Radioactive Hazard SymbolRadiation Safety

>Radioactive Decay Calculator

This tool determines the activity remaining in a sample based on the initial activity, isotope, and time elapsed.

>Sanitary Sewer Discharge Limits Calculator

There are legal concentration limits for sewer discharge of trace amounts of contamination. This tool helps you comply with these rules.

>Radioactivity Unit Converter

This tool converts between traditional units of radioactivity (curies) and the SI measure (becquerels).

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Radiation Sink