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Springfield, MA Radon Mitigation
Springfield, MA 01089

Massachusetts Radon Mitigation / System Design / Residential / Commercial

Serving all Western Massachusetts including
Hampden, Hampshire, Franklin, Berkshire and Worcester Counties

Mass RADON provides System Design and Radon Mitigation Services in homes and commercial buildings.

Protect your family now!

Testing your home for Radon is a smart choice today and fixing Radon issues is simply the right thing to do for you and your family.
View the EPA's Radon Map for Massachusetts and the severity of the problem. If your considering purchasing a home, it is common sense to have it tested for Radon. With Mass RADON you can expect no less than full professionalism, education, competence, credentials, knowledge, and courtesy.

A Radon test is simple and fast, completed in 48 hours with results available within a few days. A radon system evaluation and price quote takes about 15 – 30 minutes and most system installations are completed in about 3-4 hours.

Please take the time to look through our web site. We've included a wealth of information which will help you better understand the dangers of Radon, Radon Facts and helpful free resources. We hope this information will be useful to you.

Mass RADON is your local Radon System Design and Mitigation Company. Dedicated to serving Western & Central Massachusetts with experienced Radon Mitigation Technology. Mass RADON uses only the latest in Radon Reduction techniques installed quickly and professionally to insure that the air you breathe and the water you drink is safe for you and your family.

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Who We Are

Serving Western and Central Massachusetts

John Dicken is certified as a professional Radon Mitigator: NRPP certification #109151 and a member in good standing of AARST and is listed with the Massachusetts Board of Health, Radon Control Program.

"I am committed to giving the residents of western Massachusetts the very best service available and delivering it with professionalism and courtesy".

MassRadon is committed to ease the worry of your home buying experience by using the latest in Radon Mitigation Technology. MassRADON provides full range Radon Mitigation Services, including radon in air and water mitigation systems.

Radon in your homes air is usually found during a real estate transaction. The prospective buyers often test for radon gas at the time of their home inspection. The USEPA recommends that homes with levels above 4.0 pCi/l be mitigated. Elevated radon levels is not a reason not to purchase a home that you like. Radon mitigation is a 1 day repair and is very reasonably priced. Radon levels after mitigation are guaranteed to be below the EPA recommendations. The radon fan carries a 5 year guarantee.

Many times the post mitigation result are less than 1.0 pCi/l. If your home has already been tested, call MassRADON today at: 413-737-0272. We also provide a free system evaluation and cost proposal if your results are high.

A Mitigation Professional from MassRADON is available to speak with your group, first time homebuyers program, and Realtor's Office, to discuss Radon Gas, testing procedures and mitigation techniques. Contact us for more information.

John Doe

Mass RADON         

Hire a AARST-NRPP Certified Radon Professional Mitigator

Call for FREE information Today!   413-737-0272

Radon Blog

About Radon
by John Dicken


What is radon gas anyway? Radon gas is a decay product of uranium. Uranium is a naturally occurring element found on planet Earth. Typically it is found deep underground in the bedrock and can run in "veins". Uranium, like most radioactive elements, goes through a decay process where it breaks down over time and gives off, or becomes something else that is also radioactive. In the case of uranium it decays into another element called radium. Radium also decays and it breaks down into RADON GAS. Radon, because it is a gas, moves easily through cracks in the earth and can travel underground with other soil gases and it can also find its way into underground water, springs etc. That's how it gets in your well water. As it moves underground it works its way to the surface of the earth and naturally vents itself into the atmosphere.

When you build a house on top of the earth, a foundation is dug and a concrete floor is poured. The radon that was venting itself out of the earth in that particular spot, is still trying to do so, only now it gets caught under the foundation and builds up in pressure until it forces its way into the basement through cracks, gaps in the concrete floor/wall joint sumps, and any other opening in the concrete to the earth below. Once it's in the house, it attaches itself to dust particles and travels around your house where you breath it in. Once it is in your lungs, radon like the other radioactive elements, breaks down again and gives off what is known as radon daughters. These radon daughters give off a small burst of energy when they are born and that energy can damage cells in the lungs which can in turn, become a cancerous cell.

So we can see why it is something that you would want to reduce in your home and the lower the amount, the less of everything else that occurs. So there it is, a quick not too scientific explanation of radon, next installment, testing for it.

