9.4.3 Survey in Neftchala
The Neftchala site was the largest surveyed at approximately 186 000 m2. The measurements were made under a strong wind and 42°C temperature, a historical heat record for the region and the season.
The pathways followed for the measurements are illustrated in figure a. Most of the measurements results were below 270 nSv/hr, which is the gamma dose rate comprised of the 200 nSv/hr criterion plus the assumed background value of 70 nSv/hr.
