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Top-Rated Lead testing and removal specialists in Merrimack - Updated Nov 2026

Radon Systems LLC
5.0(
234
)
Toxic Lead - Testing

Serving Merrimack, NH and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"On a whim I decided to check our radon levels in our basement. I guess I assumed this would have been done by the previous homeowner. Apparently one should never assume. My test game back at 5.9 pCi/L. The acceptable level is 4. And I wasn't going to chance my family's health. So I did my research on radon mitigation and sent a quote request through Angi's platform. I received a phone call the owner, John Spokis within 30 minutes on the Friday before New Year's. He explained the entire process and provided me transparent pricing over the phone and in writing via email same day. He was able to schedule us that Monday after New Year's. The installer Derek called me an hour before arrival to let me know he was on his way. He arrived on time, explained the work that was to be performed, reviewed the location with me and made sure I approved of everything before he started. The installation itself took about two hours. This included patching some cracks we had in our concrete at no additional charge. Frankly, I wasn't terribly excited about having a big white fan unit and pipe installed along my house. But I also knew that this was the optimal solution for our needs. And Derek took the time to make it look as neat and clean as possible. I really couldn't have asked for an easier or more pleasant installation at a very fair price. Oh and they guarantee after install that your radon will be 2pCi/L or below. They even give you a kit to test and make sure it has been lowered. There is a lifetime warranty on parts and labor that is transferable if you sell your home. And the fan has a 5 year warranty. So, if you have unsafe radon levels in your home. Don't procrastinate like I did. Just call Radon Systems and get it done in two hours. You'll be glad you did. I am."
Recommended by99%of homeowners
Avatar for Mass Removal & Demolition
Mass Removal & Demolition
5.0(
3
)
Toxic Lead - AbatementToxic Lead - Testing

Serving Merrimack, NH and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"I contacted Anthony from the Craigslist ad for Mass Removal.  He returned my call promptly and came out to see the garage the following day.  After negotiating and agreeing on a very reasonable price within my budget, his crew came the next day to clean out the garage.  I followed up that evening and the garage had been cleaned out floor to the rafters and broom swept.  I was pretty amazed at how quickly and thoroughly the job was done.  I would hire them again in a second.  Excellent job!"
Full Clean-Outs
Junk Removal
Demolition Boston
Recommended by100%of homeowners
Avatar for Cicchetti Construction
Cicchetti Construction
4.6(
5
)
Toxic Lead - AbatementToxic Lead - Testing

Serving Merrimack, NH and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"Started out great, ended up BAD-- our favorite was when-a few months in and behind schedule-- Robert disappeared for a few days, and on return, told us that he had decided to drive to Florida, and made it to NJ before realizing it was a bad idea. Wait, no, it might have been when Robert tried to renegotiate contracted prices (NOT for extra/revised work) and asserted some crazy math that tacked on more than $15,000 due to that screwy math (and not the changing prices, etc.).
On the plus side, we loved one of the subs he hired (Ed, the MA licensed Construction Supervisor from E & H Construction in JP), and we began working with Ed after Robert finished his contract (late, with shoddier work as time went on).  Robert's contract included a warranty, but Robert never returned my calls when I started to see cracks in some of his cement-work (which he poured on one of the 10-degree days in January 2013, despite my concerns).
"
Recommended by66%of homeowners
Lead Testing and Removal FAQs, answered by experts

While not all homes built before 1978 contain lead paint, enough do, so you’ll still want to test to be on the safe side. The federal government banned lead-based paint for homes in 1978, but your state may have banned lead before that time. Around 24% of homes built between 1960 and 1977 contained lead-based paint, while 87% of homes built before 1940 contained lead-based paint.

Unfortunately, lead dust does not look different from any other type of dust. You cannot detect it with the naked eye. To determine if you have lead dust in your home, you will need to hire a local company to take a sample from the paint and test it for you in a lab.

According to the EPA, there is no safe level of lead in the blood, and so the maximum contaminant level goal (MCLG) for lead in water is zero. Even at low levels, lead is harmful to human health. It can also remain in the body and build up over time with repeated exposure.

If the lead paint is in a place that is not easily disturbed and is not flaking or deteriorating, you do not necessarily need to remove it. Lead is toxic when dust particles or flakes from peeling lead paint are ingested. If people are not in the area with the lead paint, it may be safe to leave it in place. You still may want to consider encapsulation with a paint formulated for covering lead-based paint, just for an added layer of protection.

Lead paint test kits are not always accurate. Several factors can play into why a test kit provides an inaccurate result such as user error, sample viability, the age and condition of the paint, or difficulty interpreting the final result. If you are looking for 100% accuracy, hiring a professional lead paint test is the only way to get that piece of mind.

The Merrimack, NH homeowners’ guide to lead testing and removal services

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