Radon in the well water creates the same problems as radon in the air. Waterborne radon is released into the air at its point of use which is usually on the living floor. Once its released into the air you breath it in and the results are the same as airborne radon.

There are some concerns about drinking well water with elevated radon levels causing stomach cancer, but the results seem to be inconclusive about the amount of water and radon is required, breathing it in is the major concern. Remember, radon gas causes over 22,000 deaths a year making it the leading cause of lung cancer in non smokers and the 2nd leading cause overall.


Let's talk about airborne radon testing since it is the first step in determining if there is, in fact a radon problem. Lets preface this by stating that radon gas is EVERYWHERE, It is in the air we breathe even in our back yard and it is definitely in every house on the planet, even with a radon system. So anyone making a statement like "there is no radon here" or "this house does not have radon" or "there is no radon in this part of town", is fooling themselves and whoever they are telling that to. The fact is there is radon everywhere and the real question is, how much radon is here? Radon testing is the only way to know what your house has for radon levels. It does not matter what your neighbor has, or anyone else on your street for that matter, every house is different. Unsafe levels of radon can be found in only one house on a given street while all the other homes may test as safe, or they may all test as unsafe except for one house on the street.

Now testing comes in several forms. The EPA recommends what is known as long term testing. Long term testing should be done whenever possible because it will give the most accurate results regarding your average indoor radon levels. Long term testing can last 3 months to a year and it should be done covering two or more seasons. Nothing special needs to be done to the house and normal living conditions should be maintained, no need to close up the house or worry about the weather, it designed to determine levels of radon under normal everyday life. This is the type of test you would want to use in a house that is NOT for sale at the time of testing.

Short term testing is the one REALTORS want to be using or have done. Short term testing was designed for a quick idea on if a home might have an elevated radon level and there is not enough time for long term testing. Short term testing should be conducted for typically 48 to 72 hours. ANY method of testing should always be done for a minimum of 48 hours, and under "normal" weather conditions. Normal conditions are just what you would think it is, 2-3 inches of rain in a 24 hr. period and high wind conditions are NOT normal and this weather will severely impact your short term testing results and not in a good way. Severe weather will raise indoor radon levels substantially during the severe weather event and they will return to their more regular readings as that weather passes. Some home are mistakenly diagnosed as a high radon level home because of testing in the wrong weather conditions. Remember this is a test that averages the readings over a 48 hour period, so if you have a home that is normally say a 3.0 pCi/l and day 2 of the test has a heavy downpour of rain and high winds, the radon on that day may reach 9.0 or higher. That would end up with a test result of 6.0 indicating an elevated radon problem, however that 9.0 was only a temporary reading and quickly dropped to around the 3.0 mark as the weather passes. So weather can play an important part in test results.

Location, Location, Location, applies to radon testing also. In addition to the weather concerns, where the testing is done is also a big issue. Many home inspectors who conduct radon testing are not certified testers and there are not many certified testers around. Certified testers know the when's and where's about testing. Most non certified testers believe that testing in the basement is always the best place to test. In many cases it is the right place, but not always by a long shot.
The EPA states that radon testing should be conducted in the lowest level of a home that is suitable to be used as a living space without major renovations.
That means that most basements that have intact concrete or block walls and a concrete floor and are mostly dry and could be used as an exercise space, family room, workshop etc, would be the right place to test. A basement in an old house with crumbling stone walls or a dirt floor, missing concrete floor sections, or low ceilings and very damp conditions would not be the preferred location for testing because it is not suitable to be used for just about anything because of its condition. In this case the 1st floor living space would be the preferred place to test since nobody will spending any time in this basement without major renovations to make it habitable, like pouring a concrete floor, sealing the floor to the walls etc. I once heard of a home inspector who thought testing in a crawl space would be a good place to test, who lives in a crawl space? I like to think of it as "test where you breath". Now just because the seller does not use his clean, dry, concrete basement does not mean that the buyers won't use it. The reasoning behind this "rule" of testing is because the cost of mitigation for this home with the undesirable basement can be very costly, so now your typical $1300.00 radon system may need several thousand dollars of work before it can be mitigated. It may need the basement dug out, stone installed and a new floor poured, or perhaps it will need a costly HRV (Heat Recovery Ventilator) system to reduce the levels. Next installment: Testing Radon in the well water.


