Top 10 Best Percolation testing pros in Orangevale, CA

Q: Does vermiculite insulation contain asbestos?

• <div><p>Vermiculite insulation that comes from a particular mine before 1990 is likely to contain asbestos. This is particularly true in the U.S. However, not all types of vermiculite insulation contain asbestos. Since you can't detect the presence of asbestos without special equipment, it's best to assume that the insulation contains the dangerous mineral and to either leave it alone or hire a professional to handle it.</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: Do home inspections check for asbestos?

• <div><p>Unfortunately, <a href="https://www.angi.com/articles/do-home-inspections-check-for-asbestos.htm">home inspections do not check for asbestos</a> because of the liability factor involved. That&rsquo;s why you should hire a trained professional with specialized equipment to test for it. </p><p>They will inspect all areas of the home and take samples of various materials to test. Opting for an asbestos inspection can prevent the risk of exposure to this hazardous material and save on costly repairs that may be required. </p></div>

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: Can you touch an asbestos roof?

• <div><p>It is strongly advised not to touch or disturb asbestos-containing materials unless necessary. Asbestos fibers can be released into the air when the material is damaged or disturbed, posing serious health risks if inhaled. It is best to leave any handling of asbestos to trained professionals who can remove the asbestos safely.</p></div>

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Verified Reviews for Percolation Testing pros in Orangevale, CA

*The Angi rating for Percolation Testing companies in Orangevale, CA 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 Orangevale, CA 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 February 19, 2026

Reviewed in February 2026
Mike was very helpful and professional. He came out same day and did a quick inspection for any apparent mold or water damage/leaks. Ultimately saved hundreds on further testing that wasn’t necessary. Appreciated his transparency and hospitality overall great experience would use again in the...
PuroClean of Rocklin
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Reviewed in January 2025
Yes. They were efficient, neat and so good about explaining all the processes and answering all my questions. Just had the testing done and it?s above standard!
Maverick Electrical Services, LLC
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Reviewed in June 2022
I was very happy to learn that Norcal was able to perform an asbestos test the same day that I called.
Norcal Environmental Management, Inc.
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Reviewed in October 2019
Barry brought over the pump and hose. I cleaned the bottom and sides as the pool drained. Then refilled the pool. Barry came over with all of the chemicals and said wait a week then have it tested. Went to Leslie's today with a water sample and don't need anything Price was $275. other...
Splash Pool Care
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Reviewed in October 2016
David was very professional and explained everything to me. The tests showed 4 different kids of molds, very high humidity levels and water damage in both bathrooms. Davids report gave me recommendations for what to fix as well as who to call for the repairs.
David Miller CRIE Certified-Environmental
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Reviewed in June 2015
Jack was professional and answered all my questions. He was able to perform a mold test when I was available which was very convenient for me. I would recommend
Superior Home Solutions
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Reviewed in June 2015
<p>The plumber and I'm assuming his apprentice showed up between the time they were slotted. They began their work by installing a water hammer and a new angle stop on the hallway bathroom. The water hammer was $172.00. I told him if he thinks it will solve the problem, go ahead and do it. ...
Ace Plumbing Heating & Air Conditioning
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Reviewed in April 2015
Carl was very knowledgeable and also personable. He came over immediately to perform the tests, sent it to the lab and we had the results 2 days later.
A1 Certified Environmental
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Reviewed in March 2014
Jason P, the plumber, showed up the first day to inspect the job-did a test to show the re-circulator (14 years old) was not working---needed a part that had to be ordered and returned to complete the job the next day-left the work area spotless, was very cordial and knowledgable--explained to...
Bonney Plumbing Heating Air & Rooter Service
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Percolation Tests questions, answered by experts

Vermiculite insulation that comes from a particular mine before 1990 is likely to contain asbestos. This is particularly true in the U.S. However, not all types of vermiculite insulation contain asbestos. Since you can't detect the presence of asbestos without special equipment, it's best to assume that the insulation contains the dangerous mineral and to either leave it alone or hire a professional to handle it.

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.

Unfortunately, home inspections do not check for asbestos because of the liability factor involved. That’s why you should hire a trained professional with specialized equipment to test for it.

They will inspect all areas of the home and take samples of various materials to test. Opting for an asbestos inspection can prevent the risk of exposure to this hazardous material and save on costly repairs that may be required.

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.

It is strongly advised not to touch or disturb asbestos-containing materials unless necessary. Asbestos fibers can be released into the air when the material is damaged or disturbed, posing serious health risks if inhaled. It is best to leave any handling of asbestos to trained professionals who can remove the asbestos safely.

The Orangevale, CA homeowners’ guide to percolation testing services

From average costs to expert advice, get all the answers you need to get your job done.

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