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t <br /> Mr.Swanson February 9,2006 <br /> PR-0600020(UP) Page 3 <br /> - Limperat <br /> it the hours of..oion of heavy duty equipment and/or the amount of;equipmei�t in use <br /> Replace fossil-fueled equipment with eEectri '611" driven equivalents (provided they are'not run via a <br /> portable generator set) <br /> - Apply idling time limits or require that alVdieseVengines be-shut off when not in use on the premises,- <br /> to-re ci emissions;from idling <br /> P w <br /> Y g P - nkrations; this niay mcEude ceasing <br /> Curtail construction•during pemods of high ambient allutant conte <br /> of construction Activit Burin the eak`hour of`vehicular traffic on adjacentroadways, and "Spare the <br /> Air.©ays".declared.bythe District. . >. <br /> - lmplement activity management.:(e g rescheduling activities.to reduce shock term impacts) <br /> - During Ane,smog season {May through October}, lengthen the construction period to:rninimize the k <br /> numder of vehicles and equipment operating atthe same time' <br /> - µ <br /> Off road trucks should be equipped with'on road engines when possible "' <br /> Minimize obstruction of traffic.on adjacent,roadways: <br /> • The applicant should use diesel equipment fueled by alternative diesel fuel blends or Ultra Low Sulfur <br /> Diesel (ULSD}. The California Air Resources.Board (CARB) has verified specific alternative diesel fuel <br /> blends.:for-.NOx.and PM emission .reduction :Only fuelsahat-have been certified.by'CARB should'be <br /> used. Information on biodiesel .can be found'on'CARB's`website.at.http:/fwww.arb.ca.govlfuelstdiesel/ <br /> altdiesellaltdiesel.htm and.. the .EPA's website at http://www.epa.govLoms/models/biodsi.htm. The.. <br /> applicant should also.use CARB certified alternative fueled engines in construction equipment where <br /> practicable. Alternative fueled equipment may be powered;by:Coriipressed :Natural Gas. (CNG'), Liquid <br /> Propane Gas (LPG), electric motors, or.other CARB cert!fied off-road technologies. To find ines <br /> engines <br /> certified by the.CARB, see their certification website http://www.arb.ca.gov/msprog/offroad/cert/cert.p_hp. <br /> For more.information on.any of thetechnologies listed above, please coritactMr. Chris Acree, Senior Air <br /> Quality Specialist, at(559)-230-5829.' <br /> • Construction equipment should have engines that..meetAhe 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, Tier II and <br /> i have significantly less NOx and PM emissions 'compared to uncontrolled engines. To <br /> Tier Ill engines9 <br /> 9 9 Y <br /> find engines certified by the CARB, see http://wvAw.arb.ca.gov/mspro.q/offroad/cert/cert.php. This site. <br /> E lists engines by type, then manufacturer. The "Executive Order" shows what Tier the engine is certified <br /> as. For more information on heavy-duty engines, please contact Mr. Thomas Astone, Air Quality <br /> I 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 me <br /> at (559) 230-5818, or Mr. Dave Mitchell, Planning Manager, at (559) 230-5807, and provide the reference <br /> number at the top of this letter. <br /> Sincerely, <br /> essica Willis <br /> Air Quality Specialist <br /> Central Region <br /> C:file <br />