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Kevin Swanson August 21, 2006 PA-0600380(SA) Page 3 - Employee shower and locker areas for bicycle and pedestrian commuters - On-site employee cafeterias or eating areas - Exits to adjoining streets should be designed to reduce time to re-enter traffic from the project site - More information can be found at htto://www.ciwmb.ca'gov/GreenBuildinq/, htto://www.lgc.or-a , htto://www.sustainable.doe.gov/, and htto://www.consumerenergyicenter.ora/index.html • The applicant/tenant(s) should implement measures to reduce the amount of single occupancy vehicle employee traffic to and from the project area that further reduce air pollution in the valley. This could include such provisions as encouraging employees to rideshare or carpool to the project site through preferential parking spaces for employees who participate in carpooling or vanpooling, incorporating a compressed workweek schedule, guaranteed ride home, carpool matching programs, shower/changing facilities, providing free transit passes, providing an alternative-transit information center, and having a dedicated employee transportation coordinator. Check out the "Spare the Air" section of our website www.valleyair.org • 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 (CARS) 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 CARS's website at htto://www.arb.ca.gov/fuels/diesel/altdiesel/altdiesel.htm and the EPA's website at htto://www.epa.goy/oms/models/biodsi.htm. The applicant should also use CARS certified alternative fueled engines in construction equipment where practicable. Alternative fueled equipment may be powered by Compressed Natural Gas (CNG), Liquid Propane Gas (LPG), electric motors, or other CARS certified off-road technologies. To find engines certified by the CARS, see their certification website htto://www.arb.ca.goy/msoroq/offroad/cert/cert.ohp. For more information on any of the technologies listed above, please contact Mr. Chris Acree, Senior Air Quality Specialist, at (559) 230- 5829. • Construction equipment may be used that meets the current off-road engine emission standard (as certified by the California Air Resources Board (CARB), or be re-powered with an engine that meets this standard. Tier I, Tier II and Tier III engines have significantly less NOx and PM emissions compared to uncontrolled engines. To find engines certified by the CARS, see htto://www.arb.ca.gov/msoroq/offroad/cert/cert.php. This site lists engines by type, then manufacturer. The "Executive Order" shows what Tier the engine is certified as. Rule 9510 requires construction exhaust emissions to be reduced by 20 percent for NOx and 45 percent for PM10 when compared to the statewide fleet average or to pay an in lieu mitigation fee. For more information on heavy-duty engines, please contact Mr. Thomas Astone, Air Quality Specialist, at(559)230-5800.