Surface and Precipitation Stations - New Mexico Environment ...

Table of Contents
1.0 Introduction............................................................................................................................1-1
1.1 Objectives ..........................................................................................................................1-1
2.0 Source Description.................................................................................................................2-1
2.1 Location of Sources vs. Relevant Class I Areas ................................................................2-1
2.2 Emission Data for Modeling..............................................................................................2-3
2.2.1 Baseline Modeling .....................................................................................................2-3
2.2.2 Post Control Modeling...............................................................................................2-6
2.3 Model Versions..................................................................................................................2-6
3.0 Geophysical and Meteorological Data...................................................................................3-1
3.1 Modeling Domain ..............................................................................................................3-1
3.2 Mesoscale Model Data.......................................................................................................3-1
3.3 Surface Data Station and Processing .................................................................................3-2
3.4 Precipitation Data Stations and Processing........................................................................3-3
3.5 Geophysical Data Processing (Terrain and Land Use)......................................................3-4
3.6 CALMET Variables........................................................................................................... 3-6
4.0 Air Quality Modeling Methodology ......................................................................................4-1
4.1 CALPUFF Domain and Variables.....................................................................................4-1
4.2 Receptors............................................................................................................................4-2
4.3 Downwash..........................................................................................................................4-3
4.4 Ozone Concentrations........................................................................................................4-3
4.5 POSTUTIL and CALPOST ...............................................................................................4-3
4.5.1 Light Extinction ......................................................................................................... 4-4
4.5.2 Natural Background...................................................................................................4-4
4.5.3 Ammonia Concentrations ..........................................................................................4-4
5.0 Results....................................................................................................................................5-1
6.0 Review Process ......................................................................................................................6-1
Tables
Table 2-1 Class I Areas......................................................................................................................2-1
Table 2-2 CALPUFF Modeling Parameters Baseline Scenario ........................................................2-4
Table 2-3 Model Versions .................................................................................................................2-7
Table 4-1 Monthly Relative Humidity Factors..................................................................................4-5
Table 4-2 Average Annual Natural Background Levels....................................................................4-5
Figures
Figure 2-1 PNM Facility with respect to the Class I areas ................................................................2-2
Figure 2-2 Speciation of PM10 Emissions..........................................................................................2-5
Figure 3-1 Geophysical and Meteorological Modeling Domain .......................................................3-2
Figure 3-2 Surface Stations................................................................................................................3-3
Figure 3-3 Precipitation Stations .......................................................................................................3-4
Figure 3-4 Terrain Elevation Plot ......................................................................................................3-5
Figure 3-5 Land Use Plot...................................................................................................................3-6
Figure 4-1 CALPUFF Computational Domain..................................................................................4-2
1-1 4/13/2007