An Ecolab Company Nalco Water Nalco Company is the world's leading water treatment and process improvement company. Nalco's more than 10,000 employees work with more than 70,000 customers in 130 countries in industry, government, and institutions to solve and prevent probems, protect the environment, decrease costs, increase productivity, improve profitability by reducing customer total costs of operation, and maintain asset reliability. The group of scientists assembled to author the various sections of this edition work in Nalco's metallurgy group, specializing in metallographic failure analysis investigations. They have conducted thousands of detailed metallographic failure analyses on boiler system components that focus on root cause determination. Read More Read Less