Spreadsheet: 225bb100-6141-4f4e-97af-02059bfc579b
Sheet: CleanAir (FS2)

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 |  |  |  | United States Department of Agriculture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | FS1 | FS-2
 |  |  |  | Special Environmental Concerns |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Return to NRCS-CPA-52 |  |  |  | ●Clean Water Act / Waters of the U.S.
 |  | Clean Air Act - Regional Visibility Degradation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ●Coastal Zone Management
 | CLEAN AIR ACT – Regional Visibility Degradation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
 | The Clean Air Act recognizes the issue of “regional visibility degradation” as excessive concentrations of particulate matter and other pollutants in the atmosphere cause regional visibility degradation in national parks and other “Class I areas”. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Coral Reefs
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 | What is it? |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ●Endangered and Threatened Species
 | Regional visibility degradation occurs when concentrations of particulate matter, oxides of nitrogen (NOx), and sulfur dioxide (SO2) in the atmosphere hinder the ability to view distant objects or vistas.  Of these, the primary visibility-degrading pollutants of concern for agriculture are particulate matter and NOx. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ●Essential Fish Habitat
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 | Why is it important? |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Floodplain Management
 | Class I areas are areas of national or regional natural, scenic, recreational, or historic value that are given special protection under the Clean Air Act.  One of these special protections is preservation of the visibility of scenic vistas within the Class I areas.  EPA has developed the Regional Haze Rule that directs states to establish goals for improving visibility in national parks and wilderness areas.  States are required to develop long-term strategies for reducing emissions of air pollutants that cause visibility impairment.  The goals and requirements vary by state and by Class I area. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
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 | What is required? |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
 | Reducing agricultural emissions that contribute to increased concentrations of particulate matter and NOx in the air, especially from sources near a Class I area, will help mitigate agriculture’s contribution to regional haze issues.  These emissions include directly-emitted particulate matter (dust and smoke are examples) and NOx.  Additionally, emissions of ammonia and volatile organic compounds (VOCs), as well as NOx, can contribute to fine particulate matter formation in the atmosphere.  Many common NRCS practices can be used to address agriculture’s contribution to regional visibility degradation by reducing emissions of these pollutants. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Prime and [NAME]
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | [NAME]
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ●Wetlands
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
 | Regional Visibility Degradation at a Glance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ●Wild and Scenic Rivers
 | Problems/Indicators – Regional haze and poor visibility of scenic areas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Guide Sheet |  |  | Fact Sheet
 | Potential Causes |  |  |  |  |  |  |  |  | Potential Solutions
 | • Dust emissions |  |  |  |  |  |  |  |  | • Dust control, windbreaks
 | • Poor smoke management |  |  |  |  |  |  |  |  | • Proper smoke management |  |  |  |  |  |  |  |  |  |  |  |  |  | Return to start of NRCS-CPA-52 | 'CPA-52'!A3 | 'CPA-52'!A3
 | • Wind erosion |  |  |  |  |  |  |  |  | • Maintain surface residue/cover
 | • NOx emissions |  |  |  |  |  |  |  |  | • Proper maintenance and operation of combustion sources |  |  |  |  |  |  |  |  |  |  |  |  |  | Go to start of Form Instructions | Instructions!A30
 | • Ammonia emissions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Return to NRCS-CPA-52
 | • VOC emissions |  |  |  |  |  |  |  |  | • Proper nutrient and manure management |  |  |  |  |  |  |  |  |  |  |  |  |  | Go to Resource Considerations Guide Sheet | Instructions!A30 | 'ResourceConsiderations-optional'!A1
 |  |  |  |  |  |  |  |  |  | • Reductions in pesticide use |  |  |  |  |  |  |  |  |  |  |  |  |  | 'ResourceConsiderations-optional'!A1 | 'ResourceConsiderations-optional'!A1 | 'ResourceConsiderations-optional'!A1