26How To OrderInformation RequiredTechnical and Customer Service (U.S.A. only)Hach Technical and Customer Service Department personnelare eager to answer questions about our products and their use.Specialists in analytical methods, they are happy to put theirtalents to work for you.Call 1-800-227-4224 or E-mail techhelp@hach.com.International CustomersHach maintains a worldwide network of dealers and distributors.To locate the representative nearest you, send E-mail tointl@hach. com or contact:In Canada, Latin America, Africa, Asia, Pacific Rim:HACH CompanyP.O. Box 389, Loveland, CO 80539-0389 U.S.A.Telephone: (970) 669-3050; FAX: (970) 669-2932In Europe, the Middle East, or Mediterranean Africa:HACH Company, c/oDr. Bruno Lange GmbHWillstätterstr. 11,D-40549 Düsseldorf, GermanyTelephone: +49/[0]211.52.88.0; Fax: +49/[0]211.52.88.231By Telephone: By Mail:6:30 a.m. to 5:00 p.m. MSTMonday through Friday(800) 227-HACH(800-227-4224)By Fax: (970) 669-2932Hach CompanyP.O. Box 389Loveland, CO 80539-0389U.S.A.Ordering information by E-mail: orders@hach.com• Hach account number (if available) • Billing address• Your name and phone number • Shipping address• Purchase order number • Catalog number• Brief description or model number • Quantity