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Guide for interpreting reports from inspections/investigations of indoor mold
W Elliott Horner1, Charles Barnes, Rosa Codina
1Air Quality Sciences, Atlanta, GA, USA. ehorner@aqs.com
Abstract:
Inspections and testing of indoor environments for mold growth increased dramatically in the past decade. Allergists can now be presented copies of reports and laboratory data and asked to provide an interpretation, although allergists are seldom trained to review environmental data. There is no single sampling method that is both specific for mold growth and robust enough to reliably detect mold growth. There is no standard method for these inspections or testing and no widely recognized credential for investigators, and therefore reports also vary in quality, objectives, and thoroughness. Despite these issues, observations from informed inspections coupled with results from qualified analyses of samples that are collected with a useful strategy can usually indicate whether mold growth is present in a building, but the nature of the report should be assessed before any interpretation of the results and data are attempted. This rostrum discusses objectives of inspections, describes qualifications for investigators, outlines the limitations of various sampling methods applicable to mold and to some degree endotoxin, and provides guidance for data interpretation.
Insights
Interpreting indoor mold inspection reports requires careful assessment due to varied methods and investigator qualifications. Informed observations and strategic sampling aid in determining mold presence, but report quality is key.
Area of Science:
- Environmental Science
- Indoor Air Quality
- Mycology
Background:
- Increased demand for indoor environmental inspections for mold.
- Allergists often interpret mold reports without specific training in environmental data.
- Lack of standardized methods and investigator credentials leads to variable report quality.
Purpose of the Study:
- To discuss objectives of indoor mold inspections.
- To outline investigator qualifications and limitations of sampling methods.
- To provide guidance for interpreting mold inspection reports and laboratory data.
Main Methods:
- Review of existing inspection and testing methodologies for indoor mold.
- Analysis of limitations in specificity and robustness of current mold sampling techniques.
- Discussion on the strategic collection and analysis of environmental samples.
Main Results:
- No single sampling method reliably detects mold growth.
- Significant variability exists in inspection and testing methods and investigator qualifications.
- Informed inspections and qualified analyses can indicate mold presence, but report assessment is crucial.
Conclusions:
- Interpretation of indoor mold data requires critical evaluation of inspection strategies and report quality.
- Understanding the limitations of sampling methods is essential for accurate assessment.
- Guidance is provided for allergists and other professionals interpreting environmental mold data.
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