Arch Chemicals, Inc., now part of Lonza, had more than $1 billion in sales in 2010. We take pride in making products that help make people's lives better, safer and healthier. We're a global leader in providing innovative, chemistry-based solutions to selectively destroy and control the growth of harmful microbes. Our concentration is in water treatment, hair and skin care products, wood treatment, preservation and protection applications such as for paints and building products, and health and hygiene applications. For more information, visit Arch Worldwide.