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INDOOR AIR QUALITY

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indoor air quality keeping a safe and healthy environment understanding iaq health effects causative agents sources control methodologies legislation 1. – PowerPoint PPT presentation

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Title: INDOOR AIR QUALITY


1
INDOOR AIR QUALITY
  • Keeping A Safe And Healthy Environment

2
UNDERSTANDING IAQ
  • HEALTH EFFECTS
  • CAUSATIVE AGENTS
  • SOURCES
  • CONTROL METHODOLOGIES
  • LEGISLATION

3
  • 1. HEALTH EFFECTS

4
1. HEALTH EFFECTS
  • SICK BUILDING SYNDROME (SBS)
  • VS
  • BUILDING RELATED ILLNESS (BRI)

5
1. HEALTH EFFECTS
  • SICK BUILDING SYNDROME
  • A PERSISTENT SET OF SYMPTOMS IN gt 20
  • CAUSE(S) NOT RECOGNIZABLE
  • COMPLAINTS/SYMPTOMS RELIEVED AFTER EXITING
    BUILDING

6
1. HEALTH EFFECTS
  • SICK BUILDING SYNDROME (SBS)
  • EYE, NOSE, OR THROAT IRRITATION
  • HEADACHES
  • FATIGUE
  • REDUCED MENTATION
  • IRRITABILITY

7
1. HEALTH EFFECTS
  • SICK BUILDING SYNDROME (SBS)
  • DRY SKIN
  • NASAL CONGESTION
  • DIFFICULTY BREATHING
  • NOSE BLEEDS
  • NAUSEA

8
1. HEALTH EFFECTS
  • BUILDING RELATED ILLNESS
  • CLINICALLY RECOGNIZED DISEASE
  • EXPOSURE TO INDOOR AIR POLLUTANTS
  • RECOGNIZABLE CAUSES

9
1. HEALTH EFFECTS
  • BUILDING RELATED ILLNESS (BRI)
  • PONTIAC FEVER - LEGIONELLA spp.
  • LEGIONNAIRES DISEASE
  • HYPERSENSITIVITY PNEUMONITIS
  • HUMIDIFIER FEVER

10
1. HEALTH EFFECTS
  • BUILDING RELATED ILLNESS (BRI)
  • ASTHMA
  • ALLERGY
  • RESPIRATORY DISEASE
  • CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD)

11
  • 2. CAUSATIVE AGENTS

12
2. CAUSATIVE AGENTS
  • INDOOR AIR CONTAMINANT TYPES
  • COMBUSTION PRODUCTS
  • VOLATILE CHEMICALS MIXTURES
  • RESPIRABLE PARTICULATES
  • RESPIRATORY PRODUCTS
  • BIOLOGICS BIOAEROSOLS
  • RADIONUCLIDES
  • ODORS

13
2. CAUSATIVE AGENTS
  • COMBUSTION PRODUCTS
  • CARBON MONOXIDE (CO)
  • OXIDES OF NITROGEN (NOX)
  • OXIDES OF SULFUR (SOX)
  • CARBON DIOXIDE (CO2)
  • POLYAROMATIC HYDROCARBONS (PAH)
  • TOBACCO SMOKE COMPONENTS

14
2. CAUSATIVE AGENTS
  • VOLATILE ORGANIC CHEMICALS
  • ALCOHOLS - ISOPROPANOL
  • ALDEHYDES - FORMALDEHYDE
  • ALIPHATICS - CYCLOHEXANE
  • AROMATIC HYDROCARBONS - 4PC
  • ESTERS - ETHYL ACETATE
  • HALOGENATED HYDROCARBONS - TCE

15
2. CAUSATIVE AGENTS
  • RESPIRABLE PARTICULATES
  • ASBESTOS
  • CHRYSOTILE
  • AMOSITE
  • CROCIDOLITE
  • FIBERGLASS
  • INORGANIC DUSTS (MINERAL)

16
2. CAUSATIVE AGENTS
  • RESPIRABLE PARTICULATES
  • METALLIC DUSTS
  • LEAD
  • ORGANIC DUSTS
  • PAPER DUSTS
  • POLLEN

17
2. CAUSATIVE AGENTS
  • RESPIRATORY PRODUCTS
  • WATER VAPOR
  • CARBON DIOXIDE (CO2)
  • ETIOLOGICAL AGENTS
  • TOBACCO SMOKE COMPONENTS

18
2. CAUSATIVE AGENT
  • BIOLOGICS BIOAEROSOLS
  • MOLDS FUNGI
  • BACTERIA
  • PROTOZOA
  • VIRUSES

19
2. CAUSATIVE AGENTS
  • RADIONUCLIDES
  • RADON
  • RADON PROGENY (DAUGHTERS)

