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INDOOR AIR QUALITY PRESENTED BY KENNETH F. ROBERTS, CIH, CSP
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UNDERSTANDING IAQ u HEALTH EFFECTS u CAUSATIVE AGENTS u SOURCES u CONTROL METHODOLOGIES u LEGISLATION
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HEALTH EFFECTS
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SICK BUILDING SYNDROME (SBS) VS BUILDING RELATED ILLNESS (BRI)
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HEALTH EFFECTS u SICK BUILDING SYNDROME A PERSISTENT SET OF SYMPTOMS IN > 20% CAUSE(S) NOT RECOGNIZABLE COMPLAINTS/SYMPTOMS RELIEVED AFTER EXITING BUILDING
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HEALTH EFFECTS u SICK BUILDING SYNDROME (SBS) EYE, NOSE, OR THROAT IRRITATION HEADACHES FATIGUE REDUCED MENTATION IRRITABILITY
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HEALTH EFFECTS u SICK BUILDING SYNDROME (SBS) DRY SKIN NASAL CONGESTION DIFFICULTY BREATHING NOSE BLEEDS NAUSEA
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HEALTH EFFECTS u BUILDING RELATED ILLNESS CLINICALLY RECOGNIZED DISEASE EXPOSURE TO INDOOR AIR POLLUTANTS RECOGNIZABLE CAUSES
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HEALTH EFFECTS u BUILDING RELATED ILLNESS (BRI) PONTIAC FEVER - LEGIONELLA spp. LEGIONNAIRE’S DISEASE HYPERSENSITIVITY PNEUMONITIS HUMIDIFIER FEVER
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HEALTH EFFECTS u BUILDING RELATED ILLNESS (BRI) ASTHMA ALLERGY RESPIRATORY DISEASE n CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD)
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CAUSATIVE AGENTS
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u INDOOR AIR CONTAMINANT TYPES COMBUSTION PRODUCTS VOLATILE CHEMICALS & MIXTURES RESPIRABLE PARTICULATES RESPIRATORY PRODUCTS BIOLOGICS & BIOAEROSOLS RADIONUCLIDES ODORS
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CAUSATIVE AGENTS u COMBUSTION PRODUCTS CARBON MONOXIDE (CO) OXIDES OF NITROGEN (NO X ) OXIDES OF SULFUR (SO X ) CARBON DIOXIDE (CO 2 ) POLYAROMATIC HYDROCARBON’S (PAH) TOBACCO SMOKE COMPONENTS
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CAUSATIVE AGENTS u VOLATILE ORGANIC CHEMICALS ALCOHOLS - ISOPROPANOL ALDEHYDES - FORMALDEHYDE ALIPHATICS - CYCLOHEXANE AROMATIC HYDROCARBONS - 4PC ESTERS - ETHYL ACETATE HALOGENATED HYDROCARBONS - TCE
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CAUSATIVE AGENTS u RESPIRABLE PARTICULATES ASBESTOS n CHRYSOTILE n AMOSITE n CROCIDOLITE FIBERGLASS INORGANIC DUSTS (MINERAL)
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CAUSATIVE AGENTS u RESPIRABLE PARTICULATES METALLIC DUSTS n LEAD ORGANIC DUSTS PAPER DUSTS POLLEN
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CAUSATIVE AGENTS u RESPIRATORY PRODUCTS WATER VAPOR CARBON DIOXIDE (CO 2 ) ETIOLOGICAL AGENTS TOBACCO SMOKE COMPONENTS
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CAUSATIVE AGENTS u BIOLOGICS & BIOAEROSOLS MOLDS & FUNGI BACTERIA PROTOZOA VIRUSES
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CAUSATIVE AGENTS u RADIONUCLIDES RADON RADON PROGENY (DAUGHTERS)
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CAUSATIVE AGENTS u ODORS ODORS ASSOCIATED WITH ANY INDOOR AIR CONTAMINANT TYPE n INDEPENDENTLY n IN COMBINATION
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SOURCES
