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The Health and Related Economic The Health and Related Economic - - PowerPoint PPT Presentation
The Health and Related Economic The Health and Related Economic - - PowerPoint PPT Presentation
The Health and Related Economic The Health and Related Economic Benefits of Attaining Healthful Air in Benefits of Attaining Healthful Air in the San Joaquin Valley the San Joaquin Valley Jane Vise Hall and Victor Brajer Jane Vise Hall and
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SJV Air Quality Status SJV Air Quality Status
- Ozone
Ozone
- Ozone NAAQS
Ozone NAAQS Exceedances Exceedances are frequent are frequent
- SJV is classified as a “Serious”
SJV is classified as a “Serious” Nonattainment Nonattainment Area for 8 Area for 8-
- hr NAAQS
hr NAAQS
- New Air Quality Management Plan, due in
New Air Quality Management Plan, due in 2007, will try to achieve compliance by 2013 2007, will try to achieve compliance by 2013
- Major Issue
Major Issue – – No downward trend in recent No downward trend in recent years years
3 Source: SJVUAPCD
Days Above the Federal 8 Days Above the Federal 8-
- hr Ozone
hr Ozone Standard in the San Joaquin Valley Air Basin Standard in the San Joaquin Valley Air Basin
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SJV Air Quality Status SJV Air Quality Status
- PM
PM
- Daily and Annual PM2.5 NAAQS are
Daily and Annual PM2.5 NAAQS are exceeded in the SJV exceeded in the SJV
- Area is classified as “Serious”
Area is classified as “Serious” Nonattainment Nonattainment for PM2.5 for PM2.5
- New Air Quality Management Plan, due in
New Air Quality Management Plan, due in 2008, will try to achieve compliance by 2013 2008, will try to achieve compliance by 2013
- Compliance with the PM2.5 NAAQS will be
Compliance with the PM2.5 NAAQS will be more difficult than with the PM10 standards more difficult than with the PM10 standards
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Annual Average PM2.5 in SJV Annual Average PM2.5 in SJV
5 10 15 20 25
Stockton Modesto Merced Clovis Fresno - 1st St. Fresno - Hamilton Visalia Corcoran Bakersfield - Golden St. Bakersfield - Calif. Ave Bakersfield - Planz
Location
Concentration (ug/m3) . 2002 2003 2004 NAAQS
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98 98th
th Percentile 24
Percentile 24-
- hour average
hour average PM2.5 Concentrations PM2.5 Concentrations
10 20 30 40 50 60 70 80 90 100
Stockton Modesto Merced Clovis Fresno - 1st St. Fresno - Hamilton Visalia Corcoran Bakersfield - Golden St. Bakersfield - Calif. Ave Bakersfield - Planz
Location
Concentration (ug/m3) 2002 2003 2004 NAAQS
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Exposure Approach Exposure Approach
Baseline Air Quality Baseline Air Quality
- 2002
2002-
- 2004 Measurement Data in and
2004 Measurement Data in and Around SJV Air Basin Around SJV Air Basin
- Create Spatial Maps of Ambient Air
Create Spatial Maps of Ambient Air Quality Data Quality Data
- Hourly Ozone Maps
Hourly Ozone Maps
- Daily and annual PM2.5 Maps
Daily and annual PM2.5 Maps
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Exposure Approach Exposure Approach
Future Air Quality Future Air Quality
- Determine Design Values (3 yr averages)
Determine Design Values (3 yr averages)
- Project future year concentrations that
Project future year concentrations that comply with standards using Rollback comply with standards using Rollback Population Population
- 2000 census data
2000 census data gridded gridded and adjusted and adjusted to reflect the 2004 population to reflect the 2004 population
- Grid, county, age and race/ethnicity
Grid, county, age and race/ethnicity breakdown breakdown
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NAAQS Reduction Requirements NAAQS Reduction Requirements
65.5 65.5 73.2 73.2 6 6 PM PM2.5
2.5 24
24-
- hr
hr – –Previous Previous 35.5 35.5 73.2 73.2 6 6 PM PM2.5
2.5 24
24-
- hr (
hr (µ µg/m g/m3
3)
) 15.5 15.5 20.6 20.6 6 6 PM PM2.5
2.5 Annual (
Annual (µ µg/m g/m3
3)
) 85 85 116.7 116.7 40 40 Ozone 8 Ozone 8-
- hr (ppb)
hr (ppb)
Future Future Value Value Design Design Value Value Background Background
NAAQS NAAQS
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Gridded Gridded Population Population
Grid System SJV Air Basin 2000 Population Density
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Ambient Air Quality Monitor Locations Ambient Air Quality Monitor Locations
PM2.5 Ozone
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Spatially Mapped Annual Average PM2.5 Spatially Mapped Annual Average PM2.5 Concentrations for 2002 Concentrations for 2002
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Exposure Approach Exposure Approach
Regional Human Exposure (REHEX) Model Regional Human Exposure (REHEX) Model
- Computes frequencies of population exposures on a
Computes frequencies of population exposures on a spatial grid spatial grid
- These REHEX simulation are for ambient exposures.
These REHEX simulation are for ambient exposures. They do not account for the modifying effects of They do not account for the modifying effects of buildings and vehicles, indoor sources, or human buildings and vehicles, indoor sources, or human time time-
- activity patterns on personal exposures.
activity patterns on personal exposures.