20
2. CAUSATIVE AGENTS
  • ODORS
  • ODORS ASSOCIATED WITH ANY INDOOR AIR CONTAMINANT
    TYPE
  • INDEPENDENTLY
  • IN COMBINATION

21
  • 3. SOURCES

22
3. SOURCE
  • COMBUSTION PRODUCTS
  • KEROSENE HEATERS
  • LOADING DOCKS
  • WOOD STOVES/UNVENTED GAS STOVES
  • NEARBY TRAFFIC

23
3. SOURCES
  • VOLATILE CHEMICALS MIXTURES
  • ADHESIVES CAULKING COMPOUNDS
  • CARPETING DRAPERY
  • PARTICLE BOARD

24
3. SOURCES
  • VOLATILE CHEMICALS MIXTURES
  • FLOOR WALL COVERINGS
  • PAINTS, VARNISHES AND STAINS
  • UPHOLSTERY

25
3. SOURCES
  • RESPIRABLE PARTICULATES
  • ENVIRONMENTAL TOBACCO SMOKE (ETS)
  • CONSTRUCTION DEBRIS
  • OUTDOOR AIR
  • PLANTS PLANT PARTS
  • PRODUCTION PROCESSES

26
3. SOURCES
  • PARTICULATE PHASE OF CIGARETTE SMOKE
  • 4-AMINOBIPHENYL NICKEL
  • ANATABINE NICOTINE
  • ANILINE PHENOL
  • BENZAANTHRACENE POLONIUM-210
  • BENZAPYRENE QUINOLINE
  • BENZOIC ACID SUCCINIC ACID
  • BUTYROLACTONE 2-TOLUIDINE
  • NITROSODIETHANOLAMINE CADMIUM

27
3. SOURCES
  • VAPOR PHASE OF CIGARETTE SMOKE
  • HYDROGEN CYANIDE ACETALDEHYDE
  • ACETONE ACROLEIN
  • 1,3-BUTADIENE BENZENE
  • CARBON MONOXIDE FORMALDEHYDE
  • DIMETHYLAMINE HYDRAZINE
  • CARBONYL SULFIDE ETHANE
  • METHYL CHLORIDE PYRIDINE
  • AMMONIA FORMIC ACID

28
3. SOURCES
  • RESPIRATORY PRODUCTS
  • PEOPLE
  • PLANTS

29
3. SOURCES
  • BIOLOGICS BIOAEROSOLS
  • HVAC SYSTEMS
  • COOLING TOWERS
  • HUMANS/ANIMALS
  • STAGNANT WATER RESERVOIRS
  • HUMIDIFIERS

30
3. SOURCES
  • RADIONUCLIDES (RADON - 222Rn)
  • SOIL
  • WATER
  • BUILDING MATERIALS
  • NATURAL GAS

31
  • 4. CONTROL METHODOLOGIES

32
4. CONTROL METHODOLOGIES
  • PREVENTING IAQ PROBLEMS
  • SOURCES OUTSIDE THE BUILDING
  • EQUIPMENT
  • HUMAN ACTIVITIES
  • BUILDING COMPONENTS FURNISHINGS
  • OTHER SOURCES
  • VENTILATION TO MEET OCCUPANT NEEDS
  • OTHER CONSIDERATIONS

33
4. CONTROL METHODOLOGIES
  • SOURCES OUTSIDE THE BUILDING
  • CONTAMINATED OUTDOOR AIR
  • POLLEN, DUST, FUNGI
  • INDUSTRIAL POLLUTANTS
  • GENERAL VEHICLE EXHAUST

34
4. CONTROL METHODOLOGIES
  • SOURCES OUTSIDE THE BUILDING
  • EMISSIONS FROM NEARBY SOURCES
  • PARKING LOTS/GARAGES
  • LOADING DOCKS/DUMPSTERS
  • RE-ENTRAINED BUILDING EXHAUST
  • LOCATION OF SUPPLY INTAKES

35
4. CONTROL METHODOLOGIES
  • SOURCES OUTSIDE THE BUILDING
  • SOIL GAS
  • RADON
  • UNDERGROUND STORAGE TANKS (LEAKING)
  • LANDFILL
  • PESTICIDE APPLICATION

36
4. CONTROL METHODOLOGIES
  • SOURCES OUTSIDE THE BUILDING
  • STANDING WATER
  • ROOFTOPS
  • CRAWLSPACES

37
4. CONTROL METHODOLOGIES
  • EQUIPMENT
  • HVAC SYSTEM
  • DUST/DIRT/GROWTH IN DUCTS
  • GROWTH IN DRIP PANS
  • IMPROPER USE OF BIOCIDES
  • IMPROPER VENTING

38
4. CONTROL METHODOLOGIES
  • EQUIPMENT
  • NON-HVAC EQUIPMENT
  • EMISSIONS FROM OFFICE EQUIPMENT
  • SUPPLIES (SOLVENTS, TONERS, ETC.)
  • EMISSIONS FROM LABS, CLEANING
  • OTHER MECHANICAL SYSTEMS

