Shanghai Environmental Protection Agency Document
Shanghai Environmental Protection Radiation (2014) No. 238
Shanghai Environmental Protection Bureau on Shanghai Jingpu Technology Co., Ltd.
EDX2600 X-ray fluorescence analyzer implementation of exemption management reply
Shanghai Jingpu Technology Co., Ltd.:
Your company's "EDX2600 X-ray Fluorescence Analyzer Exemption Application Report" was received.
According to the relevant provisions of the "Safety Management Measures for Radioisotopes and Radiation Devices"
And the expert review opinions, after research, the reply is as follows:
1. Agree with the EDX2600 X-ray fluorescence analyzer produced by your company (maximum
Exemption management is implemented for the use of a tube voltage of 45 kV and a tube current of 0.6 mA.
Second, the use of the above instruments can be exempted from the radiation safety license.
Third, your company should improve the relevant systems, establish sales ledgers, and ensure radiation
environment safety.
Shanghai Environmental Protection Bureau
June 12, 2014
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Coal and coke
Coal is a naturally-found fossil fuel that is formed by the anaerobic decay of plant life taking place over millions of years. The energy released when the fuel is burned comes from the initial solar energy that remains stored in the hydrocarbons contained in coal. Coke is what remains when the impurities in coal, such as coal-tar and coal-gas, are removed by high temperatures in an oxygen-free furnace. The absence of oxygen during the process prevents the coal from burning. Unlike coal, coke can be burned with little or no smoke.
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