Buying a Geiger Counter 101

Good places to buy:
[Geiger counters]
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GeigerCounters.com
http://www.ebay.com/sch/atomic.dave/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p3686
http://www.ludlums.com/component/virtuemart/area-monitoring-5/home-personal-use-115/alpha-beta-gamma-counter-300-detail?keyword=3_with&Itemid=0
http://www.mazurinstruments.com/
[Equipment + check sources]
SpectrumTechniques.com