Section 70303.5 - Requirements for Ozone Nonattainment-Transitional(a) If an area within an air basin is designated as nonattainment for ozone, that area is designated as nonattainment-transitional for ozone if the following conditions are met: (1) The area is an entire district within an air basin, or the area is the entire portion of a district within an air basin consistent with the criteria established in section 70302(a);(2) Data for record consistent with the criteria established in section 70304(a)(2) are used to determine the number of exceedances for the previous calendar year at each monitoring location in the area;(3) All data collected during the previous calendar year are considered in the evaluation, including data possibly affected by a highly irregular or infrequent event under the procedure set forth in Appendix 2 to this article;(4) Each day with concentration(s) that exceed the state ozone standard is counted as one exceedance day; and(5) No monitoring location in the area has more than three exceedance days during the previous calendar year.(b) If an area qualifies for designation as nonattainment-transitional for ozone for the previous calendar year under section 70303.5(a), and the Executive Officer or his or her delegate has determined that data for the current calendar year indicate more than three exceedance days at any one monitoring location, that area is designated as nonattainment.Cal. Code Regs. Tit. 17, § 70303.5
1. New section filed 11-30-93; operative 12-30-93 (Register 93, No. 49).
2. Amendment of first paragraph and redesignation of subsections (a)-(d) as subsections (1)-(4) filed 8-20-96; operative 9-19-96 (Register 96, No. 34).
3. Amendment filed 8-26-99; operative 9-25-99 (Register 99, No. 35).
4. Amendment filed 6-7-2004; operative 7-7-2004 (Register 2004, No. 24).
5. Amendment of subsection (b) filed 8-26-2010; operative 9-25-2010 (Register 2010, No. 35). Note: Authority cited: Sections 39600, 39601, 39607 and 40925.5, Health and Safety Code. Reference: Sections 39607 and 40925.5, Health and Safety Code.
1. New section filed 11-30-93; operative 12-30-93 (Register 93, No. 49).
2. Amendment of first paragraph and redesignation of subsections (a)-(d) as subsections (1)-(4)filed 8-20-96; operative 9-19-96 (Register 96, No. 34).
3. Amendment filed 8-26-99; operative 9-25-99 (Register 99, No. 35).
4. Amendment filed 6-7-2004; operative 7-7-2004 (Register 2004, No. 24).
5. Amendment of subsection (b) filed 8-26-2010; operative 9-25-2010 (Register 2010, No. 35).