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Sample Radon Test Report in NY

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  • Sample Radon Test Report in NY

    One of my friends who is an agent just got these results back on behalf of a buyer client. The property is based out of NYC in the suburbs and is a free standing house. Does anyone know how to interpret these results (address has been changed for privacy reasons)?

    RADON TEST REPORT

    Site Address: 125 Westchester Drive, Westchester County, NY 12423.

    Device Type: Continuous Radon Monitor, Protocol: EPA 402-R-92-004 & EPA 402-R-93-003.

    Device Serial Number: 15 Sun Nuclear #18928469.

    Exposure Period: July 10, 2018 @ 8:30 AM - July 13, 2018 @ 5:30 PM.

    Test Location: Rec. Room Basement.

    Test Results: 1.4 pCi/L. This result is below the EPA recommended action guideline of 4.0 pCi.L.

    EPA Protocols: This test is believed to conform to EPA testing protocols.

    Test Type: Preliminary Screening

    Current EPA guidelines set 4.0 pCi/L as a threshold for continuous residential exposure above which remedial action has been determined to be warranted. For further information please visit the EPA web site at: http://www.epa.gov/radon/realestate.html. Please review this information.

    This test has been performed within the guidelines of the EPA's testing protocols unless noted above. However, radon levels can fluctuate dramatically depending on weather, seasonal conditions, ventilation and other factors. In addition, while due diligence has been undertaken to ensure proper testing protocol, no testing done on property owned by a second party can be
    guaranteed by the tester to be free of tampering.

    If the above count(s) is 4.0 pCi/L or higher, we urge that these results be carefully analyzed and interpreted and suggest that further diagnostic testing may be appropriate before any remedial action is undertaken. If the above count(s) are below 4.0 pCi/L, the level is considered acceptable, however, further long term testing may be
    advisable if a confirmed annual average below 4.0 pCi/L is desired.

    Per the EPA's latest consumer brochure dated November 2006 "Home Buyer's and Seller's Guide to Radon", the EPA advises that, during a home sale, if a short term test with two passive devices or a single active device indicates a level of 4.0 pCi/L or greater, that the home be fixed to reduce radon concentrations. This document is available at http://www.epa.gov/iaq/radon/pubs/index.html

    Most homes can be brought to below the EPA's 4.0 pCi/L threshold with a "sub slab ventilation system". These systems dramatically lower radon levels and are guaranteed by reputable EPA approved contractors. Most sub-slab ventilation systems cost around $1,500 installed. The following notice is required by NYS law: If your radon levels are above 20.0 pCi/l, and you are a New York State resident, you are advised to call the New York State Department of Health, Bureau of Environmental Radiation Protection at 1-800-458-1158 for further technical advice and assistance.

    Estimated Uncertainty

    The Estimated Uncertainty for this result is 6.0%. The uncertainty is a statistic based on the device sensitivity, the radon level measured and the total test period. The estimated uncertainty for lower radon levels and shorter test periods is greater than when measuring higher levels for longer periods.

    DATA FROM RADON MONITOR

    Start Date : 7/10/2018
    Start Time : 8:30:00 AM
    End Date : 7/13/2018
    End Time : 5:30:00 PM
    Serial # : #13-2938111
    Location : Basement - Rec

    Signature:
    Data in pCi/l
    Time Interval 1 Hr

    2.1 0.7 2.1
    1.8 2.9 0.7
    1.8 0.3 1.8
    0.3 2.9 1.8
    1.8 1.4 0.7
    2.1 2.1 2.9
    2.9 1.8 1.8
    0.3 1.4 1.8
    1.0 2.5 1.8
    2.1 0.3 1.0
    1.8 2.5 1.0
    2.1 0.3 0.7
    0.7 1.0 1.4
    2.1 1.8 0.7
    1.0 0.7 2.5
    1.0 1.4 1.4
    1.4 2.5 1.4
    1.0 1.0 1.8
    1.0 1.8 1.4
    0.7 0.7 2.9
    1.0 1.0 2.5
    2.5 2.5 2.5
    0.3 3.2 1.4
    2.1 4.3 0.7
    0.7 1.0 2.1
    0.7 1.8 0.3
    0.0 0.3 1.0

    EPA Protocol Avg.= 1.4.

    Interpreting This Data: Radon levels are primarily determined by the amount of radon that is in the soil under the building and the air pressures that are present in the house. The amount of radon in the soil is relatively constant. However, the air pressure will vary with such factors as slight changes in wind speed or direction, and temperature. Therefore, the hourly radon levels that are recorded in this data will vary. The reported radon result is the average of these hourly readings. The EPA protocols require a two day (48 hour) minimum test period.

    Any "P" indicators that appear next to the hourly readings indicate power interruption at the monitor. Any "T" indicators that appear next to the hourly readings indicate movement at the monitor.
    "P" and "T" indicators commonly appear on test data and quite often do not have any bearing on the accuracy of the test. Any of these indicators that are present are evaluated prior to release of the report. If these conditions were deemed to have affected the test, they are discussed in the "EPA Protocol" section above.

  • #2
    Good data.

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