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f � <br /> 4• SAN JOAQUIN VALLEY UNI <br /> FIED AIR POLLUTION CONTROL DISTRICT; <br /> a• The excavator shall implement the District's Dust Control Practices during construction <br /> o: <br /> of the processing plant and excavation to reduce PM-10 emissions: <br /> (1) All excavated and graded mat <br /> shall be sufficiently watered to prevent an excessive d <br /> g aria!, active areas of excavation, antraffic areas <br /> amount d dust being <br /> I� generated. <br /> (2) All clearing, grading, earth moving, and excavation activities shall cease during <br /> Periods of high winds.(greater than 20 mph averaged over one hour). <br /> �y..- (3) All material transported off the site shall either be sufficiently watered or securely <br /> ' I covered to prevent an excessive amount of dust being generated. <br /> (4) Weed control shall be maintained <br /> by mowing <br /> possible. instead of discing, whenever <br /> 6' (5) All inactive � � <br /> portions of the site shall be seeded and watered until vegetation is <br /> established or shall be treated with dust-retarding lignins or aggregate material <br /> not readily eroded by the wind. <br /> (S) On-site vehicle speeds shall be limited to 15 mph. <br /> (7) The excavator shall use either water or petroleum-based palliatives as a dust <br /> control measure. The use of petroleum-based palliatives shall meet the road oil <br /> requirements of the San Joaquin Valley Unified Air Pollution Control District's <br /> 409.5: 'Cutback Asphalt Paving Materials,' cY s Rule <br /> (8) The portions of Bird Road and Blewett Road adjacent to the excavation area and <br /> the entrances to the processing plant shall be swept whenever there is visible <br /> dust in order to remove silt that may have accumulated from construction or <br /> excavating activitie& <br /> i <br /> la. In order to reduce ozone precursor emissions during construction and excavation on the <br /> site, all equipment driven by internal combustion engines shall bero <br /> and well tuned according to manufacturers' specifications, p maintained <br /> 5. !,TATE DEPARTMENT OF TRANSPORTATION: <br /> aL Bird Road shall be the only access from the plant site to State Route 132 <br /> . I <br /> �'• The intersection of State Route 132 and Bird Road shall be improved to the standards of <br /> Caltrans and the County Department of Public Works. <br /> C„ There shall be no project related truck traffic permitted on Bird <br /> 132 Road north of State Route <br /> Condition;; of Approval - 12 - <br /> OX-91-5 <br />