Indoor Air Quality (IAQ)

Materials used in building construction and conditions resulting from property damage, or even poor maintenance and upkeep, can result in indoor air pollution that could jeopardize a person's health. Many of the sources of Indoor Air Quality (IAQ) problems (i.e. formaldehyde, mold, radon, etc.) can be easily prevented and corrected by simple measures. Therefore, to help homeowners and business owners recognize and correct problems they may be experiencing, the following sources have been pulled together for easy access to useful information and answers to solve indoor air pollution. The information consists of guidance on most IAQ issues and associations of professional consultants should these services be desired or needed. Authorization and resources do not allow the MDEQ to visit homes and businesses to test for indoor pollution, but the agency is striving to be of assistance through the information it is making available here.
“How to Request Your Landlord to Make Repairs Under the Mississippi Residential Landlord Act”: pdf

For additional guidance from Mississippi Legal Services on Housing Issues, click HERE.

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Hide details for About Mold and other Indoor PollutantsAbout Mold and other Indoor Pollutants

    Show details for Air DuctsAir Ducts

    Show details for Air CleanersAir Cleaners

    Show details for AsbestosAsbestos

    Show details for Asthma & AllergiesAsthma & Allergies

    Hide details for Biological contaminantsBiological contaminants
    Biological contaminants include bacteria, viruses, animal dander and cat saliva, dust mites, cockroaches, and pollen.
    To read an EPA introductory booklet and this topic, click HERE.

    Hide details for Carbon Monoxide (CO)Carbon Monoxide (CO)

    CO is a colorless, odorless gas that interferes with the delivery of oxygen throughout the body. CO detectors are widely available.
    • To view EPA's information on this topic, click HERE
    • To view National Safety Counsel's document on Carbon Monoxide, click HERE

    Hide details for Fireplaces, Wood stoves, Wood heaters, Wood boilersFireplaces, Wood stoves, Wood heaters, Wood boilers

    The major pollutants released from these sources are carbon monoxide, nitrogen dioxide, and fine particles. Unvented kerosene heaters may also generate acid aerosols. (Recent regulatory requirements require wood boilers to be no closer than 100 ft from a residence).
    To read an EPA introductory booklet and this topic, click HERE .

    Hide details for FormaldehydeFormaldehyde
    • To read an EPA introductory booklet and this topic, click HERE.
    • A Consumer Product Safety Commission document on Formaldehyde, click HERE

    Note on mobile homes, travel trailers and cottages:
    Formaldehyde is a common ingredient in pressed-wood products, including particle board, and can cause eye, nose, and throat irritation, wheezing and coughing, fatigue, skin rashes, headaches, nosebleeds, and severe allergic reactions.. Formaldehyde levels are generally much higher in the warmer months. Good ventilation can dilute and reduce levels quite a bit.

    Show details for Household Cleaning Chemicals and SpraysHousehold Cleaning Chemicals and Sprays

    Show details for InsulationInsulation

    Show details for LeadLead

    Hide details for MoldMold
    Hayfever-like symptoms such as stuffiness, throat irritation, coughing or wheezing, eye irritation, or, in some cases, skin irritation may be the result of a high concentration of mold spores. In worse cases Mycotoxins from molds has been linked to symptoms like headaches, nasal irritation, dizziness, fatigue, and nausea.

    Mold needs water and a food source (building materials) to grow. If one removes the water and moisture and keeps it dry, the mold cannot grow.
    • MS Department of Health webpage on Mold: html
    • Center for Disease Control site webpage on Mold: html
    • Mold and Dampness: Guidance from CDPH, html
    • "Mold Remediation in Schools and Commercial Buildings" - An EPA booklet: html
    • Mold Toxins (Mycotoxins) and Black Mold - Guidance from the CDC: html
    • To see EPA's information on this topic, click HERE.
    • An online EPA introductory course on Mold, click HERE.
    • Pictures of MOLD (find and Select "View the Mold Slide Show" down on the right side of screen). The Images available at this site give examples of trouble spots & cleanup apparatus.

    • An EPA booklet: "Flood Cleanup: Avoiding Indoor Air Quality Problems," Click HERE.
    • An EPA booklet: "A Brief Guide to Mold, Moisture and your Home," Click HERE.
    • Book: "Clean Up Procedures for Mold In Houses", can be found at: EEBA Bookstore

    Note on Mobile homes.
    Water may leak from the metal siding or roof (those that do not have shingles). Any exposed nail or screw in metal siding should be sealed so water does not seep into the wall cavities. Some walls have no barrier between the outer metal siding and inner dry wall sheeting to resist moisture. If a leak is suspected, it may be worthwhile to check the inner wall cavity for mold and correct any problems as soon as possible.

    Show details for PesticidesPesticides

    Show details for RadonRadon

    Show details for Smoke (Tobacco Smoke and Second hand smoke)Smoke (Tobacco Smoke and Second hand smoke)

    Show details for Vapor IntrusionVapor Intrusion

    Hide details for Resources for ResearchResources for Research
    Show details for EPA ResourcesEPA Resources

    Show details for Publications on Multiple IAQ TopicsPublications on Multiple IAQ Topics
    Hide details for Organizations that Address Indoor Air IssuesOrganizations that Address Indoor Air Issues Show details for BooksBooks

    Show details for Consultants and LaboratoriesConsultants and Laboratories

    Show details for Related IAQ TopicsRelated IAQ Topics

    For More Information Contact Bryan Williams 601.961.5799
    Or Air Toxics Branch