Indoor Air Quality

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Information about Indoor Air Quality

Published on August 15, 2007

Author: Hvacmach

Source: slideshare.net

Description

Indoor Air Quality and Sick Buildings

INDOOR AIR QUALITY PRESENTED BY Bill Taylor

PRESENTED BY

Bill Taylor

UNDERSTANDING IAQ HEALTH EFFECTS CAUSATIVE AGENTS SOURCES CONTROL METHODOLOGIES RESOURCES

HEALTH EFFECTS

CAUSATIVE AGENTS

SOURCES

CONTROL METHODOLOGIES

RESOURCES

Sick Building Syndrome Sick building syndrome (SBS) is a situation in which occupants of a building experience acute health effects that seem to be linked to time spent in a building, but no specific illness or cause can be identified. The complaints may be localized in a particular room or zone, or may be widespread throughout the building. Frequently, problems result when a building is operated or maintained in a manner that is inconsistent with its original design or prescribed operating procedures. Sometimes indoor air problems are a result of poor building design or occupant activities.

HEALTH EFFECTS MAY INCLUDE EYE, NOSE, OR THROAT IRRITATION HEADACHES FATIGUE IRRITABILITY DRY SKIN NASAL CONGESTION DIFFICULTY BREATHING NOSE BLEEDS NAUSEA ASTHMA ALLERGY RESPIRATORY DISEASE CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD)

EYE, NOSE, OR THROAT IRRITATION

HEADACHES

FATIGUE

IRRITABILITY

DRY SKIN

NASAL CONGESTION

DIFFICULTY BREATHING

NOSE BLEEDS

NAUSEA

ASTHMA

ALLERGY

RESPIRATORY DISEASE

CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD)

Asthma Asthma afflicts about 20 million Americans, including 6.3 million children.  Since 1980, the biggest growth in asthma cases has been in children under five.  In 2000 there were nearly 2 million emergency room visits and nearly half a million hospitalizations due to asthma, at a cost of almost $2 billion, and causing 14 million school days missed each year May is Asthma Awareness Month  

Asthma afflicts about 20 million Americans, including 6.3 million children.  Since 1980, the biggest growth in asthma cases has been in children under five.  In 2000 there were nearly 2 million emergency room visits and nearly half a million hospitalizations due to asthma, at a cost of almost $2 billion, and causing 14 million school days missed each year

Molds Molds are part of the natural environment. Molds reproduce by means of tiny spores; the spores are invisible to the naked eye and float through outdoor and indoor air. Mold may begin growing indoors when mold spores land on surfaces that are wet. There are many types of mold, and none of them will grow without water or moisture. 

Indoor Air Quality for Schools Twenty percent of the U.S. population, nearly 55 million people, spend their days in our elementary and secondary schools. In the mid-1990s, studies show that 1 in 5 of our nation's 110,000 schools reported unsatisfactory indoor air quality, and 1 in 4 schools reported ventilation -- which impacts indoor air quality -- as unsatisfactory. Students are at greater risk because of the hours spent in school facilities and because children are especially susceptible to pollutants

CAUSATIVE AGENTS CONTINUED ASBESTOS CHRYSOTILE AMOSITE CROCIDOLITE FIBERGLASS INORGANIC DUSTS METALLIC DUSTS LEAD ORGANIC DUSTS PAPER DUSTS POLLEN WATER VAPOR TOBACCO SMOKE COMPONENTS

ASBESTOS

CHRYSOTILE

AMOSITE

CROCIDOLITE

FIBERGLASS

INORGANIC DUSTS

METALLIC DUSTS

LEAD

ORGANIC DUSTS

PAPER DUSTS

POLLEN

WATER VAPOR

TOBACCO SMOKE COMPONENTS

CAUSATIVE AGENTS INDOOR AIR CONTAMINANT TYPES COMBUSTION PRODUCTS VOLATILE CHEMICALS & MIXTURES RESPIRABLE PARTICULATES RESPIRATORY PRODUCTS BIOLOGICS & BIOAEROSOLS RADIONUCLIDES ODORS CARBON MONOXIDE (CO) OXIDES OF NITROGEN (NOX) OXIDES OF SULFUR (SOX) CARBON DIOXIDE (CO2) POLYAROMATIC HYDROCARBON’S (PAH)

