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  • INTERIORS
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  • ROOFING
  • SEPTIC SYSTEMS
  • STRUCTURE
  • WATER SUPPLY
  • ENERGY SAVINGS
  • ENVIRONMENT
  • INDOOR AIR IAQ
  • INSULATION
  • MOLD INSPECT TEST REMOVE
  • NOISE
  • ODORS
  • SOLAR ENERGY
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  • EXPERTS DIRECTORY
  • CONTACT US



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INDOOR AIR QUALITY IMPROVEMENT GUIDE

Aerobiology Associations
ACCURACY vs PRECISION of MEASUREMENTS
AIR CLEANER PURIFIER TYPES
AIR FILTER EFFICIENCY
AIR FILTERS, FIBERGLASS PARTICLES
AIR FILTERS for HVAC SYSTEMS
AIR FILTERS, OPTIMUM INDOOR
AIR FILTERS, SOURCES FOR
AIR FILTERING STRATEGIES
AIR FILTERING CONTINUOUS FAN OPERATION
AIR FLOW MEASUREMENT CFM
AIR HANDLER / BLOWER UNITS
AIR LEAK DETECTION TOOLS
AIR LEAK SEALING PROCEDURE
AIR POLLUTANTS, COMMON INDOOR
AIR QUALITY IMPROVEMENT STRATEGIES
AIR SEALING STRATEGIES
AIR TEST FOR MOLD: ACCURACY
AIR TEST SAMPLING CASSETTE STUDY
AIRBORNE MOLD COUNT NUMBER GUIDE
ALLERGEN TESTS for buildings
ANIMAL ALLERGENS / PET DANDER
ANIMAL ENTRY POINTS in buildings
ASBESTOS IDENTIFICATION IN buildings
Asbestos Under the Microscope
ATTORNEYS and EXPERT WITNESSES

BACKDRAFTING HEATING EQUIPMENT
BASEMENT MOLD
BATHROOM MOLD
BIBLIOGAPHY for ENVIRONMENTAL HEALTH, MOLD, IAQ
BIOGAS PRODUCTION & USE
BIOLOGICAL POLLUTANTS
BOD WASTEWATER TEST
Bisphenol-A, BPA
BLOWER DOORS & AIR INFILTRATION
BLOWER FAN CONTINUOUS OPERATION
BLOWER FAN OPERATION & TESTING
BLUE vs YELLOW COMBUSTION FLAMES
BLUERAY Recall
BOOKSTORE - ENVIRONMENTAL
BUILDING SAFETY HAZARDS GUIDE

CACTUS FUNGI / MOLD
Cadmium in the home
CAR MOLD CONTAMINATION
CARBON DIOXIDE - CO2
CARBON MONOXIDE - CO
Carbon Nanotube Hazards
CARPET DUST IDENTIFICATION
CARPET MOLD CONTAMINATION
CARPET PADDING ASBESTOS, MOLD, ODORS
CARPET FUNGICIDAL SPRAY
CARPET STAIN DIAGNOSIS
CARPET & other STAIN TESTS
CARPET TEST PROCEDURE
CARPETING & INDOOR AIR QUALITY
CARPETING, SELECTION & INSTALLATION
CAT DANDER in buildings
Cell phone Radiation Hazards
COALSTOVE SAFETY
CHIMNEY INSPECTION DIAGNOSIS REPAIR
CHINESE DRYWALL HAZARDS
CHEMICAL CONTAMINANTS in WATER
CHLORINE IN DRINKING WATER
CHLORINE in WATER, HOW TO TEST FOR
CHLORINE IN SEPTIC WASTEWATER
COMBUSTION GASES & PARTICLE HAZARDS
COMBUSTION PRODUCTS & IAQ
CONDENSATION or SWEATING PIPES, TANKS
CPSC Indoor Air Pollution Book Online Copy

DIRECTORY of MOLD / ENVIRONMENTAL EXPERTS
DIRECTORY of OIL TANK EXPERTS
DIRT FLOOR MOLD CONTAMINATION
Disinfectants
Disinfecting Buildings with Bleach
DRYWALL MOLD
DRAFT HOODS - gas fired
DRAFT MEASUREMENT, CHIMNEYS & FLUES
DRAFT REGULATORS, DAMPERS, BOOSTERS
DRINKING WATER
Diethylstilbestrol - DES
DUCT SYSTEM & DUCT DEFECTS
DUST ANALYSIS for FIBERGLASS
DUST, HVAC CONTAMINATION STUDY
DUST SAMPLING PROCEDURE

