Build Your Own Geiger Counter 2 - Geiger-Muller tubes 1

            The critical component in a Geiger counter is the Geiger-Müller tube. It is a gas metal or conductive material lined tube that registers a voltage spike when a radioactive particle penetrates the tube and ionizes the gas inside. There are many companies that sell kits for the electronics of a Geiger counter. However, they leave it to the builder to purchase the Geiger-Muller tube separately. Geiger-Muller tubes come in a wide variety of designs at different prices.

Public Radiation Monitoring 9 - Washington State 2

            The Washington State government has established rules for dealing with radioactive materials. These rules are in the Washington Administrative Code (WAS) which contains regulations issued by the Executive Branch of the Washington State government as instructed by enabling statutes. In general states must conform to national standards laid down by the United States Nuclear Regulatory Commission (NRC) which licenses companies to handle radioactive materials.

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