- Results computed for averaging times associated
Results computed for averaging times associated with exposure with exposure-
- response functions
response functions
– – 1 1-
- hr daily maximum
hr daily maximum – – 5 5-
- hr daily maximum
hr daily maximum – – 8 8-
- hr daily maximum
hr daily maximum – – 10 AM 10 AM – – 6 PM 6 PM – – 24 24-
- hr average
hr average – – Annual average Annual average
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Persons Persons-
- days per Year of Exposure to 8
days per Year of Exposure to 8-
- hr Ozone
hr Ozone Above Various Concentration Thresholds Above Various Concentration Thresholds
10,000 100,000 1,000,000 10,000,000 100,000,000 1,000,000,000 40 50 60 70 80 90 100 110 120 130 140 8-hr Daily Maximum Ozone Concentration Threshold (ppb) 2002 - 2004 Baseline Future 8-hr NAAQS Attainment
8-hr Ozone NAAQS
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Persons Persons-
- days per Year of Exposure to 24
days per Year of Exposure to 24-
- hr PM2.5
hr PM2.5 Above Various Concentration Thresholds Above Various Concentration Thresholds
10,000 100,000 1,000,000 10,000,000 100,000,000 1,000,000,000 10 20 30 40 50 60 70 80 90 24-hr Average PM2.5 Concentration Threshold (ug/m3) Person-days per year above threshold . 2002 - 2004 Baseline Future 24-hr NAAQS Attainment
24-hr PM2.5 NAAQS
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Persons Exposed to Annual Average PM2.5 above Persons Exposed to Annual Average PM2.5 above Various Concentration Thresholds Various Concentration Thresholds
10,000 100,000 1,000,000 10,000,000 10 12 14 16 18 20 22 24 26 Annual Average PM2.5 Concentration Threshold (ug/m3)
2002 - 2004 Baseline Future Annual NAAQS Attainment
Annual PM2.5 NAAQS
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Person Person-
- days per Year of Population Exposure to 8
days per Year of Population Exposure to 8-
- hour
hour Daily Maximum Ozone Concentrations above 85 ppb Daily Maximum Ozone Concentrations above 85 ppb
2002 – 2004 Baseline Future NAAQS Attainment
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Person Person-
- days per Year of Population Exposure to
days per Year of Population Exposure to 24 24-
- hour PM2.5 concentrations above 35
hour PM2.5 concentrations above 35 µg/m3 µg/m3
2002 – 2004 Baseline Future NAAQS Attainment
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Persons Exposed To Annual Average PM2.5 Persons Exposed To Annual Average PM2.5 Concentrations Above 15 µg/m3 Concentrations Above 15 µg/m3
Future NAAQS Attainment 2002 – 2004 Baseline
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Person Person-
- days of Exposure to 8
days of Exposure to 8-
- hr Ozone
hr Ozone above 85 ppb (in millions per year) above 85 ppb (in millions per year)
10.8 Tulare County 0.04 3.4 Madera County 4.6 Merced County 2.6 Kings County 2.1 Stanislaus County 0.3 San Joaquin County 0.04 19.7 Kern County 0.21 25.5 Fresno County 0.29 69 SJV Air Basin With NAAQS Attainment 2002 – 2004 Baseline Region
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Person Person-
- days of Exposure to 24
days of Exposure to 24-
- hr PM2.5
hr PM2.5 above 35 µg/m3 above 35 µg/m3 (in millions per year) (in millions per year)
0.10 14.8 Tulare County 0.02 5.9 Madera County 6.6 Merced County 0.03 5.6 Kings County 0.83 15.3 Stanislaus County 0.01 10.7 San Joaquin County 1.37 31.4 Kern County 1.23 36.3 Fresno County 3.59 126.6 SJV Air Basin With NAAQS Attainment 2002 – 2004 Baseline Region
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Persons Exposed to Annual Average Persons Exposed to Annual Average PM2.5 above 15 µg/m3 (in thousands) PM2.5 above 15 µg/m3 (in thousands)
102 364 Tulare County 135 Madera County 148 Merced County 41 134 Kings County 155 Stanislaus County 180 San Joaquin County 194 584 Kern County 183 785 Fresno County 521 2,486 SJV Air Basin With NAAQS Attainment 2002 – 2004 Baseline Region
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Days per year Above Concentration Days per year Above Concentration in 2002 in 2002-
- 2004 by Racial/Ethnic Group
2004 by Racial/Ethnic Group
5 10 15 20 25 30 35 40 45 8-hr O3 > 85 ppb 24-hr PM2.5 > 35 ug/m3 Days per Year Above Concentration All White Black Hispanic Other
Ozone PM2.5
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Days per year Above Concentration Days per year Above Concentration in 2002 in 2002-
- 2004 by Age Group
2004 by Age Group
5 10 15 20 25 30 35 40 8-hr O3 > 85 ppb 24-hr PM2.5 > 35 ug/m3 Days per Year Above Concentration
All Ages Children <1 yrs Children 1 yr Children 2-4 Yrs Children 5-17 Yrs Children 18-21 Yrs Adults 22-29 Yrs Adults 30-64 Yrs Adults >64 Yrs
Ozone PM2.5
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Days per year Above Concentration Days per year Above Concentration in 2002 in 2002-
- 2004 by County
2004 by County
5 10 15 20 25 30 35 40 45 50 55 8-hr O3 > 85 ppb 24-hr PM2.5 > 35 ug/m3 Days per Year Above Concentration
SJV Air Basin San Joaquin County Stanislaus County Merced County Madera County Kings County Tulare County Fresno County Kern County
Ozone PM2.5