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Top-Rated Biohazard remediation specialists in Wall - Updated Nov 2026

Avatar for ALO Radon
ALO Radon
4.9(
29
)
Radon Gas - Abatement

Serving Wall, SD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I hired this company to do a radon test. Our house tested pretty high, even with a current mitigation system running. He gave me a timely and very reasonable estimate for a mitigation system."
Our Work
Our Work
Our Work
Our Work
Our Work

+13

Response time3 hrs
Response rate94%
Recommended by92%of homeowners
Avatar for Blackburn Foundation Repair, LLC
Blackburn Foundation Repair, LLC
4.6(
23
)
Radon Gas - Abatement

Serving Wall, SD and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"Excellent service! Pro was nice, easy to work with, professional! Never would have known he was here, he cleaned the working area so well! I would definitely recommend Blackburn Basement!!"
Crawl Space Repair
Crawl Space Repair
Response time1 day
85 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Moving APT - Long Distance Movers
Moving APT - Long Distance Movers
4.5(
282
)
Hazardous Waste Removal

Serving Wall, SD and surrounding areas

In business since 1999

Free estimates

Credit card accepted

"I used Moving APT for our relocation to Tampa and they did a very good job both on pick up and drop off. They handled everything with care and absolutely nothing was broken or scratched. I would recommend them."
Additional Photos
Additional Photos
Additional Photos
Recommended by88%of homeowners
Empire Home Inspections, LLC
New to Angi
Indoor Air Quality TestingMold & Toxic Material Test

Serving Wall, SD and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today! \n \n

Biohazard Remediation FAQs, answered by experts

Includes cleaning, removal of contaminated materials, and air filtration.

To neutralize mildew smell, you can use natural deodorizers like baking soda or activated charcoal. Baking soda absorbs odors; sprinkle it liberally on the affected area, let it sit for a few hours, then vacuum it up. Activated charcoal, available in pouches, works similarly. Vinegar, with its natural acidic properties, can also neutralize odors. Mix equal parts water and vinegar, spray the affected area lightly, then blot it with a dry cloth. Enzymatic cleaners are effective too, breaking down odor-causing compounds.

Mold in a furnace is frequently found on evaporator coils, filters, or within the ductwork. The mold appears in dark, fuzzy patches in either black, green, or white. You may also notice a musty odor. Green or white mold can be cleaned with DIY methods, but if you see black mold, call a professional. Black mold is toxic and harmful to your health.

Mold thrives in wet and humid conditions, and the bathroom can often be an ideal place for it to grow. If you are worried about mold, it's a good idea to hire a local mold inspector to inspect your bathroom. 

How you handle the mold depends on the extent of the issue. If it's on the caulk or other surface, a deep cleaning with mold-killing products such as vinegar or bleach may be sufficient. For a large infestation, you'll most likely need professional mold remediation.

No, not all black mold is toxic. Although people often refer to stachybotrys chartarum as toxic black mold, there is little evidence that any one type of black mold has more toxicity than another. People who have an allergy to black mold would be more likely to have a dangerous reaction after inhaling it. Long-term exposure to black mold spores can lead to severe infection and disease. Some people only have minor health problems after black mold exposure. Ultimately, toxicity is rare with any kind of mold, but it is possible, so always take the appropriate precautions.

The Wall, SD homeowners’ guide to biohazard remediation services

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