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y' Ms. Mueller July 21, 2004 <br /> PA-0400351 Page 4 <br /> used. For more information on biodiesel, please call Mr. Chris Acree, Air Quality Specialist, at (559) <br /> 230-5829. <br /> Information on blodiesel can also be found at CARB's website- <br /> htt ://www.arb,ca. ovlfuels/diesel/altdiesel/altdiesel.htm <br /> and the EPA's website http:llwww.epa.gov/oms/models/biodsl.htm. <br /> Construction activity mitigation measures include: <br /> - Require construction equipment used at the site to be equipped with catalysts/particulate traps to <br /> reduce particulate and NOx emissions. These catalysts/traps require the use of ultra-low sulfur <br /> diesel fuel (15 ppm). Currently, California Air Resources Board (ARB) has verified a limited <br /> number of these devices for installation in several diesel engine families to reduce particulate <br /> emissions. At the time bids are made, have the contractors show that the construction equipment <br /> G used is equipped with particulate filters and/or catalysts or prove why it is infeasible. <br /> - Use alternative fuel construction equipment. <br /> - Replace fossil-fueled equipment with electrically driven equivalents (provided they are not run via <br /> portable generator set). <br /> - Install wind breaks on windward sides-of construction areas: <br /> - Curtail construction during periods of high _ambient pollutant concentrations. This may include <br /> ceasing construction activity during peak-hour vehicular traffic on adjacent roadways, and "Spare <br /> the Air Days"declared by the District. <br /> - 'Require that all diesel engines be shut off when not in use on the premises to reduce emissions <br /> from idling. <br /> Electrify truck-parking areas to allow trucks with,sleeper cabs to use electric heating and cooling to <br /> eliminate the need to idle their diesel engines. <br /> • If TRU's (truck refrigeration units) will be utilized, provide an alternative energy source for the TRU to allow <br /> diesel engines to be completely turned off. <br /> This project may be subject to additional District Rules not enumerated above. To identify additional rules <br /> or regulations that apply to this project, the applicant is strongly encouraged to contact the District's Small <br /> Business Assistance Office at 230-5888. <br />! District staff is available to meet with you and/or the applicant to further discuss the regulatory <br /> requirements that are associated with this project. If you have any questions or require further <br /> information, please call Mr: Hector R. Guerra, Senior Air Quality Planner, or myself at 230-5800. <br /> Sincerely, <br /> Cy Shia Echavarria <br /> Air Quality Specialist <br /> Central Region <br /> Enclosure <br /> C: File <br /> i <br />