Sep 15, 2009· Comment submitted by Thomas W. Curtis, Deputy Executive Director, American Water Works Association (AWWA)· EPA-HQ-ORD-2009-0495-0004
Attached are comments submitted on behalf of the American Water Works Association regarding "Nanomaterial Case Studies: Nanoscale Titanium Dioxide in Water Treatment and Topical Sunscreen" (74 Federal Register 38188), Docket ID No. EPA–HQ–ORD–2009–0495. If there are any difficulties with this transmission please contact Steve Via at 202-326-6130, svia@awwa.org.