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Ms.Kuhl December 5,2005 <br /> PA-0400667(MS) Page 4 <br /> - Replace fossil-fueled equipment with electrically driven equivalents (provided they are not run via a <br /> portable generator set) <br /> - Require that all diesel engines be shut off when not in use on the premises to reduce emissions from <br /> idling. The applicant should install equipment that provides amenities that would otherwise be <br /> powered by idling engines. An example of such technology includes ldleAire. See <br /> http://www.idleaire.com/. <br /> - Curtail construction during periods of high ambient pollutant concentrations; this may include ceasing <br /> of construction activity during the peak-hour of vehicular traffic on adjacent roadways, and "Spare the <br /> Air Days"declared by the District. <br /> - Implement activity management(e.g. rescheduling activities to reduce short-term impacts) <br /> - During the smog season (May through October), lengthen the construction period to minimize the <br /> number of vehicles and equipment operating at the same time. <br /> - Off road trucks should be equipped with on-road engines when possible. <br /> - Minimize obstruction of traffic on adjacent roadways. <br /> - Light Duty Cars and Trucks should be alternative fueled or hybrids. <br /> • Diesel equipment should use verified alternative diesel fuel blends or Ultra Low Sulfur Diesel (ULSD). <br /> The California Air Resources Board (CARB) has verified specific alternative diesel fuel blends for NOx <br /> and PM emission reduction. Only fuels that have been certified by CARB should be used. For more <br /> information on alternative diesel blends, please call Mr. Chris Acree, Senior Air Quality Specialist, at <br /> (559) 230-5829. Information on biodiesel can also be found on CARB's website at <br /> http://www.arb.ca..g v/fuels/diesel/altdiesel/altdiesel.htm and the EPA's website at <br /> http://www.epa.gov/oms/models/biodsl.htm. <br /> • Construction equipment should have engines that meet the current off-road engine emission standard <br /> (as certified by the CARB), or be re-powered with an engine that meets this standard. Tier I and Tier II <br /> engines have significantly less NOx and PM emissions compared to uncontrolled engines. To find <br /> engines certified by the CARB, see http://www.arb.ca.qov/msproq/offroad/cert/cert.php. This site lists <br /> engines by type, then manufacturer. The "Executive Order" shows what Tier the engine is certified as. <br /> For more information on heavy-duty engines, please contact Mr. Kevin McCaffrey, Air Quality Specialist, <br /> at(559) 230-5831. <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 me <br /> at (559) 230-5800 or Mr. Hector R. Guerra, Senior Air Quality Planner, at (559) 230-5820 and provide the <br /> reference number at the top of this letter. <br /> Sincerely, <br /> es�icaR. illis <br /> Air Quality Specialist <br /> Central Region <br /> c:file <br />