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Avatar for Blackburn Foundation Repair, LLC

Blackburn Foundation Repair, LLC

4.64(
21
)
•Approved Pro

Blackburn Foundation Repair, LLC

4.64(
21
)
•Approved Pro
Customers say: Quality work
87 local quotes requested
33 years of experience

Blackburn Basement Systems has been providing the best in basement waterproofing, crawl space and foundation repair, concrete leveling, and radon mitigation in South Dakota, and Eastern Wy, since 1992. We offer a variety of solutions for the multitude of issues that result from below grade construction throughout South Dakota. Thousands of homes, businesses and government agencies have been serviced by our trained professional installers throughout South Dakota, and Eastern Wy. We are proud to say we have 500 reviews with 4.8 stars!

"Went through them for wall braces which the job was horrible. Then the final price was 3000 more then what my quote was. I do not recommend them for a first choice. "

Matt W on November 2025

Blackburn Basement Systems has been providing the best in basement waterproofing, crawl space and foundation repair, concrete leveling, and radon mitigation in South Dakota, and Eastern Wy, since 1992. We offer a variety of solutions for the multitude of issues that result from below grade construction throughout South Dakota. Thousands of homes, businesses and government agencies have been serviced by our trained professional installers throughout South Dakota, and Eastern Wy. We are proud to say we have 500 reviews with 4.8 stars!

"Went through them for wall braces which the job was horrible. Then the final price was 3000 more then what my quote was. I do not recommend them for a first choice. "

Matt W on November 2025

Avatar for Environmental Air Solutions, Inc.

Environmental Air Solutions, Inc.

4.00(
4
)

Environmental Air Solutions, Inc.

4.00(
4
)
Customers say: Quick response
17 years of experience

We offer a wide range of dependable services, such as air testing and mold control. With experienced and professional air quality consultants, you can count on us to make the air you breathe healthier and safer.

We offer a wide range of dependable services, such as air testing and mold control. With experienced and professional air quality consultants, you can count on us to make the air you breathe healthier and safer.

Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

Radon Detection and Reduction questions, answered by experts

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

You can buy DIY radon test kits from a home improvement store and conduct radon testing, but these tests are often inaccurate. No matter the result, you should supplement DIY testing with professional radon detection and analysis. DIYers only have access to passive radon tests, which aren’t as reliable as active tests that professionals use. Plus, it’s very easy for DIYers to make mistakes during testing, leading to inaccurate results. If you’re moving into a new home, have concerns about radon, or are due for an updated test, hire a professional. 

Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.

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. 

In most states, radon testing companies don’t need to be licensed or certified by the state, but the companies that analyze the test results and develop radon mitigation protocols do. You should choose a radon testing company that suits your needs, but before hiring a mitigation specialist, check our state licensing tool to make sure the company is properly certified.

The Arlington, SD homeowners’ guide to radon detection and reduction services

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

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