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Ms.Hatef August 28,2006 PA-0600066(SA) Page 2 Rule 4102 (Nuisance) applies to any source operation that emits or may emit air contaminants or other materials. In the event that the project or construction of the project creates a public nuisance, it could be in violation and be subject to District enforcement action. Rule 4601 (Architectural Coatings) limits volatile organic compounds from architectural coatings. This rule species architectural coatings storage, clean up and labeling requirements. Rule 9510 (Indirect Source Review) This rule was adopted to reduce the impacts of growth in emissions from all new development in the San Joaquin Valley. Rule 9510 requires applicants subject to the rule to provide information that enables the District to quantify construction, area and operational PM10 and NOx emissions, and potentially mitigate a portion of those emissions. An application must be filed with the District no later than concurrent with application with a local agency for the final discretionary approval. For more information and instruction, please contact the District's ISR staff by phone at(559) 230-5800 or by email at ISR(&vallevair.org. The District encourages innovation in measures to reduce air quality impacts. There are a number of features that could be incorporated into the construction of this project to provide additional reductions of the overall level of emissions. The suggestions listed below should not be considered all-inclusive and remain options that the agency with the land-use authority should consider: • The District encourages the applicant and fleet operators using the facility to take advantage of the District's Heavy-Duty Engine program to reduce project emissions. The Heavy Duty program provides incentives for the replacement of older diesel engines with new, cleaner, fuel-efficient diesel engines. The program also provides incentives for the re-power of older, heavy-duty trucks with cleaner diesel engines or alternative fuel engines. New alternative fuel heavy-duty trucks also qualify. For more information regarding this program contact the District at (559) 230-5858 or visit our website at http://www.vallevair.orq/transportation/heavydutyidx.htm. • The applicant should require that all diesel engines be shut off when not in use on the premises to reduce emissions from idling. The applicant should install equipment that provides amenities that would otherwise be powered by idling engines. An example of such technology includes IdleAire. See http://www.idleaire.com/. • Construction activity mitigation measures include: - Limit area subject to excavation, grading, and other construction activity at any one time - Limit the hours of operation of heavy duty equipment and/or the amount of equipment in use - Replace fossil-fueled equipment with electrically driven equivalents (provided they are not run via a portable generator set) - Require that all diesel engines be shut off when not in use to reduce emissions from idling. - Curtail construction during periods of high ambient pollutant concentrations; this may include ceasing of construction activity during the peak-hour of vehicular traffic on adjacent roadways, and "Spare the Air Days" declared by the District. - Implement activity management(e.g. rescheduling activities to reduce short-term impacts) - During the smog season (May through October), lengthen the construction period to minimize the number of vehicles and equipment operating at the same time. - Off road trucks should be equipped with on-road engines when possible. - Minimize obstruction of traffic on adjacent roadways. • Construction equipment may be powered by diesel engines fueled by alternative diesel fuel blends or Ultra Low Sulfur Diesel (ULSD). The California Air Resources Board (CARB) has verified specific alternative diesel fuel blends for NOx and PM emission reduction. Only fuels that have been certified by CARB should be used. Information on biodiesel can be found on CARB's website at hftp://www.arb.ca.gov/fuels/diesel/altdiesel/altdiesel.htm and the EPA's website at http://www.epa.gov/oms/models/biodsl.htm. The applicant should also use CARB certified alternative fueled engines in construction equipment where practicable. Alternative fueled equipment may be powered by Compressed Natural Gas (CNG), Liquid Propane Gas (LPG),