Radon in the well water? Yes it can be a source of radon in your home. Some good news is that there is no direct correlation between airborne radon levels and well water levels, so that means that just because you have elevated airborne readings, you won't necessarily have elevated waterborne levels. The USEPA recommends that well water be tested whenever a airborne radon test exceeds the limits, currently 4.0 as set by the USEPA.

Testing for waterborne radon is a very specific test and is not included in your typical water quality analysis. The sample must be drawn in a specific way or you risk losing radon and thus a lower then true reading and the sample gets sent to a completely different lab that the one where your water quality test is being sent. Even if the lab that you are using claims they do radon in water testing, they also send that sample to a certified radon testing lab. Beware of the instructions that water testing labs give, I have heard them tell clients to simply "fill a jar with water and bring it in". That couldn't be any more incorrect. I will be glad to email you the proper instructions on how to draw a radon in water test sample if you contact me. The following is the proper procedure for drawing a radon in water test sample.

Step 1: Prepare to collect your sample

Radon in water testing is performed by collecting a sample of your water. The goal is to collect fresh, cold water straight from your water source or well.

If you have any faucet aerators, or filters, please bypass or remove these devices from the faucet you are going to use as they will remove radon from the water and skew your test result.

Allow the cold water to run for a minimum of 10 -15 min. until any holding tanks and pipes are cleared and fresh water straight from your source is running through.

Step 2: Collect your sample

You need to collect a sample of water in the vial with no air bubbles or headspace. The vial should be 100% filled with water.

To do this, remove any faucet aerator that may be installed and slowly fill a bowl or deep pan, insuring that no bubbles are created while filling the bowl, disturbing the water as little as possible.

Submerge the vial open side up until it has filled. The vial should not contain any preservatives or hazardous chemicals.

Step 3: Ship your sample to the lab

Complete all information on the enclosed test information sheet.

On a separate piece of paper that you will keep for your records, please record the test serial number, collection date, and date you shipped the sample to the lab.

While still holding the vial underwater, submerge the cap and remove air from it by turning the cap upside down. Screw the cap on the vial while both are still submerged. This should eliminate any air bubbles.

Remove the vial from the water and check for air bubbles by flipping it upside down, if any air bubbles are seen, empty the vial and fill it again.

Immediately ship your sample

in the provided packaging to the lab. A delay in shipment could invalidate your test.

As you can see, it is a specific method of sampling and care must be used in order to insure that you are not throwing away your money and that you are getting the most accurate results that you can. Unfortunately finding a radon pro who does radon testing is getting more difficult to find so radon in water testing my end up falling on you or possibly the realtor.

The results. Well there is no cut and dry number for radon in water levels as there is with airborne radon. These "safe" levels vary depending on which State you are in. Massachusetts, which does not regulate radon testing has a limit for waterborne radon that is in place for municipal water supplies such as reservoirs, lakes, town wells etc. They do not regulate private water supplies like your homes own well. We use the same limit in Mass. as is used for municipal water supplies and that is currently 10,000 pCi/l since there are no set limits for private wells. Now if you live in some other States, like Maine, Connecticut and others the limits for waterborne radon can be between 2,000 and 5,000 pCi/l.

There is a ratio between airborne and waterborne radon and that is, for every 10,000 pCi/l that is present in your well water, it will add 1.0 pCi/l to you airborne reading and it will add it to the air on the floor of the house where the most water is used. Washing machines, dishwashers, showers etc or anything that agitates or aerates the water will cause it to release from the water and become airborne which you will then breath in.

Next installment will begin to cover mitigation, or the methods for removing radon from your home.

more to come...

What is Radon?

Radon comes from the natural breakdown of uranium in soil, rock and water.

The release of this radioactive gas enters the air you breathe, causing a potential health risk to you and your family.

Radon gas can be found in just about anywhere. It can get into any type of building -- homes, offices, and schools -- and build up to high levels.

What you should know about Radon

Radon is a cancer causing radioactive gas.
You cannot see radon and you cannot smell it or taste it, but it may be a problem in your home. This is because when you breathe air-containing radon, you increase your risk of getting lung cancer. In fact, the Surgeon General has warned that radon is the second leading cause of lung cancer.

You should test for radon.
Testing is the only way to find out about your home's radon level. The EPA and the Surgeon General recommend testing of all homes below the third floor for radon.

