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Kathy Allen August 24, 2006 <br /> PA-0600410(SA) Page 4 <br /> technologies listed above, please contact Mr. Chris Acree, Senior Air Quality Specialist, at (559) 230- <br /> 5829. <br /> • Construction equipment may be used that meets the current off-road engine emission standard (as <br /> certified by the California Air Resources Board (CARB), or be re-powered with an engine that meets <br /> this standard. Tier I, Tier II and Tier III engines have significantly less NOx and PM emissions <br /> compared to uncontrolled engines. To find engines certified by the CARE, see <br /> ham://www.arb.ca.gov/msprog/offroad/cert/cert.php. This site lists engines by type, then manufacturer. <br /> The "Executive Order" shows what Tier the engine is certified as. Rule 9510 requires construction <br /> exhaust emissions to be reduced by 20 percent for NOx and 45 percent for PM10 when compared to <br /> the statewide fleet average or to pay an in lieu mitigation fee. For more information on heavy-duty <br /> engines, please contact Mr. Thomas Astone, Air Quality Specialist, at (559) 230-5800. <br /> District staff is available to meet with you and/or the applicant to further discuss the regulatory requirements <br /> that are associated with this project. If you have any questions or require further information, please call <br /> either myself, or Mr. Dave Mitchell, Planning Manager, at (559) 230-5800, and provide the reference number <br /> at the top of this letter. <br /> Sincerely, <br /> Chris J. lashian <br /> Air Quality Specialist <br /> Central Region <br /> C: file <br />