Radon: How Testing Works

Radon is a naturally occurring radioactive gas that results from the decay of uranium found in trace amounts in soil, rock, and water. Radon is the main source of our exposure to all radiation. In fact, 55% of all radiation to which we are exposed comes from radon gas. Outdoor radon is not a threat. However, radon gas can enter homes or other buildings and can accumulate to dangerous levels. Because we spend so much time indoors, exposure to such levels of radon over a long time can pose a serious health risk.

FACT: THE US SURGEON GENERAL AND THE US ENVIRONMENTAL PROTECTION AGENCY HAVE DETERMINED RADON IS SECOND ONLY TO SMOKING AS A LEADING CAUSE OF LUNG CANCER.

How Metro Boston’s radon testing works:

  1. Closed-building conditions must be maintained for 12 hours prior to the initiation of the test and during the test. All windows on all levels and external doors must be kept closed (except for momentary events such as normal entry and exit) before and during the test period.
  2. Heating and cooling systems must be set to normal occupied operating temperatures and their fan/blower controls must be set to normal intermittent activity unless the continuous activity is a permanent setting. Window air conditioning units must only be operated in a recirculating mode. Equipment that supplies fresh air to the dwelling must be deactivated except for make-up air to a combustion appliance.
  3. Whole house fans must not be operated. Window fans should be removed or sealed shut. Wood burning fireplaces must not be operated unless they are the primary sources of heat for the dwelling. Avoid excessive operation of clothes dryers, range hoods, bathroom fans and other mechanical systems that draw air out of the building.
  4. If the results are above 4.0 pCi/L EPA recommends the installation of a radon mitigation system.​

 

Call Us Today (781) 828-1972 to get the most comprehensive home inspection in the Eastern MA & Northern RI area. Metro Boston Property Inspections has been perfecting the art of Home Inspections since 1998. We’ve kept up as the industry has continued to evolve with new standards and more advanced technology, but one thing has remained consistent: our dedication to providing the best Home Inspection solutions.

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Andrea Gramolini

ASSOCIATE INSPECTOR

My name is Andrea, and I am the newest Associate Home Inspector at Metro Boston Property Inspections. I joined the team in May of 2023 and am learning quickly with such an experienced and dedicated team.

Before coming to Metro Boston Property Inspections, I worked in construction for over 7 years. I enjoy helping others with the process of purchasing their home or commercial property, as real estate is typically the largest investment of someone’s life. Knowing I am adding value to others’ experiences in the real estate purchasing process is very rewarding.

I look forward to working with you when the time is right for your first or next property.

Kristopher Crowell

ASSOCIATE INSPECTOR

My name is Kristopher. My attention-to-detail and fascination with building & materials science are well-suited to this work. I joined Metro Boston Property Inspections in October 2022.

I’ve spent the last 12 years as a project manager on hundreds of residential and commercial projects. Understanding the need for quality installation, maintenance, and repair, I provide unique insights into ensuring the systems we depend on function and last as we intend them to.

Buying a home is a pivotal moment for most people, and my role with MBPI is to help you navigate those crucial days. 

Mark Weinzierl

Licensed Home Inspector

My name is Mark, I am married and have 1 son! Previous to becoming a home inspector, I was a science and engineering teacher and later a property manager.

I joined the team at Metro Boston Property Inspections in 2021. It has been a great experience working with and learning from the many professionals here at MBPI.

For many, buying a home is the biggest financial decision they have ever made. As a licensed home inspector, I get to help people during this exciting and stressful process by teaching them about the homes they are hoping to buy.

I look forward to meeting you when the time comes to for you to purchase your first, or next home!

Robert Madzar

Residential Construction Home Inspector

My name is Rob Madzar I joined the Metro Boston Property Inspection team in 2019 after 30 years of working in residential construction.


  • In addition to my home inspector license, I have a construction supervisor’s license and a real estate agent’s license.
  • I am mold certified
  • I was looking to join an established inspection company with a proven track record of excellent Customer service, and high expectations of their employee’s professionalism. I found both at Metro Boston Property Inspections.
  • I look forward to helping show clients our high standards.



We provide real estate inspections for both residential and commercial clients ranging in size from small garden-style apartments up to 100,000 SF commercial properties. We provide our clients a computer-generated narrative report within 24 hours of the inspection for residential clients, and depending on the size, style and condition of the property, commercial reports may take up to 5 days.

Missy Boyle

Operations Manager

Hello, my name is Missy and I am the Operations Manager. I have been with MBPI since June of 2017. I came to MBPI with an extensive real estate background. I worked as a licensed real estate assistant for over 12 years at one of the largest real estate companies in the world.

I love helping clients and agents alike by educating them on our services and doing whatever I can to accommodate their busy schedules! I consider it a personal challenge to exceed everyone’s requests. I love talking with people and can relate to them and what they are going through because of my real estate background. I also love when it’s time to follow up with our clients and agents after the inspection…it is so wonderful to hear all the kind things they have to say about our inspectors and how thorough and wonderful they are!

Customer Service is a HUGE priority for all of us at Metro Boston Property Inspections, and we can’t wait to help you when you’re ready for us!

Tod Whiting

CEO and President

Hello, I am pleased to introduce myself to our past and future clients. I am a Massachusetts Licensed Home inspector, Certified Radon Measurement Technician, Certified Mold Inspector, Registered pest Inspector, and Certified Commercial Inspector.

Prior to the creation of MBPI, I was a franchisee with Allstate Home Inspection & Household Environmental Testing, 1998 to 2007. As a member of AHI, I was hired by corporate to provide training to new franchisees.
Training and coaching are passions of mine and I enjoy developing new inspectors in order to create the most consistent inspection experience there is.

I am a member of the International Association of Certified Home Inspectors (InterNACHI), Indoor Air Quality Association, and the Association of Radon Scientists and Technologists. I am an affiliate member of the Asian Real Estate Association of America.

For 22 years I coached competitive fastpitch softball from kindergarten instructional leagues to college showcase teams. I still play softball today on a co-ed team with my daughters.

My real passion is running my business and creating opportunities for our team, our clients and our referral partners to realize their dream life and to develop opportunities to make a real difference in our community and the world.