Comment on Counterfeit Impact Factors are Devaluing the Real One by gaudart

The international journal of health geographics, from the BMC group I presume, publish a lot of good paper in its field. In its web page, we can see an IF of 2.2:
http://www.ij-healthgeographics.com/
Furthermore, it is written “International Journal of Health Geographics is tracked by Thomson Reuters (ISI) and has an Impact Factor of 2.20.”
http://www.ij-healthgeographics.com/about
but this journal is not in the JCR list. How can it be possible?