CAHNRS > Western Wheat Quality Laboratory > Contact Us Contact Us Your Name(Required) First Last Your Email Address(Required) Email Address Confirm Email Address Your Comments/Questions(Required)Please let us know how we can help you. Δ Mailing Address: USDA/ARS – Western Wheat Quality Laboratory E-202 Food Quality Building PO Box 646394 Pullman, WA, 99164-6394 Phone: 509-335-4062