You can fix a radon problem.
If you find that you have high radon levels, there are ways to fix a radon problem. Even very high levels can be reduced to acceptable levels.

If you are buying a home.
The EPA recommends that you obtain the radon level in the home you are considering buying. An EPA publication "The Home Buyer's and Seller's Guide" is available through most State Health Departments or Regional EPA offices listed in your local phone book. EPA also recommends that you use a certified or state licensed radon tester to perform the test. If elevated levels are found it is recommended that these levels be reduced. In most cases, a professional can accomplish this at reasonable cost or homeowner installed mitigation system that adheres to the EPA's approved methods for reduction of radon in a residential structure.

What are the Risk Factors?

The EPA, Surgeon General and The Center for Disease Control, have all agreed that continued exposure to Radon gas can cause lung cancer.

In fact, there position on the matter is that all homes should be tested for radon gas exposure, and all homes testing over 4 pCi/L should be fixed.

How Does Radon Enter the Home?

Typically the air pressure inside your home is lower than the pressure in the soil around your home's foundation.

Due to this difference, your house acts like a vacuum, drawing radon gas in through foundation cracks and other openings of your home.

Radon may also be present in well water and can be released into the air in your home when water is used for showering and other household uses.

Potential Entry Points:

1. Cavities inside walls
2. Cracks in solid floors
3. Construction joints
4. Cracks in walls
5. The water supply
6. Gaps in suspended floors
7. Gaps around service pipes


Spotlight: All About Radon
Home Buyers/Sellers/Owners

It seems as if there are constant alerts warning us of yet another health hazard. Is radon really a risk to your family's health? Should elevated radon levels be reduced to protect your family and your investment? According to the US Environmental Protection Agency (USEPA) and a number of scientific studies, the answer to both questions is yes. For more details on radon, see Radon Information.

Why test for radon?

Protect your potential sale. By obtaining advance knowledge of your home's radon levels, you avoid surprises. You can rest easy if radon is below the USEPA's recommended action level (below 4.0 picocuries per liter). You can choose to take action if the radon is above the USEPA action level, thereby eliminating radon as an issue during the sale of your home.

Protect your family. Elevated levels of radon in a home have been determined to be a major health hazard. However, radon can easily be treated by a qualified radon professional with proper radon insurance coverage and transferable guarantees.

Protect your investment. For most of us, our homes are our biggest investments. Just as maintenance and improvements protect the value of our home, so does the elimination of radon. Replacing an old, leaky roof adds value to your home. Putting in a radon reduction system, installed and guaranteed by Aaron Associates also adds value. In fact, many builders have found that it makes sense to have a radon system installed during construction.

If you have already tested for radon and the level is above 4.0 picocuries per liter and/or your waterborne radon level is above 4,000 pCi/L, contact us to schedule a free evaluation and cost proposal of a Radon Mitigation System.

Mitigation Techniques

Mass Radon Technologies installs Active Soil Depressurization systems, which are the only systems approved by the USEPA for radon reduction.

System locations used to reduce radon vary depending on the construction of the home.

This technique prevents radon from entering your home.

For example, soil suction prevents radon from entering your home by drawing radon from below the house and venting it through a pipe to the air above the house where it is quickly diluted.

Mitigation to an existing home usually costs between between $900 and $1400, with an average of about $1,200.

For more information on mitigation techniques used, consult EPA's Consumer's Guide to Radon Reduction

Most radon systems are installed in under 4 hours with a minimum of disruption and are operational the same day.

What is the Average Level of Radon Found in a Home?

Based on a national residential radon survey completed in 1991, the average indoor radon level is 1.3 picocuries per liter (pCi/L) in the United States. The average outdoor level is about 0.4 pCi/L.

In Western Massachusetts radon levels have been found to be in the 80s pCi/L in some homes, most of the homes that we are called on run between 5 and 15 pCi/L before mitigation.

What's the Debate on Radon?

There is no debate about radon being a lung carcinogen in humans. All major national and international organizations that have examined the health risks of radon agree that it is a lung carcinogen. The scientific community continues to conduct research to refine our understanding of the precise number of deaths attributable to radon. The National Academy of Sciences BEIR VI Report has estimated that radon causes about 15,000 to 22,000 lung cancer deaths annually based on their two-preferred models.

