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*The Angi rating for Percolation Testing companies in Shenandoah, LA 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 Shenandoah, LA 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 July 13, 2026

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Percolation Tests questions, answered by experts

DIY kits are available, but professional testing ensures accurate results and compliance with regulations.

If you own a stereo microscope, you should be able to see the fibers. The stereo microscope often can perform magnification up to 50x. But unless you have experience viewing asbestos fibers, you may not know exactly what you are seeing. Some fibers are curly, while others are long and straight. Blue, brown, white, and gray colored fibers are all possible.

Asbestos fibers can stay airborne for 48 to 72 hours, depending on the home's ventilation. Fibers can linger longer in enclosed spaces with poor airflow. Because the fibers are microscopic, they can easily remain suspended, making them difficult to detect without professional equipment.

Professional testing is advisable to ensure safety regulations are met, and accurate results are obtained using certified methods.

According to the National Cancer Institute, asbestos-related diseases can take anywhere from 10 to 40 years for symptoms to appear. The health risks increase with prolonged and heavier exposure. Risk factors also include:

  • Amount of exposure

  • Chemical makeup, size, and shape of the asbestos fibers

  • Length of time a person is exposed to asbestos

  • Genetic factors 

  • Source of exposure (direct exposure or secondhand exposure from someone directly exposed)

The Shenandoah, LA 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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