE PROOFING –DEC/ACOUSTICAL –CEILING TILE –ROOFING –ELECTRICAL INSULATION
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HEALTH EFFECTS n HARMFUL PROPERTIES –SIZE OF FIBER –DURABILITY FIBERGLASS 2-3 YEARS ASBESTOS >100 YEARS –SHAPE OF FIBER –BODIES ABILITY TO BREAK DOWN –NO PROOF ON DIFFERENT TOXICITY
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HEALTH EFFECTS n MAN-MADE MATERIALS –FIBERGLASS n ROUTES OF ENTRY –INHALATION –INGESTION
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HEALTH EFFECTS n RESPIRATORY SYSTEM –NATURAL DEFENSE NASAL HAIRS MUCUS SILIVA CILIA TRACHEA PRIMARY BRONCHI –DEEP LUNG ALVEOLI EXCHANGE OF GASES
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ASBESTOS RELATED DISEASES n ASBESTOSIS –LUNG DISEASE CALLED ASBESTOSIS DIAGNOSED IN 1900 –SCARING OR FIBROSIS OF THE LUNG TISSUE IMPAIRS ELASTICITY RESTRICTS O2 INTAKE –LATENCY PERIOD:15-30 YEARS –IRREVERSIBLE WITH NO CURE
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ASBESTOS RELATED DISEASES n LUNG CANCER –MALIGNANT TUMOR OF THE BRONCHI COVERING –LATENCY PERIOD: 20-30 YEARS
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ASBESTOS RELATED DISEASES n MESOTHELIOMA –CANCER OF THE MESOTHELIUM LINING OF CHEST/ABDOMEN –AT TIME OF DIAGNOSES USUALLY FATAL –NO DOSE RESPONSE EFFECT –LANTENCY PERIOD: 30-40 YEARS n OTHER DISEASES
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HEALTH EFFECTS –SYNERGISTIC RELATIONSHIP BETWEEN ASBESTOS AND SMOKING –20 CIGARETTES/DAY –10X FOR LUNG CANCER ASBESTOS ONLY –5X FOR LUNG CANCER CIGARETTES + ASBESTOS 90X GREATER
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REGULATIONS n AHERA (For all K-12 Public and Private) –INSPECTION –REINSPECTION –SAMPLING ANALYSIS –ASSESSMENT –ASSESSMENT CATEGORIES –TRAINING –MANAGEMENT PLAN
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REGULATIONS n DEPARTMENT OF HEALTH AND FAMILY SERVICES –DHFS –STATE EPA –WORKER CERTIFICATION n DEPARTMENT OF COMMERCE
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OPERATIONS & MAINTENANCE PROGRAM n PURPOSE –MAINTAIN ACM NON-FRIABLE –RESPOND TO DAMAGED ACM n MAJOR COMPONENTS –DECON/CLEANING –GENERAL MAINT/CLEANING
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OPERATIONS & MAINTENANCE PROGRAM n EMERGENCY RESPONSE PROCEDURES n PERIODIC SURVEILLANCE n REINSPECTION n RECORD KEEPING –WASTE MANIFEST –O&M FORMS
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OPERATIONS & MAINTENANCE PROGRAM REFER TO INSP/MGMT PLAN/SURV. IF IN DOUBT - SAMPLE REFER TO D.P. n O&M vs. PLANNED ABATEMENT –INTENT –BLUEPRINTS –QUANTITY ONE GLOVEBAG
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OPERATIONS & MAINTENANCE PROGRAM –REMOVE ONLY WHAT IS DAMAGED –FLOOR TILE –EXAMPLES COIL REPLACEMENT UNIVENT LEAK ROOF LEAK
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ASBESTOS REMOVAL n PLANNED ABATEMENT: –STATE NOTIFICATION –NEGATIVE PRESSURE CONTAINMENT –DECONTAMINATION SUITE –CERTIFIED WORKERS –PROPER TECHNIQUES –CLEARANCE AIR TESTING
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OPERATIONS & MAINTENANCE PROGRAM n EMERGENCY RESPONSE –MINOR RELEASE < 3 FT2 OR 3 LF IN-HOUSE –MAJOR RELEASE > 3FT2 OR 3LF PROJECT DESIGN/RESPONSE ACTION –ISOLATE AREA –SHUT DOWN HVAC –CALL EMC
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