Marble And Granite Radiation

While natural rocks such as granite may emit radiation and radon gas the levels attributable to such sources are not typically high.

Marble and granite radiation.

Use the radiation dose calculator to estimate your yearly dose from sources of ionizing radiation. On checking with some of the quartz countertop companies i was informed that quartz does contain some radioactive materials. This concentration is less than. Both granite and marble are naturally occurring materials that were formed millions of years ago similar to minerals.

Assuming a relatively tight house with an air change rate of 0 5 per hour h 1 and using average measured dose rates from granite countertop slabs the estimated radon concentration in kitchen air would be 4 8 becquerels per cubic meter bq m 3. Some granite countertops have dangerously high emissions of radiation particularly radon gas. Many homeowners are increasingly worried about the level of radiation they may be getting from their granite countertops. Granite is very popular as material for buildings and homes especially as kitchen countertops because of their beauty durability and function.

One of the top picks for us homeowners is granite because it is durable and beautiful as well as affordable. These range from natural materials such as wood marble and granite to engineered products such as quartz stone. Identifying radiation in granite countertops. November 2013 thanks to quick and forceful action by the marble institute of america and its legal team the doctor s show has retracted a show segment in which it reported that living in a home with granite countertops could be as bad as smoking a half package of cigarettes a day.

Marble white calcutta marble. Fabricators or installers are an important part of the stone selection process. Seven days after the report the doctors show. Identifying the presence and concentration of radioactive elements in each specific granite countertop requires sophisticated instruments.

Granite black crystal black. However some articles have circulated that claim granite is a source of harmful radiation specifically radon. Radiation from granite countertops. But i have become aware that granite comprises quartz.

Here is a link for several studies from all over the world. Granite and marble do emit tiny but noticeable amount of radiation in different proportions. If your home has a radon level of 4 picocuries per liter pci l of air or more you should take steps to fix your home and reduce the radon level. The doctors show admits it erred in granite radon segment.

We have compiled a list of thoroughly vetted nationwide fabricators to help you with your project.