Contact Paul A. Kittle, Ph.D., at Aquafoam, Inc., PO Box 707, Concordville, PA 19331; 610-804-0100, fax 909-257-8266; foamman@aquafoam.com. Contact Robert Small, Ph.D., CMP Technical Director, at 510-784-5846. Contact Mihaela A. Cernat, Chemist-R&D, 510-780-5625, fax 510-784-9181. Contact Bob Patel at 510-784-7500, fax 510-784-9181. Authors Small, Cernat, and Patel are affiliated with EKC, 2520 Barrington Court, Hayward, CA 94545.