<p> WORLD TRADE G/TBT/N/USA/631 16 June 2011 ORGANIZATION (11-2968)</p><p>Committee on Technical Barriers to Trade Original: English</p><p>NOTIFICATION</p><p>The following notification is being circulated in accordance with Article 10.6</p><p>1. Notifying Member: UNITED STATES If applicable, name of local government involved (Article 3.2 and 7.2): </p><p>2. Agency responsible: Environmental Protection Agency (EPA) (649) Name and address (including telephone and fax numbers, email and website addresses, if available) of agency or authority designated to handle comments regarding the notification shall be indicated if different from above: </p><p>3. Notified under Article 2.9.2 [ ], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], other: [ X ] </p><p>4. Products covered (HS or CCCN where applicable, otherwise national tariff heading. ICS numbers may be provided in addition, where applicable): New Highway Vehicles and Engines (HS 8408, ICS 13.020, 27.020)</p><p>5. Title, number of pages and language(s) of the notified document: Control of Emissions From New Highway Vehicles and Engines; Guidance on EPA's Certification Requirements for Heavy-Duty Diesel Engines Using Selective Catalytic Reduction Technology (11 pages, in English).</p><p>6. Description of content: EPA is requesting comment on draft guidance and related interpretations concerning the application of certain emission certification regulations to those on-highway heavy-duty diesel engines that are using selective catalytic reduction systems to meet Federal emission standards. EPA will review the comments and provide final guidance and interpretations in a future Federal Register document.</p><p>7. Objective and rationale, including the nature of urgent problems where applicable: Protection of environment</p><p>8. Relevant documents: 76 Federal Register (FR) 32886, 7 June 2011; 40 CFR Part 721 </p><p>9. Proposed date of adoption: To be determined Proposed date of entry into force: </p><p>10. Final date for comments: 7 July 2011</p><p>. /. G/TBT/N/USA/631 Page 2</p><p>11. Text available from: National enquiry point [X], or address, telephone and fax numbers, e-mail and web-site addresses, if available of the other body: Internet URLs: http://www.gpo.gov/fdsys/pkg/FR-2011-06-07/html/2011-13851.htm http://www.gpo.gov/fdsys/pkg/FR-2011-06-07/pdf/2011-13851.pdf </p>