What does asbestos do to humans?

• <div><p>When asbestos fibers become airborne, they enter a person's respiratory system. These fibers scar and damage the lungs and often lead to serious cancers like mesothelioma. Like many dangers in the house, asbestos isn’t easy to see when it could be causing serious damage. The amount of time exposed, combined with the person’s tolerance for asbestos inhalation and the amount inhaled, will all contribute to health problems.</p></div>

How do you identify asbestos tiles?

• <div><p>If you can locate building records, you may be able simply to see what type of tiles (or bonding agent) was used. Any flooring made between 1950 and 1989 more than likely contains asbestos. <a href="https://www.angi.com/articles/how-to-tell-if-you-have-asbestos-floor-tile.htm">Asbestos tiles</a> can also be slightly thicker than other tiles and often measure 9” x 9”, 12” x 12”, and 18” x 18. Black mastic was a commonly used adhesive that contains asbestos.</p></div>

How do I prepare for asbestos testing?

• <div><p>Clear the area for access and inform the testing team about the building’s history and renovations.</p></div>

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*The Angi rating for Percolation Testing companies in Old Greenwich, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Percolation Testing needs.

*The HomeAdvisor rating for Percolation Testing companies in Old Greenwich, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Percolation Testing needs.

Last update on October 15, 2026

Reviewed in October 2026
Had tested positive for high levels of mold in my blood &amp; urine &amp; my dog was reacting to Aspergillus on an allergy test. Gary came &amp; checked my house &amp; said it was fine even though he saw a small patch of visible mold in the room where my HVAC unit is. I had...
Clawback, Inc.
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Reviewed in August 2026
The pro assigned to my home was very efficient and detailed, explaining all the testing he performed, and showing me the existing evidence of mold contamination on my AC in my bedroom. I was very pleased!
CONNECTICUT MOLD
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Reviewed in November 2022
Vernon responded immediately (in the evening) to the Home Advisor inquiry and he was available for lead paint testing and provided a report quickly for a city building permit. I hired him again for follow-up asbestos testing. I am thankful for his responsiveness (the permit process has been...
S & B Environmental, LLC
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Reviewed in August 2022
Louis is very thorough and gave us a very comprehensive report in a very timely fashion and was able to get the radon test results back quickly.
Advant Engineering, Inc.
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Reviewed in October 2021
Todd was friendly, efficient, and explained everything every step of the way and what my options were. Fairly priced and would highly recommend to anyone looking for mold testing or remediation.
Precise, LLC
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Reviewed in June 2021
This was the second time I used Compass to do a home inspection. I will continue using them for all my future inspections and radon tests.
Compass Property Inspections, LLC
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Reviewed in April 2020
Working with Tom Homola on our Radon Gas Test, asbestos exam, and overall mold inspection and indoor air quality test on our prospective house was an easy and enjoyable process. Tom took the time to go through everything with us in detail, and gave us honest opinions on the set up of the house....
BioClean, LLC
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Reviewed in September 2019
The work was good enough, and the report thorough, but -- For a small, 1600 sq-ft house, they did 7 mold samples, 3 tape lifts for pollen, one radon air test and a written report -- cost me $1600. A little homework after the fact made me realize it should've cost half that much. I was a newbie...
RTK Environmental Group
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Top-Rated Percolation testing pros in Old Greenwich - Updated Nov 2026

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Percolation Tests FAQs, answered by experts

Federal law doesn’t require homeowners to disclose the presence of asbestos in their home, but some states and local municipalities may require it. That is why it’s important to test an older home for asbestos and other health hazards before moving forward with a sale.

When asbestos fibers become airborne, they enter a person's respiratory system. These fibers scar and damage the lungs and often lead to serious cancers like mesothelioma. Like many dangers in the house, asbestos isn’t easy to see when it could be causing serious damage. The amount of time exposed, combined with the person’s tolerance for asbestos inhalation and the amount inhaled, will all contribute to health problems.

Services test for allergens, mold, VOCs, and carbon monoxide levels to ensure a healthy indoor environment.

If you can locate building records, you may be able simply to see what type of tiles (or bonding agent) was used. Any flooring made between 1950 and 1989 more than likely contains asbestos. Asbestos tiles can also be slightly thicker than other tiles and often measure 9” x 9”, 12” x 12”, and 18” x 18. Black mastic was a commonly used adhesive that contains asbestos.

Clear the area for access and inform the testing team about the building’s history and renovations.

The Old Greenwich, CT homeowners’ guide to percolation testing services

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