EPA will hold a public meeting and webcast September 20, 2012 on the regulation of perchlorate in drinking water. EPA plans to address information on treatment technologies, analytical methods, and other subjects pertaining to the development of a perchlorate standard. The meeting and webcast are scheduled for 1-4 p.m. Eastern Time at EPA, Potomac Yards South, 2777 South Crystal Drive, Arlington, VA 22202. More information on the meeting is available from Russ Perkinson of EPA at (202) 564-4901 or perkinson.russ@epa.gov. To attend the meeting in person, parties must register by 5 p.m. September 17, 2012 by contacting Junie Percy of IntelliTech at junie.percy@itsysteminc.com or (937) 427-4148, extension 210. Those wishing to participate in the webcast must register in advance at https://www3.gotomeeting.com/register/369407742.