Responding to Indoor Mold Concerns: A Resource for Environmental Public Health Professionals
Appendix C: Inspection and Investigation Toolkit Items
INSTRUMENTS / EQUIPMENT
PURPOSE
PRICE RANGE
Moisture meter
Measures moisture content in building materials
$40–$100 mid-range grade
Infrared (thermal) camera
Detects temperature variations indicating hidden moisture, leaks, or water intrusion
$900–$3,000 professional grade
Hygrometer or humidity meter
Measures relative humidity
$10–$25 mid-range grade $15–$20 mid-range grade $15–$50 mid-range grade $50–$120 mid-range grade
Thermometer
Measures ambient temperature
Infrared thermometer
Measures surface temperature and can help detect condensation
Anemometer or airflow meter
Measures ventilation rates to identify areas with insufficient airflow
Flashlight and/or headlamp
Illuminates dark or confined spaces, such as attics, crawlspaces, and behind fixtures
$30–$60
Camera or smartphone
Captures images for reports, moisture mapping, and follow-up evaluations
$400–$800
Floor plan and building diagram
Identifies affected areas and supports moisture mapping and remediation efforts
N/A
Electronic data collection device (e.g., tablet)
Records measurements and observations
$350–$700
N95 respirator
Protects the respiratory system when in areas with visible mold or disturbed surfaces
$2–$4 each
Gloves (nitrile or rubber)
Protects skin and prevents irritation and allergic reactions during inspection or cleanup
$10–$18/box
Non-vented goggles
Protects eyes and prevents exposure to airborne mold spores and cleaning agents
$10–$25
Disposable coveralls with hood and boots
Prevents contamination of clothing during the inspection of heavily contaminated areas
$18–$20
Reference materials
Ensures readily accessible technical information and guidance, with many references and guidance documents readily available online at no cost
$100–$500 cost will vary
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