EMERGENCY RESPONSE, IAQ, GAS, MOLD
EMF ELECTROMAGNETIC FIELDS & HUMAN EXPOSURE
ENVIRO-SCARE - PUBLIC FEAR CYCLES
ENERGY SAVINGS in buildings

Fiberboard Insulation Sheathing Mold
Fiberglass Enviro-Scare
FIBERGLASS HAZARDS
FIBERGLASS INSULATION MOLD
FIBERGLASS PARTICLE CONTAMINATION TEST
FIREPLACE INSERTS
Fireplaces & Woodstove Contaminants
FLAME COLOR, BLUE vs YELLOW COMBUSTION
FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FLOODS IN buildings-mold
FLOOR TYPES & DEFECTS
FLOOR TILE ASBESTOS IDENTIFICATION
FLOOR TILE ASBESTOS PHOTO ID GUIDE
FLOOR TILE HISTORY & INGREDIENTS
FLOORING MATERIALS, Age, Types
FORMALDEHYDE HAZARDS
Formaldehyde Gas Hazard Reduction

GAS DETECTION INSTRUMENTS
GAS EXPOSURE LIMITS & STANDARDS
GAS EXPOSURE SCREENING TEST
GAS FIRED WATER HEATERS
GAS LP & Natural Gas Safety Hazards
GAS LP & Natural Gas Pressures
GAS DETECTION INSTRUMENTS
GAS PIPING, VALVES, CONTROLS
GAS EXPOSURE LIMITS & STANDARDS
GLARE, Sunlight/Lighting Control
Goodman HTPV RECALL

HEATING INSPECTIONS
HEATING OIL - OLD, USEABLE?
HEATING OIL PIPING TROUBLES
HEATING OIL SHELF LIFE
HEATING OIL SLUDGE
HEATING OIL USAGE RATE
HEATING OIL EXPOSURE HAZARDS, LIMITS
HUMIDITY CONTROL & TARGETS INDOORS
HVAC Systems
HOME HEATING SAFETY

Indoor Air Pollution Book Online CPSC
INDOOR AIR QUALITY & HOUSE TIGHTNESS
INDOOR AIR QUALITY IMPROVEMENT GUIDE
INDOOR AIR QUALITY METHODS COMPARED
INSULATION INSPECTION & IMPROVEMENT
INSULATION IDENTIFICATION GUIDE
INSULATION, ASBESTOS
INSULATION MOLD RESISTANCE of FOAM
INSULATION MOLD
INSULATION, UFFI UREA FORMALDEHYDE FOAM

LEAD POISONING HAZARDS GUIDE
LEED Building Designation & IAQ
Legionella Legionnaires' Disease
Legionella BACTERIA & HVAC Equipment
LIGHTING, EXTERIOR GUIDE
LIGHTING, INTERIOR GUIDE
LIGHTNING PROTECTION
LP & Natural Gas Safety Hazards

METHANE GAS SOURCES
MEDIA BLASTING for MOLD REMOVAL
METHANE GAS SOURCES
MICROSCOPE DIGITAL PHOTOGRAPHY
MILDEW in BUILDINGS ?
MILDEW ERRORS - MOLD PHOTOS
MILDEW REMOVAL & PREVENTION
MOISTURE CONTROL in BUILDINGS
MOLD: A COMPLETE GUIDE TO MOLD
MOLD ACTION GUIDE - WHAT TO DO ABOUT MOLD
MOLD APPEARANCE - WHAT MOLD LOOKS LIKE
MOLD CLEANUP GUIDE- HOW TO GET RID OF MOLD
MOLD CLEARANCE INSPECTIONS
MOLD COUNT NUMBER GUIDE
MOLD CONSULTANTS / INSPECTORS
MOLD CULTURE TEST KIT VALIDITY
MOLD DETECTION & INSPECTION GUIDE
MOLD or INDOOR AIR EMERGENCY RESPONSE
MOLD EXPERT, WHEN TO HIRE
MOLD LEVEL IN AIR, VALIDITY
MOLD ODORS, MUSTY SMELLS
MOLD PREVENTION GUIDE
MOLD RELATED ILLNESS GUIDE
MOLD SPRAYS, SEALANTS, PAINTS
MOLD STANDARDS
MOLD TEST KITS
MOLD TESTING METHOD VALIDITY
MORGELLONS SYNDROME
MSDS Material Safety Data Sheets
MVOCs & MOLDY MUSTY ODORS
MYCOPHOBIA, STAINS MISTAKEN for MOLD
MYCOTOXIN EFFECTS of MOLD EXPOSURE
MSDS Material Safety Data Sheets
Museum Artifact Preservation
MVOCs & MOLDY MUSTY ODORS

