This post is from another site I belong to. It has a great link for those looking for design information. Thanks to Geoff Stone.

[i]Here is a website for those who have recently requested Internet based resources that can be used in piping design for refineries and chemical plants. If you get through reading all this in a year and understand it, you need to get out more and have a life.

http://www.red-bag.com/guidespapers/pla … oxic_areas

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