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San Joaquin Valley <br /> Air Pollution Control District <br /> October 23, 2002 OCT 2 5 4W <br /> Chandler Martin <br /> COgMlpU1717y Lie veloGme <br /> San Joaquin County Rlllepi <br /> Community Development Department <br /> Development Services Division <br /> 1810 East Hazelton Avenue <br /> Stockton, CA 95205 <br /> SUBJECT: PA-0200370 (OX) QUARRY EXCAVATION APPLICATION FOR <br /> GEORGE REED, INC. <br /> Dear Mr. Martin: <br /> The San Joaquin Valley Air Pollution Control District (District) has reviewed the <br /> proposed project and offers the following comments: <br /> The San Joaquin Valley's air quaiity has been designated nonattainment by the EPA <br /> and by the Air Resources Board (ARB) for 03 (ozone) and PM-10 (fine particulate <br /> matter, dust). The Federal Clean Air Act (CAA) and the California Clean Air Act require <br /> areas that are designated nonattainment to reduce emissions until standards are met. <br /> Based on the information provided, it appears that this project does not represent an <br /> expansion, but only additional phases to an existing quarry operation. Therefore, <br /> provided the current operation is not expanded, this project will most likely result in no <br /> net increase in emissions and therefore represents a less-than-significant impact of the <br /> ambient air quality and a negative declaration would be appropriate from an air quality <br /> perspective. Please note, however, that the California Air Resources Board has <br /> identified the particulate matter component of diesel exhaust as a Toxic Air <br /> Contaminant. As a result, projects using large numbers of diesel engines onsite or that <br /> have large numbers of idling trucks could result in a negative impact on sensitive <br /> receptors if any are located near the project site. The ARB is currently developing <br /> guidance for evaluating this type of impact. <br /> The construction/operational phase of this project can generate emissions from the <br /> movement of soil, use of heavy equipment, bulk materials handling, asphalt paving and <br /> other related activities. As a result, this project is subject to District Regulation VIII <br /> (Fugitive Dust Prohibitions). The purpose of Regulation VIII is to reduce the amount of <br /> fine particulate matter (PM-10) entrained into the ambient air from man-made sources. <br /> Regulation VIII has recently been revised, with the revisions becoming effective May 15. <br /> 2002. The applicant may review these changes on the District web site at <br /> David L. Cro,, <br /> Executive Director/Air Pollution Control Officer <br /> Central Region Office Southern Reeler. O$¢c <br /> Northern Region Office ?700 Ni Street. iuite 175 <br /> 11;t0 Kiernan Acenuc. Suite 130 1990 East CA 93 urk Avenue <br /> Modesto, CA 95336-9121 Fresno, CA 937_'ti-0244 Bakersfield. Cay gl,2326 <br /> -,7-6300 • FAX (209; 337.6471 1-69) 230-6000 • FAX 15391 230-6061 16611 326-6900 • fat X61; 3'26-6985 <br /> " � www. aller air.or� <br />