TABLE 2

Counting Rate Measurements

Type of measurementStanfordUppsala
Peak NECR (kcps)201.1185.7
Activity at peak NECR (kBq/mL)22.121.7
Peak true counting rate (kcps)875.9827.0
Activity at peak true counting rate (kBq/mL)35.434.8
Scatter fraction at peak NECR (%)40.440.8