• ASHRAE Standard 188P: Prevention of Legionellosis Associated with Building Water Systems -- McCoy, Pearson authors

• White Rust Position Paper -- Association of Water Technologies

• Guidelines for Treatment of Systems Containing Enhanced and Super-Enhanced Tubes -- Association of Water Technologies

• Legionella 2003 Position Paper - Association of Water Technologies and William E. Pearson, II, CWT author.

• Legionella, An Environmental Issue and Concern - Association of Water Technologies and William E. Pearson, II, CWT author.

• Non-Chemical Devices: 30 Years of Myth Busting - ProChemTech International, Inc., Timothy Keister, FAIC, CWT