TAF Regional Haze Plan Update

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Presentation transcript:

TAF Regional Haze Plan Update Wyoming DEQ-AQD

TSS/ WRAP Products Wyoming uses data products directly from TSS to insert into SIP and to “paint a picture” of visibility impairment in Class I for our Board and public.

Scene Monitoring Archive Example of 2000-2004 Baseline (Worst) Conditions dv = 11; Bext = 30; VR = 130 Example of 2064 Natural Conditions (Worst) dv = 7; Bext = 20; VR = 200 Episode 8/22/88 – 9/10/88 Photograph Taken 8/24/88 Episode 8/22/88 – 9/10/88 Photograph Taken 8/27/88

Summary Table for Worst Visibility Days Bridger Wilderness and Fitzpatrick Wilderness Class I Areas, Wyoming 2000-04* Baseline Conditions (Mm-1) 2064 Natural 2018 URP Base Case Sp. Days Preliminary Reasonable Progress SO4 4.99 0.82 --- 4.96 NO3 1.43 0.79 1.27 1.22 OC 10.55 4.65 8.99 10.35 EC 1.99 0.39 1.59 1.522 FS 1.1 1.07 1.17 CM 2.51 2.67 2.55 DV1 11.12 6.58 10.06 10.84 1 Unitless value. 2 Monthly weighted. * Baseline data for this site (BRID1) begins in year 2000. Source: WRAP TSS>>Resources>>Monitoring>>Aerosol Trends Tool Source: WRAP TSS>>Resources>>Modeling>>Modeling Results Browser>>Visibility Modeling>>Model Projections

Controllable NOx emissions

Controllable SOx emissions

Percent changes in emissions from Plan 02c to PRP18a Point Anthro Fire Area Area O&G On-road Non-Road Overall SOx -22.8 -39.2 38.1 -99.7 -90.4 -92.1 -20.0 NOx -9.8 -38.2 29.4 63.6 -74.8 -22.5 -14.4 OC ?? -48.1 -6.4 -53.0 -22.1

Uncontrollable emissions (as % of total) % of total Plan 02c % of total PRP 18a SOx 1.9% 2.3% NOx 5.9% 6.8% OC 82.6% 83.4%

North Absaroka – Contributions to Visibility Impairment