Draft Programmatic Environmental Impact Statement/Environmental Impact Report
San Francisco Estuary Invasive Spartina Project: Spartina Control Program
April 2003

Table 3.4-2:  Summary of Potential Air Quality Effects

 

Impact

Manual Removal
(Hand pulling and manual
excavation)

Mechanical
Removal
(Excavation, dredging, and shredding)

Pruning, Hand-mowing, and Smothering

Flooding
(Diking, drowning, and salinity
variation)

Burning

Herbicide
Application

Beneficial Effects

AQ-1: Dust
Emissions.

All Alternatives: Dust generation is expected to be localized, and not affect off-site receptors, or exceed BAAQMD significance thresholds.

 

All Alternatives: Dust generation is expected to be localized, and not affect off-site receptors, or exceed BAAQMD significance thresholds.

 

All Alternatives:  Minor erosion and dust generation potential.

 

All Alternatives: Dust generation is expected to be localized during construction, and not affect off-site receptors, or
exceed BAAQMD thresholds.

 

All Alternatives:  Minor dust generation is possible during burning activities.

 

Alternatives 1, 3:  On-ground treatment would generate minor amounts of dust.

Alternative 2:  No impact.

 

N/A

AQ-2: Smoke Emissions.

All Alternatives:
No smoke emissions.

All Alternatives:
No smoke emissions
.

All Alternatives:
No smoke emissions
.

All Alternatives:
No smoke emissions.

All Alternatives:  Potentially significant smoke emissions.

 

All Alternatives:
No smoke emissions
.

N/A

AQ-3: Herbicide Effects on
Air Quality.

 

All Alternatives:
No herbicide impacts.

All Alternatives:
No herbicide impacts
.

All Alternatives:
No herbicide impacts
.

All Alternatives:
No herbicide impacts
.

All Alternatives:
No herbicide impacts.

Alternatives 1 & 3:  Chemical drift to areas within 0.5 mile of a treatment site would be a potentially significant impact.

Alternative 2:  No impact.

N/A

AQ-4: Ozone
Precursor
Emissions.

All Alternatives:
No ozone precursor emissions.

All Alternatives:  Direct and indirect vehicular or equipment-related emissions would be less than BAAQMD thresholds for ozone precursor pollutants.

 

All Alternativess:  Direct and indirect vehicular or equipment-related emissions would be less than BAAQMD thresholds for ozone precursor pollutants.

 

All Alternatives:  Direct and indirect vehicular or equipment-related emissions would be less than BAAQMD thresholds for ozone precursor pollutants.

.

All Alternatives:  Direct and indirect vehicular or equipment-related emissions would be less than BAAQMD thresholds for ozone precursor pollutants.

 

All Alternatives 1, 3:  Direct and indirect vehicular or equipment-related emissions would be less than BAAQMD thresholds for ozone precursor pollutants.

 

Alternative 2:  No impact.

 

N/A

AQ-5: Carbon Monoxide (CO) Emissions.

All Alternatives:
Traffic generated by implementation of any of the treatment methods would not lead to exceedances of CO air quality standards.

All Alternatives:
Traffic generated by implementation of any of the treatment methods would not lead to exceedances of CO air quality standards.

All Alternatives:
Traffic generated by implementation of any of the treatment methods would not lead to exceedances of CO air quality standards.

All Alternatives:
Traffic generated by implementation of any of the treatment methods would not lead to exceedances of CO air quality standards.

All Alternatives:
Traffic generated by implementation of any of the treatment methods would not lead to exceedances of CO air quality standards.

All Alternatives:
Traffic generated by implementation of any of the treatment methods would
not lead to exceedances of CO air quality standards.

N/A