A few scientists have questioned whether low radon levels, such as those found in residences, increase the risk of lung cancer because some small studies of radon and lung cancer in residences have produced varied results. Some have shown a relationship between radon and lung cancer, some have not. However, the national and international scientific communities are in agreement that all of these residential studies have been too small to provide conclusive information about radon health risks. Major scientific organizations continue to believe that approximately 12% of lung cancers annually in the United States are attributable to radon.

How do we know radon is a carcinogen?

The World Health Organization (WHO), the National Academy of Sciences, the US Department of Health and Human Services, as well as EPA, have classified radon as a known human carcinogen, because of the wealth of biological and epidemiological evidence and data showing the connection between exposure to radon and lung cancer in humans.
There have been many studies conducted by many different organizations in many nations around the world to examine the relationship of radon exposure and human lung cancer. The largest and most recent of these was an international study, led by the National Cancer Institute (NCI), which examined the data on 68,000 underground miners who were exposed to a wide range of radon levels. The studies of miners are very useful because the subjects are humans, not rats, as in many cancer research studies. These miners are dying of lung cancer at 5 times the rate expected for the general population. Over many years scientists around the world have conducted exhaustive research to verify the cause-effect relationship between radon exposure and the observed increased lung cancer deaths in these miners and to eliminate other possible causes.

In addition, there is an overlap between radon exposures received by miners who got lung cancer and the exposures people would receive over their lifetime in a home at EPA's action level of 4 pCi/L, i.e., there are no large extrapolations involved in estimating radon risks in homes.

Important Radon Links
NRPP check my certification Consumers Guide to Radon Reduction AARST Mass. DPH Radon Fact Sheet A Citizens Guide to Radon

John Doe

Mass RADON         

Hire a AARST-NRPP Certified Radon Professional Mitigator

Call for FREE information Today!   413-737-0272

Typical Radon Mitigation Install

Serving Western and Central Massachusetts

Frequently Asked Questions

Q. How much does a radon mitigation system cost?

A. Systems will range in price from a simple installation to a complex installation. There is no set given price for every home or property since the majority of them are unique! Mass Radon prefers to visit the property for a quick and free evaluation before giving a quote. By doing this, we can give you a more accurate quote for what it will cost instead of just a guesstimate over the phone like other companies do. Phone quotes that are given out from other companies are typically for a basic installation and could or will carry extra charges for anything else. How could they know ALL of the potential issues without visiting the property? Wouldn't you prefer to know what those charges are going to be up front, before you sign a contract and have someone there to do the work?

Always compare Apples to Apples on quotes from different companies.

Mass Radon will include electric power to the radon fan by a LICENSED electrician. It is illegal for a “radon guy” to wire the radon fan! This can easily be verified by any town’s wiring inspector. Ask any other companies providing you a quote “who is doing the electric power?” What they probably will not tell you is, you should hire an electrician to bring it up to code. You as the homeowner are responsible! Consider this additional expense when comparing quotes or estimates.

Q. Do radon mitigation system installers typically provide a written contract before the job begins?

A. YES Mass Radon will provide a written contract before any work begins. This allows the customer a chance to review it and know exactly what’s included with the system to be installed. Mass Radon doesn’t fool around with phony discounts and/or hiding potential extra charges in the fine print. Mass Radon will also include a copy of our insurance with every quote so there’s no need to ask for it.

As per Massachusetts code, All contractors, partnerships, and corporations that solicit, bid on, or perform residential contracting as a contractor or subcontractor on an existing one to four unit owner occupied residential property in Massachusetts must be registered as a Home Improvement Contractor (HIC).

Q. How accurate are do-it-yourself (DIY) radon test kits?

A. DIY kits are accurate to a degree but a professional continuous monitor machine which has been regularly calibrated and used by a professional certified tester is the most accurate.

Q. How long does it take to get the results of a radon test?

A. DIY kits need to be placed and activated for a minimum of 48 hours, (48-96 hour exposure time) then sent to a lab to be analyzed, the results are typically emailed back, posted online or sent back in the mail. Typically 3-7 days from beginning the test, but it must be mailed quickly. Mass Radon provides a prepaid mailer for every post mitigation test to make it quick and simple. Some companies will just provide the test kit. Mass Radon does not do any testing in order to avoid any conflicts of interest.

