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Air Quality Control measures will be implemented to comply with the San Joaquin Valley Unified Air Pollution Control District(SJVUAPCD) Regulation VIII Control Measures for construction emissions of PM-10 contained in Table 8021-2 of the 2001 SJVUAPCD Rule 8021 "Construction, Demolition, Excavation, Extraction, and other Earth Moving Activities" guidance (adopted November 15, 2001), as applicable. The following control measures shall be observed during project activities: • All disturbed areas, including storage piles, that are not being actively utilized for construction purposes, shall have dust emissions effectively stabilized using water, chemical stabilizer/suppressant, or vegetative ground cover. • All on-site unpaved roads and off-site unpaved access roads shall have dust emissions effectively stabilized using water or chemical stabilizer/suppressant. • All land clearing, grubbing, scraping, excavation, land leveling, grading, cut and fill, and demolition activities shall have fugitive dust emissions effectively stabilized utilizing water application or by presoaking. • When materials are transported off site, all material shall be effectively wetted and covered to limit visible dust emissions, or at least 6 inches of freeboard space from the top of the container shall be maintained. • All operations shall limit or expeditiously remove the accumulation of mud or dirt from adjacent public streets at least once a month when operations are occurring. The use of dry rotary brushes should be limited except where preceded or accompanied by sufficient wetting to limit the visible dust emissions. • Following the addition of materials to, or the removal of materials from, the surface of outdoor storage piles, said piles shall have fugitive dust emissions effectively stabilized using sufficient water or chemical stabilizer/suppressant. • Traffic speeds on unpaved roads shall not exceed 15 mph. • To the extent feasible, the area subject to excavation, grading, and other construction activity at any one time will be limited. The following measures will be implemented as part of the proposed project to reduce the impacts of ozone precursor emissions from construction equipment exhaust. • When feasible, use alternative fuel construction equipment. • Minimize idling time to a maximum of 10 minutes when construction equipment is not in use. • To the extent practicable, minimize operation of heavy-duty equipment to reduce emissions. • When feasible, use low-emission on-site station equipment. With implementation of these measures, particulate emissions from fugitive dust and construction emissions during sediment excavation and removal activities will be reduced to a less-than-significant level. 53