Mold Remediation >> How To Get A House Tested For Mold

Preventing mold and bacterial growth in the building's ventilation system Ventilation systems should be checked regularly, particularly for damp filters and overall cleanliness (1). A preventive maintenance plan should be put into place for each major component of the building's ventilation system. Contact your equipment supplier or manufacturer for recommended maintenance schedules and How To Get A House Tested For Mold operations and maintenance manuals. 

Components that are exposed to water (e.g., drainage pans, coils, cooling towers, and How To Get A House Tested For Mold humidifiers) require scrupulous maintenance to prevent microbial growth and the entry of undesired microorganisms or chemicals into the indoor air stream (8).Cleaning the building's air ducts Air duct cleaning generally refers to the cleaning of variousheating and cooling system components of forced air systems (13).

The components of these systems may become contaminated with mold if moisture is present within the system, How To Get A House Tested For Mold resulting in the potential release of mold spores throughout the building. All components of the system must be cleaned. Failure to clean a component of a contaminated system can result in re-contamination of the entire system. 

Water-damaged or contaminated porous materials in the ductwork How To Get A House Tested For Mold or other air handling system components should be removed and replaced (1, 8, 13). Ventilation system filters should be checked regularly to ensure that they are seated properly. Filters should be replaced on a routine schedule.Protecting building occupants during building renovations or remodeling

The best strategy is to isolate the building area(s) undergoing renovations from occupied areas. Isolating the renovated area(s)usually means erecting barriers made of either plywood or polyethylene sheeting. Supply and return ducts should be covered in the How To Get A House Tested For Mold area under renovation to prevent the spread of odors and construction dust. 

Air handling units serving areas under renovation shouldalso be turned off if they serve only the How To Get A House Tested For Mold area being renovated. Airhandling units that are being serviced as part of the renovationshould be locked out while they are being serviced. Ensure that therenovated area is under negative or neutral pressure in relation toadjacent occupied space. 

Evaluate work areas for potential harm toworkers and relocate occupants as needed; prevent contaminationfrom spreading to occupied areas.When undertaking renovations that break the integrity of thebuilding envelope, How To Get A House Tested For Mold such as roofing work, regular checks should bemade for water intrusions at the breaks in the envelope. 

Water damage and standing water should be cleaned up immediately. What to do if you suspect that your building has mold You should look for and eliminate the source of moisture problems in the building. As stated earlier in this document, moisture problems can have many sources, How To Get A House Tested For Mold including uncontrolled humidity,roof leaks, and landscaping or gutters that direct water into orunder the building. 

Unvented combustion appliances and standingwater following a flood are other sources. Also, How To Get A House Tested For Mold you should removeall visible mold. Visible mold on external surfaces, especially on the walls of a building, may be an indicator of more severe contamination beneath the surface. However, mold removal without also the correction of the underlying water/moisture problem would not be effective since the mold would just grow back. 

If a greater problem is suspected, or a moisture problem has resulted in extensive fungal growth, How To Get A House Tested For Mold an environmental investigation with emphasis on physical inspection is recommended (14). An experienced professional should be consulted to evaluate the situation and recommend or supervise the proper corrective action.

Selecting a qualified professional who can assist in providing a safe and How To Get A House Tested For Mold healthful work environment Occupational safety and health professionals are typically able to evaluate a building for mold, whereas occupational health care professionals are qualified to assess and treat illnesses and injuries. OSHA Publication 3160, The Occupational Health Professional's Services and Qualifications.

Questions and Answers, provides a thorough discussion of the roles of occupational health physicians,occupational health nurses, industrial hygienists, industrial engineers, safety professionals How To Get A House Tested For Mold and other occupational health professionals (15). This document is available at: 

Occupational physicians must have completed additional training in occupational medicine beyond the qualifications necessary for medical doctor or doctor of osteopathy licensure. Physicians may be certified in the field after meeting rigorous qualifying standards How To Get A House Tested For Mold and successfully completing the examination in occupational medicine given by the American Board of Preventive Medicine. 

The American College of Occupational and Environmental Medicine ( maintains a directory of some 6,000 physicians and other health professionals specializing in occupational and How To Get A House Tested For Mold environmental medicine. Your general practice physician may be able to refer you to a specialist from this list.

The American Industrial Hygiene Association ( the American Society of Safety Engineers ( lists of consulting firms for occupational safety and How To Get A House Tested For Mold health. Certified Industrial Hygienists (CIHs) and Certified Associate Industrial Hygienists (CAIHs) must have at least a bachelor's degree with a concentration in the sciences, have five years professional experience, and pass a rigorous certification examination. 

The American Board of Industrial Hygiene ( maintains a complete listing of all CIHs and CAIHs in good standing with the organization. Certified Safety Professionals (CSPs) also must meet academic requirements, How To Get A House Tested For Mold have at least four years of experience, and pass a rigorous certification examination. 

A roster of CSPs is maintained by How To Get A House Tested For Mold the Board of Certified Safety Professionals ( Both CIHs and CSPs are required to attend continuing education courses to stay current in their field of practice.Sampling for mold Where visible mold is present, cleanup can proceed on the basis of the visual inspection. 

Sampling for molds and other bioaerosolsis not usually necessary (1). There are currently no governmental or professional recommendations for airborne concentrations of mold, mold spores, mycotoxins, and other bioaerosols with which to compare any sampling results (16). However, How To Get A House Tested For Mold sampling for mold may be considered in the following situations:

When medical diagnosis is consistent with mold-associated illness;¦ To delimit the outer boundaries of severely contaminated areas before and during a mold cleanup project; and After a cleanup, to show that the types and How To Get A House Tested For Mold concentrations of mold in the area are similar to background levels (17).Sampling for mold, mold spores, mycotoxins, and otherbioaerosols are not part of a routine building evaluation.

Mold sampling strategies Sampling and analysis of mold are complex and can become expensive. There is a lack of standard procedures for sampling and How To Get A House Tested For Mold analysis (18). Sampling should be undertaken only after careful delineation of the sampling goals. For assistance with mold sampling, consult an experienced health and safety professional. 

Health and safety professionals, How To Get A House Tested For Mold working closely with an accredited environmental microbiology laboratory, can determine and document the details concerning the necessary sampling strategy,including when and where to sample. Standardized methods, suchas ACGIH, AIHA, NIOSH and OSHA methods, should be followedwhere available. 

Accredited laboratories that participate in theAIHA Environmental Microbiology Proficiency Analytical Testing(EMPAT) Program How To Get A House Tested For Mold are listed on the AIHA website at

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