1. TAF Regional Haze Plan Update
Wyoming DEQ-AQD

2. 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.

3. Scene Monitoring Archive
Example of 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

4. Summary Table for Worst Visibility Days
Bridger Wilderness and Fitzpatrick Wilderness Class I Areas, Wyoming *
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

5. Controllable NOx emissions

6. Controllable SOx emissions

7. 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

8. 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%

9. North Absaroka – Contributions to Visibility Impairment