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The Coloured Books - Yellow, Green, Purple, Red

The "Coloured Books" are used around the world as valuable standard reference material in safety studies. TNO has made significant contributions to these studies and has used them as a basis for their software programs EFFECTS and RISKCURVES. The studies were initiated by the Dutch Government in the 1990's. The most widely used "Yellow Book" was revised in 2005.

Although the corresponding TNO software is continuously further developed, the books are not kept up-to-date anymore. The following books are freely available in electronic form as PDF-files:

Yellow Book

Methods for the calculation of Physical Effects Due to releases of hazardous materials (liquids and gases) - Third edition Second revised print 2005

Green Book

Methods for the determination of possible damage to people and objects resulting from releases of hazardous materials - First edition 1992

Purple Book

Guidelines for quantitative risk assessment – First edition 1999/2005

Red Book

Methods for determining and processing probabilities - Second edition 1997/2005

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EFFECTS: Advanced, easy-to-use Consequence Analysis

A loss-of-containment scenario in the (petro)chemical industry can be devastating, for both property and human life. EFFECTS is easy-to-use, affordable software that helps safety professionals calculate... Read more
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RISKCURVES: Comprehensive Quantitative Risk Analysis

The storage and transport of hazardous materials imposes risks to the surrounding population and structures, both in the urban environment and at (petro-) chemical facilities. RISKCURVES can quantify... Read more

Victor van Swinderen

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Victor van Swinderen

  • effects
  • riskcurves
  • software
  • QRA
  • safety
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