INDOOR AIR CONTAMINANT TYPES

COMBUSTION PRODUCTS

VOLATILE CHEMICALS & MIXTURES

RESPIRABLE PARTICULATES

RESPIRATORY PRODUCTS

BIOLOGICS & BIOAEROSOLS

RADIONUCLIDES

ODORS

CARBON MONOXIDE (CO)

OXIDES OF NITROGEN (NOX)

OXIDES OF SULFUR (SOX)

CARBON DIOXIDE (CO2)

POLYAROMATIC HYDROCARBON’S (PAH)

CAUSATIVE AGENTS SOURCES COMBUSTION PRODUCTS KEROSENE HEATERS LOADI WOOD STOVES / UNVENTED GAS STOVES NEARBY TRAFFIC VOLATILE CHEMICALS & MIXTURES ADHESIVES & CAULKING COMPOUNDS CARPETING & DRAPERY PARTICLE BOARD VOLATILE CHEMICALS & MIXTURES FLOOR & WALL COVERINGS PAINTS, VARNISHES AND STAINS UPHOLSTERY

COMBUSTION PRODUCTS

KEROSENE HEATERS

LOADI

WOOD STOVES / UNVENTED GAS STOVES

NEARBY TRAFFIC

VOLATILE CHEMICALS & MIXTURES

ADHESIVES & CAULKING COMPOUNDS

CARPETING & DRAPERY

PARTICLE BOARD

VOLATILE CHEMICALS & MIXTURES

FLOOR & WALL COVERINGS

PAINTS, VARNISHES AND STAINS

UPHOLSTERY

CAUSATIVE SOURCES CONTINUED TOBACCO SMOKE CONSTRUCTION DEBRIS OUTDOOR AIR PLANTS & PLANT PARTS PRODUCTION PROCESSES PEOPLE PLANTS HVAC SYSTEMS COOLING TOWERS HUMANS/ANIMALS STAGNANT WATER RESERVOIRS HUMIDIFIERS SOIL WATER BUILDING MATERIALS

TOBACCO SMOKE

CONSTRUCTION DEBRIS

OUTDOOR AIR

PLANTS & PLANT PARTS

PRODUCTION PROCESSES

PEOPLE

PLANTS

HVAC SYSTEMS

COOLING TOWERS

HUMANS/ANIMALS

STAGNANT WATER RESERVOIRS

HUMIDIFIERS

SOIL

WATER

BUILDING MATERIALS

Green Building Green Building - Do your buildings create a healthy environment for their occupants?  The building industry is increasingly focused on making its buildings greener , which includes using healthier, less polluting and more resource-efficient practices. Indoor environmental quality (IEQ) refers to the quality of the air and environment inside buildings, based on pollutant concentrations and conditions that can affect the health, comfort and performance of occupants -- including temperature, relative humidity, light, sound and other factors.  Good IEQ is an essential component of any building, especially a green building

RESOURCES The Building Air Quality, developed by the EPA and the National Institute for Occupational Safety and Health, provides practical suggestions on preventing, identifying, and resolving indoor air quality (IAQ) problems in public and commercial buildings. This guidance provides information on factors affecting indoor air quality; describes how to develop an IAQ profile of building conditions and create an IAQ management plan; describes investigative strategies to identify causes of IAQ problems; and provides criteria for assessing alternative mitigation strategies, determining whether a problem has been resolved, and deciding whether to consult outside technical specialists. Other topics included in the guide are key problem causing factors; air quality sampling; heating, ventilation, and air conditioning systems; moisture problems; and additional sources of information. The order form is available from EPA Document Reference Number 402-F-91-102 , December 1991. http://www.epa.gov/iaq/largebldgs/baqtoc.html

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