1. Life After the PM2.5 SIP Dave McNeill, DAQ UPA Annual Meeting January 30, 2014

2. Emission Reductions by Source Category Identified In the SLC, UT PM 2.5 SIP

4. Now What? In January 2013, EPA’s PM2.5 SIP Guidance developed under Subpart 1 was remanded. EPA is required to develop new PM2.5 SIP Guidance under Subpart IV. EPA should be finalizing that guidance in 2014.

5. Comparison Subpart I vs. IV MilestoneSubpart 1 DeadlineSubpart IV Deadline Designations effectiveDec 2009 Attainment plans dueDec 2012June 2011 Attainment date (earliest)Dec 2014Dec 2015 Reclassification to Serious (mandatory bump up) N/AJune 2016 Serious area attainment plans due N/ADec 2017 Attainment date (latest)Dec. 2019 (for severe areas)Dec 2019 (Serious areas: 10 yrs) 1-year ExtensionN/AUp to 2 Additional 5-year extensionN/ADec 2024

6. Utah Schedule – Subpart IV SIP Negotiate Requirements for “Approvable SIP” with EPA: This morning Inventory Work Done: April 1 RACT/RACM Complete: April 1 CMAQ Modeling begins: May Drafted by DAQ: June / July Proposed by AQB: August Comment Period: September Approved by AQB and Submitted to EPA: November

7. Ozone NAAQS Review EPA has revised their schedule – the best guess is that NAAQS will be proposed in 2014 and finalized by 2015. Designations will be occur in 2017. SIPs due 2020 (earliest) – based on design value (marginal / moderate / serious). Note that our PM2.5 controls will also control ozone.

8. SO 2 Implementation Guidance EPA will finalize implementation guidance “shortly.” Threshold for 1 st stage ≈ 1,900 tpy. 1 Year of on-site meteorological data collection. Modeling (CALPUFF vs. AERMOD) to identify appropriate monitoring site(s). 3 Years of ambient monitoring. Designations based on monitoring data. SIP due 3 years later. Attainment date 4 years after designation.

9. Tier III Governor’s State of the State address Tier III Vehicles ◦ Opt into Cal LEV III Program ◦ Will affect MY2017 vehicle fleet mix ◦ When/If Federal Tier III starts (2017), our fleet % Tier III cars will be 2 years advanced. Tier III Fuels ◦ State cannot “Opt in” to Cal RFG program  Controlled by Energy Policy Act of 2005  Not in the same PADD (4 vs. 5) ◦ EPA holding all the cards to calculate the benefits of Tier III Fuels ◦ CAAT recommending State identify incentives to “encourage” voluntary production

10. QUESTIONS?