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San Joaquin Valley Air Pollution Control District June 7, 2006 Reference No. C200601212 RECIEVED Kathy Allen JUN 9 2006 San Joaquin County Community Development Dept. Community Development Dept. 1810 East Hazelton Avenue Stockton, CA 95205 Subject: PA-0600207 (UP) —St. Bernard's Parish—12100 W. Valpico Road, Tracy(APN: 240-140-24) Dear Ms. Allen: The San Joaquin Valley Unified Air Pollution Control District(District) has reviewed the project referenced above and offers the following comments: The entire San Joaquin Valley Air Basin is designated non-attainment for ozone and particulate matter (PM10 and PM2.5). This project would contribute to the overall decline in air quality due to construction activities in preparation of the site, and ongoing traffic and other operational emissions. The project's phase and total square footage information provided in the Master Plan Submission: San Joaquin County document was not consistent. Preliminary analysis, based on this information, indicated that this project would not exceed the District's Thresholds of Significance for ozone precursors. These thresholds are 10 tons per year for either of the following two ozone precursor emissions: reactive organic gasses (ROG) or oxides of Nitrogen (NOx). However, the increase in emissions from this project, and others like it, cumulatively reduce the air quality in the San Joaquin Valley. A concerted effort should be made to reduce project-related emissions as outlined below: Based on the information provided, it appears that this project will have a less-than-significant impact on the ambient air quality. However, the proposed project will be subject to the following District rules. The following items are rules that have been adopted by the District to reduce emissions throughout the San Joaquin Valley, and are required. This project may be subject to additional District Rules not enumerated below. To identify additional rules or regulations that apply to this project, or for further information, the applicant is strongly encouraged to contact the District's Small Business Assistance Office at (209) 557-6446. Current District rules can be found at http•//www.valleyair.org/rules/1 ruleslist.htm. Rule 9510 (Indirect Source Review) This rule was adopted to reduce the impacts of growth in emissions from all new development in the San Joaquin Valley. Rule 9510 requires applicants subject to the rule to provide information that enables the District to quantify construction, area and operational PM10 and NOx emissions, and potentially mitigate a portion of those emissions. Preliminary analysis, based on the size of the church, school and supporting buildings, indicates that this project may generate emissions in excess of the Rule's 2.0 tons per year baseline for ROG and NOx that would require emissions to be reduced. An application must be filed with the District no later than concurrent with application with a local agency for the final discretionary approval. For more information and instruction, please contact the District's ISR staff by phone at(559)230-5800 or by email at ISR(cilvallevair.org. Northern Region Office Central Region Office Southern Region Office 4800 Enterprise Way 1990 East Gettysburg Avenue 2700 M Street,Suite 275 Modesto,CA 95356-8718 Fresno,CA 93726-0244 Bakersfield,CA 93301-2373 (209)557-6400 • FAX(209)557-6475 (559)230-6000 • FAX (559)230-6061 (661)326-6900 • FAX(661)326-6985 www.valleyair.org