You should compare the Rad numbers directly with the Rad numbers in with my articles listed on the VT Author's Page here: http://www.veteranstoday.com/author/bobnichols/  or below.

It is also linked to my name at the top on every article.

 RADIATION CPM* COMPARISON CITY STATE

*Listed in Counts per Minute, a Count is One Radioactive Decay Registered by the Instrument.

All Radiation Counts reported are partial Counts. Uncounted types of radiation include Alpha, Beta, Gamma, Neutron and X-Ray radiation.  Uncounted radiation, if added, makes the actual Count higher and more dangerous.