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SOURCES u COMBUSTION PRODUCTS KEROSENE HEATERS LOADING DOCKS WOOD STOVES/UNVENTED GAS STOVES NEARBY TRAFFIC
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SOURCES u VOLATILE CHEMICALS & MIXTURES ADHESIVES & CAULKING COMPOUNDS CARPETING & DRAPERY PARTICLE BOARD
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SOURCES u VOLATILE CHEMICALS & MIXTURES FLOOR & WALL COVERINGS PAINTS, VARNISHES AND STAINS UPHOLSTERY
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SOURCES u RESPIRABLE PARTICULATES ENVIRONMENTAL TOBACCO SMOKE (ETS) CONSTRUCTION DEBRIS OUTDOOR AIR PLANTS & PLANT PARTS PRODUCTION PROCESSES
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SOURCES u PARTICULATE PHASE OF CIGARETTE SMOKE 4-AMINOBIPHENYLNICKEL ANATABINENICOTINE ANILINEPHENOL BENZ[A]ANTHRACENEPOLONIUM-210 BENZ[A]PYRENEQUINOLINE BENZOIC ACIDSUCCINIC ACID BUTYROLACTONE2-TOLUIDINE NITROSODIETHANOLAMINECADMIUM
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SOURCES u VAPOR PHASE OF CIGARETTE SMOKE HYDROGEN CYANIDEACETALDEHYDE ACETONEACROLEIN 1,3-BUTADIENEBENZENE CARBON MONOXIDEFORMALDEHYDE DIMETHYLAMINEHYDRAZINE CARBONYL SULFIDEETHANE METHYL CHLORIDEPYRIDINE AMMONIAFORMIC ACID
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SOURCES u RESPIRATORY PRODUCTS PEOPLE PLANTS
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SOURCES u BIOLOGICS & BIOAEROSOLS HVAC SYSTEMS COOLING TOWERS HUMANS/ANIMALS STAGNANT WATER RESERVOIRS HUMIDIFIERS
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SOURCES u RADIONUCLIDES (RADON - 222 Rn) SOIL WATER BUILDING MATERIALS NATURAL GAS
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CONTROL METHODOLOGIES
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u PREVENTING IAQ PROBLEMS SOURCES OUTSIDE THE BUILDING EQUIPMENT HUMAN ACTIVITIES BUILDING COMPONENTS & FURNISHINGS OTHER SOURCES VENTILATION TO MEET OCCUPANT NEEDS OTHER CONSIDERATIONS
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CONTROL METHODOLOGIES u SOURCES OUTSIDE THE BUILDING CONTAMINATED OUTDOOR AIR n POLLEN, DUST, FUNGI n INDUSTRIAL POLLUTANTS n GENERAL VEHICLE EXHAUST
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CONTROL METHODOLOGIES u SOURCES OUTSIDE THE BUILDING EMISSIONS FROM NEARBY SOURCES n PARKING LOTS/GARAGES n LOADING DOCKS/DUMPSTERS n RE-ENTRAINED BUILDING EXHAUST n LOCATION OF SUPPLY INTAKES
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CONTROL METHODOLOGIES u SOURCES OUTSIDE THE BUILDING SOIL GAS n RADON n UNDERGROUND STORAGE TANKS (LEAKING) n LANDFILL n PESTICIDE APPLICATION
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CONTROL METHODOLOGIES u SOURCES OUTSIDE THE BUILDING STANDING WATER n ROOFTOPS n CRAWLSPACES
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CONTROL METHODOLOGIES u EQUIPMENT HVAC SYSTEM n DUST/DIRT/GROWTH IN DUCTS n GROWTH IN DRIP PANS n IMPROPER USE OF BIOCIDES n IMPROPER VENTING
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CONTROL METHODOLOGIES u EQUIPMENT NON-HVAC EQUIPMENT n EMISSIONS FROM OFFICE EQUIPMENT n SUPPLIES (SOLVENTS, TONERS, ETC.) n EMISSIONS FROM LABS, CLEANING n OTHER MECHANICAL SYSTEMS
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CONTROL METHODOLOGIES u HUMAN ACTIVITIES PERSONAL ACTIVIITES n SMOKING n COOKING n PERSONAL HYGIENE (BODY ODORS) n COSMETIC ODORS