Nanomaterials Hazards
NOISE / SOUND DIAGNOSIS & CURE
NOISE AIR CONDITIONER / HEAT PUMP
NOISE, DUCT VIBRATION DAMPENERS
NOISE CONTROL for HEATING SYSTEMS
NOISE CONTROL for FLOORS
NOISE CONTROL for PLUMBING
NOISE, PLUMBING DRAIN DIAGNOSIS
NOISE, PLUMBING DRAIN REPAIR
NOISE, PLUMBING CHECKLIST
NOISE, WATER HEATER
NOISES, WATER PUMP

ODORS GASES SMELLS, DIAGNOSIS & CURE
OIL, HEATING, EXPOSURE HAZARDS, LIMITS
OIL HEAT ODORS
OIL SPILL CLEANUP / PREVENTION
OIL TANK LEAK ODORS
OIL TANKS INSPECT LEAK TEST ABANDON REGS
OXYGEN - O2
OZONE HAZARDS
OZONE for MOLD OR ODORS

PAINTS & COATINGS ODORS IN BUILDINGS
PARTICLE SIZES & IAQ
Particulates & Allergens Indoors
Pesticide Exposure Hazards
PET ALLERGENS / PET DANDER
PET STAINS on FLOORS
PET STAINS on WALLS
PLASTIC CONTAINERS, TANKS, TYPES
PLASTIC HEATER VENT
PLASTIC ODORS-SCREENS, SIDING
PLUMBING SYSTEM ODORS
Pollen Photos
PVC - VINYL BUILDING PRODUCTS

RADON HAZARD TESTS & MITIGATION
Radon Enviro-Scare

SAFETY HAZARDS GUIDE
SAFETY HAZARDS & INSPECTIONS
SEPTIC SYSTEM INSPECT DIAGNOSE REPAIR
SEPTIC METHANE GAS
SEPTIC ODORS
SEPTIC PUMPS
SEPTIC SYSTEM ODORS
SEPTIC & CESSPOOL SAFETY
SEWAGE BACKUP TEST & CLEANUP
SEWAGE & SEPTIC CONTAMINANTS
SEWAGE CONTAMINATION in buildings
SEWER GAS ODORS
SEWER GAS ODORS in COLD WEATHER
SICK HOUSE IAQ QUESTIONNAIRE
SIDING VINYL
SMELL PATCH TEST to Track Down Odors
SOUND CONTROL in buildings
STAINS on & in BUILDINGS, CAUSES & CURES
STAIN DIAGNOSIS on BUILDING EXTERIORS
STAIN DIAGNOSIS on BUILDING INTERIORS
STAINS on INDOOR SURFACES: PHOTO GUIDE
STAINS & Thermal Tracking
SULPHUR & SEWER GAS SMELL SOURCES

THERMAL TRACKING Indicates Heat Loss

UFFI UREA FORMALDEHYDE FOAM INSULATION
URETHANE FOAM Deterioration, Outgassing

VAPOR BARRIERS & CONDENSATION in BUILDINGS
VENTILATION in BUILDINGS
VINYL CHLORIDE HEALTH INFO
VINYL SIDING
VINYL Siding or PLASTIC Window ODORS
Volatile Organic Compounds VOCs

WATER ODORS, CAUSE CURE
WATER TANK SAFETY
WATER TESTS, CONTAMINANTS, TREATMENT
WATER TEST CHOICES & WATER TEST FEES
WATER TREATMENT EQUIPMENT CHOICES
WIND ENERGY SYSTEMS
WIND TURBINES & LIGHTNING
World Trade Center Collapse Dust Photos

More Information

Table of IAQ hazards (C) Wiley Steven BlissTable of Common Indoor Air Hazards, Sources, Effects, Remedies
     

  • INDOOR AIR HAZARDS TABLE - Table of common indoor air hazards and contaminants
    • Asbestos - source, health effects, exposure levels, steps to reduce
    • Biologicals: bacteria, mold, viruses, allergens, animal dander, dust mites, pollen - sources, health effects, exposure levels, steps to reduce
    • Formaldehyde - source, health effects, exposure levels, steps to reduce
    • Lead
    • - source, health effects, exposure levels, steps to reduce
    • Pesticides
    • - source, health effects, exposure levels, steps to reduce
    • Radon - source, health effects, exposure levels, steps to reduce
    • VOCs - volatile organic compounds - source, health effects, exposure levels, steps to reduce
  • AIR POLLUTANTS, COMMON INDOOR - separate article
  • INDOOR COMBUSTION PRODUCTS & IAQ - separate article
  • Questions & Answers about common indoor air hazards, both biological and non-biological: cause, detection, cure
  • References

