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�. <br /> San Joaquin Valley <br /> Unified Air Pollution Control District <br /> November 5, 1996 <br /> Tom Gau NOt! 61996 <br /> San Joaquin County comma la ut, ,, , <br /> Community Development Department QLANNING'Jlldl, lc�:, <br /> Development Services Division <br /> 1810 East Hazelton Avenue <br /> Stockton, CA 95205 <br /> SUBJECT: QUARRY EXCAVATION APPLICATION (QX-96-2) <br /> Dear Mr. Gau: <br /> The San Joaquin Valley Unified Air Pollution Control District has reviewed the <br /> proposed project and was unable to determine from the information provided whether <br /> the project would have a significant impact on the ambient air quality. Based on this <br /> project's large size and the anticipated increase in truck traffic, it appears likely that this <br /> operation would exceed the District's interim threshold for significant impact for oxides <br /> of nitrogen (NOx) and possibly other pollutants. The District recommends that an air <br /> quality impact analysis be required to more accurately quantify all sources of emissions <br /> from the project and to identify feasible mitigation measures to reduce impacts. For the <br /> purposes of this analysis, emissions generated by direct sources (plant operation) and <br /> indirect sources (project related traffic) can be reported separately. The District will <br /> take into consideration the source of emissions and any mitigating factors when <br /> determining the significance of emissions generated by this facility. The District is <br /> available to provide emission factors and other information needed to prepare a <br /> complete impact analysis. <br /> Projects of this type can generate emission from the movement of soil, use of <br /> construction equipment, bulk materials handling, asphalt paving and other related <br /> activities. <br /> This project is subject to District Regulation VIII (Fugitive Dust Prohibitions). The <br /> purpose of Regulation VIII is to reduce the amount of fine particulate matter (PM-10) <br /> entrained into the ambient air from man-made sources. Specifically, the Rules within <br /> Regulation VIII that apply to this project are: Rule 8010 (Administrative Requirements), <br /> and Rule 8020 (Construction, Demolition, Excavation, and Extraction Activities). <br /> David L. Crow <br /> Executive Director/Air Pollution Conrol Officer <br /> Northern Region Central Region Southern Region <br /> CA 35356 1 99n ✓ _CStreet <br /> S-,ee. oe C• CA 93-21 2-00 M Suite 275•Bakemimid.CA 93301 <br /> .. -- _.. ',552 2C9,=9i'-000•- ^]9 3 805,862 5200-Fax.8051862 3ZOI <br /> n <br />