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CONTROL METHODOLOGIES u HUMAN ACTIVITIES HOUSEKEEPING ACTIVIITES n CLEANING MATERIALS n CLEANING PROCEDURES n STORED SUPPLIES & TRASH n DEODORIZERS & FRAGRANCES
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CONTROL METHODOLOGIES u HUMAN ACTIVITIES MAINTENANCE ACTIVIITES n COOLING TOWERS n PAINTS, CAULKS, ETC. n PEST CONTROL n STORED SUPPLIES
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CONTROL METHODOLOGIES u BUILDING COMPONENTS & FURNISHINGS LOCATIONS THAT COLLECT DUST DAMAGED MATERIALS UNSANITARY CONDITIONS
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CONTROL METHODOLOGIES u BUILDING COMPONENTS & FURNISHINGS WATER DAMAGE DRY TRAPS - SEWER GAS CHEMICAL RELEASE OR OFF-GASING
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CONTROL METHODOLOGIES u OTHER SOURCES ACCIDENTAL EVENTS n SPILLS n FLOODING n FIRE DAMAGE (PCB’S)
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CONTROL METHODOLOGIES u OTHER SOURCES SPECIAL USE AREAS n SMOKING LOUNGES n LABORATORIES n PRINT SHOPS n ART ROOMS - GRAPHIC DESIGN
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CONTROL METHODOLOGIES u OTHER SOURCES SPECIAL USE AREAS n EXERCISE ROOMS n BEAUTY SALONS n FOOD PREPARATION AREAS
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CONTROL METHODOLOGIES u OTHER SOURCES REDECORATING/REMODELING/REPAIR n NEW FURNISHINGS n DUST & FIBERS FROM DEMOLITION n ODORS & VOC’S (PAINT, ETC.) n MICROBIOLOGICALS FROM DEMOLITION
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CONTROL METHODOLOGIES u VENTILATION TO MEET OCCUPANT NEEDS ASHRAE STANDARDS (ASHRAE 62-1989) n TEMPERATURE n RELATIVE HUMIDITY n MINIMUM OUTDOOR AIR REQUIREMENTS n CO 2 LEVELS BELOW 1000 PPM
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CONTROL METHODOLOGIES u VENTILATION TO MEET OCCUPANT NEEDS ENGINEERING CONTROLS n MODIFY VENTILATION SYSTEM n MODIFY PRESSURE RELATIONSHIPS n FILTERS
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CONTROL METHODOLOGIES u VENTILATION TO MEET OCCUPANT NEEDS ENGINEERING CONTROLS n PRECIPITATORS n ION GENERATORS n HUMIDIFICATION SYSTEMS
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CONTROL METHODOLOGIES u OTHER CONSIDERATIONS POPULATION DENSITY LIGHTING NOISE ERGONOMICS
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CONTROL METHODOLOGIES u OTHER CONSIDERATIONS MANAGEMENT STYLES MONITORED WORK STATIONS RE-ENTRY CRITERIA NO NEWS IS GOOD NEWS
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LEGISLATION
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LEGISLATION u OSHA IAQ STANDARD LEGISLATION PENDING AFL-CIO PETITIONED OSHA 14 AFFILIATED UNIONS HAVE PETITIONS PENDING
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LEGISLATION u NEW JERSEY IAQ STANDARD SPECIFIC TEMPERATURES n 68 - 74.5 O F WINTER n 73 - 79 O F SUMMER 30 - 60% RELATIVE HUMIDITY 20 CFM OUTSIDE AIR/PERSON
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LEGISLATION u NEW JERSEY IAQ STANDARD SMOKING ROOM AIR ON SEPARATE SYSTEM RENOVATION - ISOLATED PREVENTIVE MAINTENANCE SCHEDULES n HVAC SYSTEM RECORD KEEPING - VENTILATION SYSTEM MAINTENANCE
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EPA “SICK BUILDING” SUIT u WATERSIDE MALL BUILDING EPA HEADQUARTERS, WASHINGTON, D.C. u 19 EMPLOYEES
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THE END
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