Click to Show or Hide Related Topics

  • AIR FILTERS, OPTIMUM INDOOR
  • AIR FILTERING STRATEGIES
  • AIR POLLUTANTS, COMMON INDOOR
  • ALLERGENS in BUILDINGS - home
  • ANIMAL ALLERGENS / PET DANDER
  • BACKDRAFTING HEATING EQUIPMENT
  • BIOLOGICAL POLLUTANTS
  • CARPETING & INDOOR AIR QUALITY
  • CAT DANDER in buildings
  • CHINESE DRYWALL HAZARDS
  • COMBUSTION GASES & PARTICLE HAZARDS
  • COMBUSTION PRODUCTS & IAQ
  • DUCT SYSTEM & DUCT DEFECTS
  • DUST SAMPLING PROCEDURE
  • FIBERGLASS HAZARDS
  • FIBERGLASS INSULATION MOLD
  • FIBERGLASS PARTICLE CONTAMINATION TEST
  • FORMALDEHYDE HAZARDS
  • GAS EXPOSURE SCREENING TEST
  • HUMIDITY CONTROL & TARGETS INDOORS
  • INDOOR AIR HAZARDS TABLE
  • INDOOR AIR QUALITY IMPROVEMENT GUIDE - home
  • INDOOR AIR QUALITY IMPROVEMENT, KEY STEPS
  • INDOOR COMBUSTION PRODUCTS & IAQ
  • METHANE GAS SOURCES
  • MOLD: A COMPLETE GUIDE TO MOLD
  • ODORS, Smells, Gases in buildings
  • OZONE HAZARDS
  • PET ALLERGENS / PET DANDER
  • PLASTIC ODORS-SCREENS, SIDING
  • POLLEN PHOTOS
  • RADON HAZARD TESTS & MITIGATION
  • SEWER GAS ODORS
  • Urea Formaldehyde Foam Insulation UFFI
  • VINYL Siding or PLASTIC Window ODORS
InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

List of indoor air contaminants & hazards: here we provide a table listing common indoor air quality contaminants, their sources, effects, typical levels, and steps to reduce exposure.

Green links show where you are. © Copyright 2013 InspectAPedia.com, All Rights Reserved. Author Daniel Friedman.

Guide to Finding & Reducing Common Indoor Air Pollutants & Contamination Sources

This article series includes excerpts from Best Practices Guide to Residential Construction, by Steven Bliss, courtesy of Wiley & Sons. According to Best Practices Guide to Residential Construction:

Public health officials have focused their efforts on outside air pollution for decades, establishing laws and guidelines for what is acceptable air to breath. As it turns out, however, people spend a lot more time indoors than out and, on average, the air is far dirtier indoors. Pollutants range from the merely unpleasant to the potentially deadly. The health effects of low exposures to many of these substances over long time periods is not well understood.

Yet, it seems prudent to have a working knowledge of what’s in the air you’re breathing and to take commonsense steps to eliminate or minimize materials that, in larger doses, make most people sick.

A summary of common indoor pollutants is shown in

  • Table 7-5, Table of Common Indoor Air Hazards is at INDOOR AIR HAZARDS TABLE provided just below in this document
  • Table 7-9, Table of Combustion Products and Indoor Air Quality is at INDOOR COMBUSTION PRODUCTS & IAQ

For a full discussion of these indoor air hazards see pages 282 and 294 in Best Practices Guide to Residential Construction, by Steven Bliss, Wiley & Sons.

Table of Common Indoor Air Hazards, Contaminants, Pollutants

The following table, issued in three sections, lists common indoor air hazards and contaminants, providing for each contaminant the name, description, primary household sources, health effects, typical exposure levels, and steps to reduce exposure. Below on this page we add corrosive sulphur outgassing from Chinese drywall and a link to odor detection help in buildings.

Table of common indoor air hazards, sources, effects, and solutions (C) J Wiley, Steven Bliss

-- Adapted with permission from Best Practices Guide to Residential Construction.

Table of common indoor air hazards, sources, effects, and solutions (C) J Wiley, Steven Bliss

-- Adapted with permission from Best Practices Guide to Residential Construction.

Table of common indoor air hazards, sources, effects, and solutions (C) J Wiley, Steven Bliss

-- Adapted with permission from Best Practices Guide to Residential Construction.

