Zinc Coatings on Handrail Tubing: A Comparative Analysis   Water Engineering & Management August 2002   Philip G. Rahrig
When applying zinc metal to steel handrail tubing for corrosion protection, batch hot-dip galvanizing and in-line, continuous galvanizing are the two most common methods. Understanding the metallurgy, bond strength, corrosion mechanisms and testing of these two galvanizing methods may lead to better design decisions for particular applications.
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Making the Sale Using Certification to American National Standards   Water Quality Products March 2002   By Tom Bruursema, NSF
Dealers of drinking water treatment systems today enjoy a growing market of opportunity. However, accompanying this growth is increasing competition, a tightening economy and a far more informed consumer. All of these require dealers to find better ways to differentiate their products and services.

Drinking Water Treatment Product Testing Laws   Water Quality Products April 1997   by Sandy Games and Dr. Duane D. Nowlin
Almost every state has laws prohibiting false advertising and misleading claims for consumer products. Four states have specific laws relating to home drinking water treatment systems.