DIY kits need to be placed and activated for a minimum of 48 hours, (48-96 hour exposure time) then sent to a lab to be analyzed, the results are typically emailed back, posted online or sent back in the mail. Typically 3-7 days from beginning the test, but it must be mailed quickly. Mass Radon provides a prepaid mailer for every post mitigation test to make it quick and simple. Some companies will just provide the test kit. Mass Radon does not do any testing in order to avoid any conflicts of interest.

A professional certified tester using a continuous monitor should be able to provide the results immediately after testing is completed.

Q. Will sealing all cracks and holes in my basement floor and walls help to reduce radon levels?

A. Sealing alone will not typically work. We have tried this on marginal properties in the 3.5 - 4.3 pCi/L range because of customer’s requests and it has never been successful. BUT, sealing the cracks and holes are part of a successful radon mitigation system. Mass Radon will seal as much as we have access to, unlike some others which will only seal up to 10ft away from the suction point. Why leave ANYTHING “on the table”?

Q. When do I need to take action about radon levels in my home?

A. The EPA suggests taking action to mitigate at 4.0 pCi/L and recommends it at 2.0 pCi/L and above. Actually any elevated reading after testing at or above 1.5 pCi/L should warrant concern as levels fluctuate throughout the day and especially change when there are colder tempetures outside.

Q. How long does it typically take to install a typical radon mitigation system?

A. Mass Radon routinely completes installations within 2-4 hours on residential properties. The total amount of time will certainly depend on the property being installed, conditions, options and/or preferences of the owner.

Mass Radon can also give you a fairly accurate estimate on how long it will take because we actually evaluated the property during the quote process. Every house is unique and so are the preferences of the customers we work with. Some installations are simple and direct while others can be more involved and more complex.

Q. Is a home inspector allowed to perform a radon inspection?

A. Many home inspectors are certified to do radon testing but many are not. It is recommended to use a certified radon tester since they will have the education to do it properly.

Q. Newer homes are less likely to have high concentrations of radon.

A. False, The age of the home will have nothing to do with concentrations of radon! Although many new homes are constructed using RRNC (Radon Resistant New Construction) protocols, this does not equal every new home will have lower concentrations. If done properly, these protocols are designed to reduce concentrations of radon in the home. The home should still be tested.

Q. Radon is only a problem in certain regions of the United States.

A. False, This is just plain False!

Q. Should my water be tested for radon?

A. Yes, Private well water should be properly tested for radon.

Q. How long should a typical radon mitigation system fan last?

A. The key word in this question is TYPICAL. Mass Radon has many radon fans in service today which are over 10 years old and going strong.
The industry standard is a manufacturer warranty of 5 years.

Q. When is the best time of year to perform radon testing?

A. Typically testing in winter will show a higher test result. It's also much easier to keep the closed house conditions which are part of an accurate air radon test. But, the most accurate test is a long term test which lasts 90+ days. The longer test will give a more accurate AVERAGE level under normal living conditions in the property.

Q. If my neighbor has high levels of radon, does that mean I do too?

A. The only way to know for sure is to test! You could be the only house in the neighborhood without radon, even if the majority of others have tested high. On the other hand, you could also be the only one on your block which tests high.

Q. If my home was built "radon resistant" do I still need to test for radon?

A. Yes, EVERY home should be tested. Including properties with mitigation systems installed.

Q. Am I legally required to test for radon gas before putting my home on the market?

A. MA is an unregulated state when it comes to radon. In MA you are not required by law to test before putting a home on the market. It is recommended since the majority of buyers will have it tested before purchasing. Higher levels could potentially block the deal.

Q. Is it necessary to close all of my home's windows to get an accurate radon reading?

A. This depends on the property. A professional certified radon tester will evaluate the home for proper testing protocol. Follow the directions provided with any DIY test kit.

Q. How often should I test for radon levels in my home?

A. It is recommended to test at least every 2 years.

Q. Do I need to resolve a radon problem before putting my house on the market?

A. In MA it is not necessary. But, some potential buyers may not have the knowledge or awareness that high radon levels can be mitigated and the systems work. It could be better to know in advance rather than dealing with it when time becomes a factor. Your real estate agent can advise you on this.

Q. Are homeowners required to test for radon before putting their house on the market?

A. It is not required in MA.

Q. Are landlords legally required to test their rental properties for radon?

A. It is not a legal requirement in MA. Other states may have different requirements concerning this. Tenants can test the property on their own.