See COMBUSTION AIR for additional details about the requirement for combustion air. COMBUSTION AIR for TIGHT buildings explains how to provide outside combustion air for tight buildings. See COMBUSTION GASES & PARTICLE HAZARDS for an explanation of the dangers of inadequate combustion air. See COMBUSTION PRODUCTS & IAQ for the relationship between fuel burning appliances and building indoor air quality. More about carbon monoxide - CO - is at CARBON MONOXIDE - CO and at CARBON MONOXIDE WARNING.

Update: to the indoor air quality hazards listed in these tables we add

  • CHINESE DRYWALL HAZARDS discusses Chinese drywall odors, sulphur smells, and corrosive outgassing hazards in buildings. Major costs to remove this product, repair or replace electrical wiring, plumbing, and HVAC components may be involved, and there may be immediate safety hazards due to damaged smoke detectors or carbon monoxide detectors in buildings where Chinese drywall outgassing has caused damage.
  • ODORS & SMELLS DIAGNOSIS & CURE - how to identify and remove all kinds of odors in buildings

Frequently Asked Questions (FAQs)

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Questions & answers or comments about common indoor air hazards, both biological and non-biological: cause, detection, cure

Ask a Question or Enter Search Terms in the InspectApedia search box just below.

Technical Reviewers & References

Related Topics, found near the top of this page suggest articles closely related to this one.

  • Steve Bliss's Building Advisor at buildingadvisor.com helps homeowners & contractors plan & complete successful building & remodeling projects: buying land, site work, building design, cost estimating, materials & components, & project management through complete construction. Email: info@buildingadvisor.com
    Steven Bliss served as editorial director and co-publisher of The Journal of Light Construction for 16 years and previously as building technology editor for Progressive Builder and Solar Age magazines. He worked in the building trades as a carpenter and design/build contractor for more than ten years and holds a masters degree from the Harvard Graduate School of Education. Excerpts from his recent book, Best Practices Guide to Residential Construction, Wiley (November 18, 2005) ISBN-10: 0471648361, ISBN-13: 978-0471648369, appear throughout this website, with permission and courtesy of Wiley & Sons. Best Practices Guide is available from the publisher, J. Wiley & Sons, and also at Amazon.com

Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair

  • Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore. Also see our Book Reviews - InspectAPedia.
  • Home Reference Book - Carson DunlopThe Home Reference Book - the Encyclopedia of Homes, Carson Dunlop & Associates, Toronto, Ontario, 25th Ed., 2012, is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. Field inspection worksheets are included at the back of the volume. Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.

    Or choose the The Home Reference eBook for PCs, Macs, Kindle, iPad, iPhone, or Android Smart Phones. Special Offer: For a 5% discount on any number of copies of the Home Reference eBook purchased as a single order. Enter INSPECTAEHRB in the order payment page "Promo/Redemption" space.

  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
  • GO TO Carson Dunlop's Home Study Course Information - How to Become a Home Inspector: Carson Dunlop's nationally recognized Home Study Course, selected by ASHI the American Society of Home Inspectors and other professionals and associations. This website author is a contributor to this course.
    Building inspection education & report writing systems from Carson, Dunlop & Associates Ltd
  • Decks and Porches, the JLC Guide to, Best Practices for Outdoor Spaces, Steve Bliss (Editor), The Journal of Light Construction, Williston VT, 2010 ISBN 10: 1-928580-42-4, ISBN 13: 978-1-928580-42-3, available from Amazon.com
  • Carbon Monoxide Gas Toxicity, exposure limits, poisoning symptoms, and inspecting buildings for CO hazards
  • DUST, HVAC CONTAMINATION STUDY An Investigation of Indoor Dust Debris Blamed on a Heating/Cooling System Reveals Carpet Dust
  • Goodman Furnace High Temperature Plastic Vent HTPV safety recall US CPSC notice
  • Home Heating System Should Be Checked [for proper venting and for CO Carbon Monoxide Hazards - DJF]
  • Inspection Procedures for Oil-Fired Heating Systems Detailed step by step approaches for inspecting complex systems]
  • Lennox Pulse Furnace Safety Inspection/Warranty Program: Carbon Monoxide Warning
  • Oil Tanks - The Oil Storage Tank Information Website: Buried or Above Ground Oil Tank Inspection, Testing, Cleanup, Abandonment of Oil Tanks
  • Oil Tanks Above Ground, UL Standards, guidance for home owners, buyers, and inspectors
  • Plastic Heating Vent Pipe & Other Heating Safety Recall Notices
  • Weil McLain Model GV Gas Boiler/gas valve CPSC recall/repair

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