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Radon Inspection Report

Measurement Location

Test Result:

Overall Average

* The EPA protocol average discards the first four hours of the deployment
period. The official number to go with is the EPA protocol average.

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ANSI-AARST Compliances

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ANSI-AARST Compliances

Overall Average Radon Concentration

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ANSI-AARST Compliances

Conditions Observed During the Test(1/3)

Conditions Observed During the Test

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ANSI-AARST Compliances

Conditions Observed During the Test(2/3)

Conditions Observed During the Test

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ANSI-AARST Compliances

Conditions Observed During the Test(3/3)

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ANSI-AARST Compliances

Measurement Environments

test

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ANSI-AARST Compliances

Comment

Recommendations: (as per ANSI-AARST MAH)

Test result is 4.0 pCi/L or greater: YOUR RADON IS HIGH

FIX THE BUILDING. Test results indicate occupants may be exposed to radon concentrations that meet or exceed the EPA action level of 4 pCi/L or greater.
Efforts to reduce radon concentrations are not complete until a retest provides evidence of mitigation effectiveness.
- Complete a short-term test between 24 hours and 30 days after installation of a mitigation system.
- Retest every 2 years or install a continuous radon monitor to ensure the system remains effective.

Test result is between 2.0 and 4.0 pCi/L: YOUR RADON IS MODERATELY ELEVATED

CONSIDER FIXING THE BUILDING. Test results indicate radon levels greater than half the EPA action level.
The World Health Organization (WHO) recommends mitigation if levels are 2.7 (100 Bq/m³) or higher.
Continuously monitoring the radon, especially when the heating system is active both day and night is more likely to provide a clear characterization of potential radon hazards.

Test result is less than 2.0 pCi/L: YOUR RADON IS LOW

NO FURTHER ACTION REQUIRED AT THIS TIME. The average indoor radon level is estimated to be about 1.3 pCi/L; the normal outdoor air radon level is 0.4 pCi/L.
Radon levels in a building can fluctuate due to weather conditions and other factors, including renovations and alterations, or changes in the HVAC system. For this reason, EPA recommends retesting your home every 5 years and to remediate if levels become elevated.

Times to Retest:
Retest in conjunction with any sale of new or existing buildings. In addition, be certain to test again or continuously monitor when any of the following circumstances occur:

A ground contact area not previously tested is occupied, or a home is newly occupied.
Ventilation is significantly altered by extensive weatherization, changes to mechanical systems or comparable procedures.
A mitigation system is altered, modified, or repaired.
Significant openings to soil occur due to:

Groundwater or slab surface water control systems that are altered or added (e.g., sumps, perimeter drain tile, shower/tub retrofits, etc.).
Natural settlement causing major cracks to develop.
Earthquakes, construction blasting, or formation of sinkholes nearby.

ANSI-AARST MAH Recommendations

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Comments

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ANSI-AARST Compliances

State Radon Information

Report reviewed and certified by:

Company :

Name :

Certificate # :

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