39
4. CONTROL METHODOLOGIES
  • HUMAN ACTIVITIES
  • PERSONAL ACTIVIITES
  • SMOKING
  • COOKING
  • PERSONAL HYGIENE (BODY ODORS)
  • COSMETIC ODORS

40
4. CONTROL METHODOLOGIES
  • HUMAN ACTIVITIES
  • HOUSEKEEPING ACTIVIITES
  • CLEANING MATERIALS
  • CLEANING PROCEDURES
  • STORED SUPPLIES TRASH
  • DEODORIZERS FRAGRANCES

41
4. CONTROL METHODOLOGIES
  • HUMAN ACTIVITIES
  • MAINTENANCE ACTIVIITES
  • COOLING TOWERS
  • PAINTS, CAULKS, ETC.
  • PEST CONTROL
  • STORED SUPPLIES

42
4. CONTROL METHODOLOGIES
  • BUILDING COMPONENTS FURNISHINGS
  • LOCATIONS THAT COLLECT DUST
  • DAMAGED MATERIALS
  • UNSANITARY CONDITIONS

43
4. CONTROL METHODOLOGIES
  • BUILDING COMPONENTS FURNISHINGS
  • WATER DAMAGE
  • DRY TRAPS - SEWER GAS
  • CHEMICAL RELEASE OR OFF-GASING

44
4. CONTROL METHODOLOGIES
  • OTHER SOURCES
  • ACCIDENTAL EVENTS
  • SPILLS
  • FLOODING
  • FIRE DAMAGE (PCBS)

45
4. CONTROL METHODOLOGIES
  • OTHER SOURCES
  • SPECIAL USE AREAS
  • SMOKING LOUNGES
  • LABORATORIES
  • PRINT SHOPS
  • ART ROOMS - GRAPHIC DESIGN

46
4. CONTROL METHODOLOGIES
  • OTHER SOURCES
  • SPECIAL USE AREAS
  • EXERCISE ROOMS
  • BEAUTY SALONS
  • FOOD PREPARATION AREAS

47
4. CONTROL METHODOLOGIES
  • OTHER SOURCES
  • REDECORATING/REMODELING/REPAIR
  • NEW FURNISHINGS
  • DUST FIBERS FROM DEMOLITION
  • ODORS VOCS (PAINT, ETC.)
  • MICROBIOLOGICALS FROM DEMOLITION

48
4. CONTROL METHODOLOGIES
  • VENTILATION TO MEET OCCUPANT NEEDS
  • ASHRAE STANDARDS (ASHRAE 62-1989)
  • TEMPERATURE
  • RELATIVE HUMIDITY
  • MINIMUM OUTDOOR AIR REQUIREMENTS
  • CO2 LEVELS BELOW 1000 PPM

49
4. CONTROL METHODOLOGIES
  • VENTILATION TO MEET OCCUPANT NEEDS
  • ENGINEERING CONTROLS
  • MODIFY VENTILATION SYSTEM
  • MODIFY PRESSURE RELATIONSHIPS
  • FILTERS

50
4. CONTROL METHODOLOGIES
  • VENTILATION TO MEET OCCUPANT NEEDS
  • ENGINEERING CONTROLS
  • PRECIPITATORS
  • ION GENERATORS
  • HUMIDIFICATION SYSTEMS

51
4. CONTROL METHODOLOGIES
  • OTHER CONSIDERATIONS
  • POPULATION DENSITY
  • LIGHTING
  • NOISE
  • ERGONOMICS

52
4. CONTROL METHODOLOGIES
  • OTHER CONSIDERATIONS
  • MANAGEMENT STYLES
  • MONITORED WORK STATIONS
  • RE-ENTRY CRITERIA
  • NO NEWS IS GOOD NEWS

53
  • 5. LEGISLATION

54
5. LEGISLATION
  • OSHA IAQ STANDARD
  • LEGISLATION PENDING
  • AFL-CIO PETITIONED OSHA
  • 14 AFFILIATED UNIONS HAVE PETITIONS PENDING

55
5. LEGISLATION
  • NEW JERSEY IAQ STANDARD
  • SPECIFIC TEMPERATURES
  • 68 - 74.5 OF WINTER
  • 73 - 79 OF SUMMER
  • 30 - 60 RELATIVE HUMIDITY
  • 20 CFM OUTSIDE AIR/PERSON

56
5. LEGISLATION
  • NEW JERSEY IAQ STANDARD
  • SMOKING ROOM AIR ON SEPARATE SYSTEM
  • RENOVATION - ISOLATED
  • PREVENTIVE MAINTENANCE SCHEDULES
  • HVAC SYSTEM
  • RECORD KEEPING - VENTILATION SYSTEM MAINTENANCE

57
  • THE END
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