Data on assessment excess lifetime cancer risk and risk of lung cancer from inhalation of Radon 222 in radiotherapy centers in Tehran, Iran

The purpose of the data was to determine excess lifetime cancer risk (ELCR) and risk of lung cancer from inhalation of radon in radiotherapy staff at Tehran radiotherapy Centers in 2015.The concentration of radon gas was extracted from a study done at Tehran radiotherapy centers, and then ELCR and risk of lung cancer were calculated in all centers by standard equations. The excess lifetime cancer risk and risk of lung cancer were 1.89 and 8.46 cases per 100,000 people in radiotherapy centers in Tehran City. The data indicate that the excess lifetime cancer risk and risk of lung cancer in radiotherapy centers are lower than the standard values which presented by UNSCEAR 2000.


a b s t r a c t
The purpose of the data was to determine excess lifetime cancer risk (ELCR) and risk of lung cancer from inhalation of radon in radiotherapy staff at Tehran radiotherapy Centers in 2015.The concentration of radon gas was extracted from a study done at Tehran radiotherapy centers, and then ELCR and risk of lung cancer were calculated in all centers by standard equations. The excess lifetime cancer risk and risk of lung cancer were 1.89 and 8.46 cases per 100,000 people in radiotherapy centers in Tehran City.

Type of data
Tables, graph. How data was acquired The concentration of radon gas was extracted from a study done at Tehran radiotherapy centers [3], then the excess lifetime cancer risk and risk of lung cancer were calculated in all centers using standard equations [5,6].

Data format
Analyzed.

Experimental factors
The concentrations of radon gas were analyzed according to the standards to calculate excess lifetime cancer risk and risk of lung cancer from inhalation of radon-222. Experimental features Excess lifetime cancer risk and risk of lung cancer from inhalation of radon-222 were determined. Data source location Tehran city, Iran.

Data accessibility
The data are available with this article

Value of the data
Data showed that the excess lifetime cancer risk and risk of lung cancer in radiotherapy centers are lower than the standard values which presented by UNSCEAR 2000. That means the possible hazards from radon concentration are low compared to UNSCEAR 2000.
Data can be used to demonstrate that the risk of lung cancer is greater than excess lifetime cancer risk in radiotherapy centers in Tehran City i.e., for the current population radon concentration should also be considered a potentially significant cause of lung cancer which is exposed through contamination of indoor air by radon from surrounding materials.
The data can be used to compare ELCR and the risk of lung cancer with other studies in radiotherapy centers.

Data
The excess lifetime cancer risk and risk of lung cancer were calculated in eight radiotherapy centers in Tehran ( Table 1). The ELCR and the risk of lung cancer were compared with UNSCEAR 2000 range (Diagram 1). According to the UNSCEAR 2000 the annual effective dose for radiation workers by Radon-222 and Radon-220 is different from to 0.1 to 1.15 mSv [1,2]. In this data, the mean annual effective dose is equal to 0.48 mSv.

Experimental design, materials, and methods
The concentration of Radon-222 was extracted from a study, which was carried out at eight radiotherapy centers in Tehran, Iran [3]. Then, the excess lifetime cancer risk and risk of lung cancer were calculated.

Assessing the excess lifetime cancer risk
To calculate the excess lifetime cancer risk due to gamma-ray radiation the following equation was used [4][5][6]:

Calculating the risk of lung cancer
The probability of annual lung cancer cases per million people (CPPP) caused by effective dose received from Radon-222 was assessed by Eq. (2) [9][10][11].
ERn ¼ Effective dose received by the Radon 222.

Transparency document. Supporting information
Transparency data associated with this article can be found in the online version at https://doi.org/ 10.1016/j.dib.2018.09.005. Diagram 1. The comparison between ELCR and risk of lung cancer ( Â 10 À 3 ) in the current study with 95% confidence intervals (CI) and the UNSCEAR 2000 value. Table 1 The excess lifetime cancer risk (ELCR) and risk of lung cancer ( Â 10 À 3 ).