Mold ClearanceA mold clearance assessment should be made after mold remediation to show the mold remediator successfully cleaned up the mold. If so, a mold clearance letter is issued. Purpose of Mold Clearance
Confirmation of Conditions. Normally, the goal of mold clearance inspection is to show mold conditions that previous existed are no longer present. It can also be used to show mold levels are acceptable for most people. A mold clearance letter can be issued anytime mold clearance criteria are met.
Need for Mold Clearance Letter. If you ever intend to sell your
house after a mold incident, you're likely to need a mold clearance letter to show your
buyer. Landlords and property managers may need it to show current or future tenants.
The letter
should be provided by a certified mold inspector or industrial
hygienist. It can be obtained before reconstruction begins or
after it's complete. The choice depends on goals and
circumstances. Mold Clearance TestingInterim Clearance
Testing. Clearance testing can take place before
remodeling begins. It's preferred to do it before rebuilding so further
mold clean up can be done, if necessary. At a minimum, testing
needs to be done inside the work zone. We like to test on the
outside of the work zone too, largely to verify the protected areas
weren't contaminated further during mold clean up.
Post Clearance
Testing. Clearance testing can also occur after remodeling
is complete. It has the advantage of verifying mold levels are
acceptable in its finished condition, with heating air systems running,
and routine activities occurring.
Clearance Criteria. Before testing, Home InSight
verifies the moisture conditions have been addressed and the mold is
cleaned up. When satisfied, air sampling is done.
The goal is to determine if mold levels are acceptable. For
most molds, the indoor levels need to be lower than outdoors.
For some molds, there is more specific criteria because it shouldn't be
found in the air at all.
For clearance testing,
ideally the air scrubbers should have been turned off for at lest 24
hours. However, 2 hours is usually sufficient.
Mold Clearance LetterWhen clearance conditions are met, a
mold clearance letter is issued. Please understand that it's good
only for time mold clearance testing was performed. Our goal is to
confirm elevated mold conditions are gone and it's likely to stay that
way. When we're satisfied, we'll issue the clearance letter
without conditions. The letter shows potential home buyers, tenants, and others the house is
livable again. Mold Assessments | Mold Pros | Mold Prevention | Mold Removal
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