Q. Do radon levels fluctuate throughout the year?

A. Yes, they will fluctuate all the time. A graph from a continuous monitor testing device will show fluctuations each hour.

Q. How long until radon levels decrease once a mitigation system is installed?

A. Radon levels will begin decreasing immediately once a system is installed and the fan is operating. Mass Radon recommends starting a post mitigation test a minimum of 48 hours after a system has been installed. This allows time for the system to operate at its full maximum potential.

Q. Radon levels are typically higher in crawl spaces and basements than in upper floors of a home.

A. Typically yes, radon gas will dilute and decay as it reaches the upper floors if the source is concentrated from under the property. Other sources such as well water or building materials have the potential to increase upper floor radon levels.

Q. Are short-term radon test kits accurate?

A. DIY kits are accurate to a degree but a professional continuous monitor machine which has been regularly calibrated and used by a professional certified tester is the most accurate.

Q. Are homes with concrete slab foundations less likely to have high radon levels?

A. No. Test, Test, Test. The only way to know for sure about radon levels in a property is to test.

Q. Is it possible to completely remove radon from a home with a mitigation system?

A. No, Mitigation Definition: the act of making a condition or consequence less severe. Mass Radon routinely sees post mitigation test results equal to the outside air average of 0.4 pCi/L but not every home’s conditions will allow this. Best results are achieved by having a certified professional mitigation company evaluate and install the best possible mitigation system for each individual property.

Q. Do radon fans need to run constantly?

A. Yes, A radon fan needs to be running for the system to operate properly. A side benefit of the radon system is it will also pull moisture out. This could easily equal less running time of a more expensive to operate dehumidifier.

Q. Will a radon mitigation system help reduce moisture in my basement?

A. Yes, to a degree which is dependent upon the property. An ASD (Active Soil Depressurization) system will pull moisture from under the basement floor and vent it out of the house as humidity. This equals less running time of a dehumidifier which is certainly more expensive to run than a radon fan. It’s a nice side benefit of the system. An HRV (Heat Recovery Ventilation) system may not reduce moisture.

Q. Can high-efficency (or HEPA) air filters help reduce indoor radon levels?

A. DFS technology, with 9 stages of filtration. Originally developed for the U.S. Military, DFS technology is the gold standard when it comes to protecting families from airborne allergens, gases and volatile organic compounds. Ultrafine particles are another indoor air hazard which can reduce blood flow and lead to cardiovascular disease. DFS captures 99.99% of ultrafine particles at .007 microns - 40 times more efficient than HEPA.

Q. Is radon gas dangerous to humans?

A. Yes, it is a known carcinogen.

Q. Where is the best location to place a short-term radon test kit?

A. In the lowest room which is POSSIBLE living space? Usually the basement even if it's not a finished space. Follow the directions carefully for a DIY test. A professional tester will always locate the best place to test.

Q. Do vacant homes typically have higher radon levels than occupied homes?

A. Vacancy may simulate closed house conditions for longer periods of time. There typically will not be as much dilution factor as there is during normal living conditions.

Q. How is radon removed from water?

A. Mass Radon only uses an aeration type system. No chemicals are used. Radon gas dissolves in water like carbonation in a soda. The aeration system does just that, it aerates the water which agitates it so the radon is released into the air inside a contained tank. The radon gas is then vented out of the building through pipe. Mass Radon only installs the Bubble Up Interactive systems made by R.E. Prescott, Exeter N.H.
Charcoal type filters for removing radon from water can become dangerous hazardous waste if not properly maintained.

Q. How do I test for radon gas?

A. Commercially available DIY radon test kits or have a professional certified radon tester come out and test your property.

Q. Should well water be tested for radon?

A. Yes, Radon gas dissolves in water like carbon does in a soda.

Q. How often should well water be tested for radon?

A. Same as the air. At least every 2 years.

Q. Do you typically work on weekends?

A. Yes, Mass Radon will accommodate customers that can only be available on weekends, typically on Saturdays by prior arrangement.

Get In Touch

Let us know what your needs are and how we can help you.
We are always available to assist with your Radon Mitigation needs.
Call to text to: 774-633-7369


To request a FREE quote for a Radon mitigation system, please call us at 413-737-0272, or fill out the form below.
We will then contact you ASAP and provide the information you require.

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