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>

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Q: When was asbestos banned from pipe insulation?

• <div><p>The Environmental Protection Agency (EPA) banned the use of asbestos pipe insulation in certain applications in 1975. It released further bans in 1989 and 2019. While asbestos pipe insulation was common from the 1930s to 1970s, its use fell off after the 1970s due to public concern and the EPA's actions.</p></div>

Q: Does knob and tube wiring have asbestos?

• <div><p>Knob and tube wiring is an older type of electrical wiring that's no longer used and <a href="https://www.angi.com/articles/knob-and-tube-electrical-wiring-safe.htm">generally not considered safe</a>. However, some homes still have it, or may have a knob and tube wiring system that was incorrectly modified or rigged to work with a modern electrical system. Knob and tube wiring may contain asbestos insulation, but the only way to know is to have the material professionally tested.</p></div>

Q: How long does it take to get results from asbestos testing?

• <div><p>Testing and analysis take 10 days to 2 weeks. Expedited services are available for urgent situations typically requiring higher fees.</p></div>

Q: How long does it take to see test results?

• <div><p>A professional indoor air quality inspection takes anywhere from one to three hours, depending on the size of your home and the number of necessary samples. After the test, the specialist will discuss the findings, but you won&rsquo;t get a full written report for 2 to 10 days, though you can ask your pro to expedite the process, if needed. </p></div>

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Verified Reviews for Percolation Testing pros in Trenton, MO

*The Angi rating for Percolation Testing companies in Trenton, MO 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 Trenton, MO 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 May 04, 2026

Reviewed in May 2026
This was the only company out of the companies sent by Angi.com that responded. They were very timely in their response. Gave a lot of wise advise and were very knowledgeable. I purchased a different property out of the area, but I would highly recommend them.
McDowell Excavating, LLC
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Reviewed in November 2024
I bought a 110 year old farm house and Raymond came out to do a fireplace inspection before winter. The old fireplace had some major problems and so we decided to upgrade to a nice propane insert. Raymond got me a new propane fireplace insert and had it installed quickly so I would be set for...
Jamesport Stove and Chimney
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Reviewed in November 2024
Went great! Work was done quickly and satisfactorily
America's Best Construction
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Reviewed in July 2024
Does very professional and high quality work. He is efficient and is very good with communication and being open about pricing. Would definitely recommend to others.
McCullough Construction
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Reviewed in April 2024
Customer service was excellent and he did a real good job.
Grimes Concrete, LLC
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Reviewed in February 2023
Very efficient and tidy. The work area was taped off well and he was very informative about what the product would do for my home. He knows all of the answers to all my questions pertaining his product and how it will efficiently work for me. I live in an old house that is very drafty. This...
Evolution Sprayfoam, LLC
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Reviewed in August 2022
They did a great job. Would use again.
Willing Workers
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Reviewed in June 2022
I've been remodeling homes for years, and these guys have some of the best bathroom accessories around. High quality, and their prices are just right.
Perfect Choice Home Solutions
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Reviewed in February 2022
Both handymen were pleasant, informed me about the problems, the solution and promptly repaired the toilet. The cost was reasonable.
Handyvan
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Reviewed in December 2021
Both owners are hard workers and make sure they do it right for you. I think you'll be very happy with the work they do.
S & B Contracting
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Percolation Tests questions, answered by experts

The Environmental Protection Agency (EPA) banned the use of asbestos pipe insulation in certain applications in 1975. It released further bans in 1989 and 2019. While asbestos pipe insulation was common from the 1930s to 1970s, its use fell off after the 1970s due to public concern and the EPA's actions.

Knob and tube wiring is an older type of electrical wiring that's no longer used and generally not considered safe. However, some homes still have it, or may have a knob and tube wiring system that was incorrectly modified or rigged to work with a modern electrical system. Knob and tube wiring may contain asbestos insulation, but the only way to know is to have the material professionally tested.

Testing and analysis take 10 days to 2 weeks. Expedited services are available for urgent situations typically requiring higher fees.

A professional indoor air quality inspection takes anywhere from one to three hours, depending on the size of your home and the number of necessary samples. After the test, the specialist will discuss the findings, but you won’t get a full written report for 2 to 10 days, though you can ask your pro to expedite the process, if needed.

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.

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