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5.11 Air Resources

residents would be provided with a notice disclosing this potential risk and describing
strategies to avoid potential exposure to Valley Fever spores during construction or other
earth-moving activities. Additionally, as required by AVAQMD Rule 403, a Supplementary
Dust Control Plan is required to minimize emissions of respirable particulate matter near
sensitive receptors. Measures in the supplementary plan may include, but not be limited to
additional watering of active grading areas and disturbed areas; stopping operations when
winds exceeding ten miles per hour are in the direction from the grading towards the
receptors; and/or other effective measures.

At the completion of construction activities, risks of exposure to Valley Fever would be
reduced for those living on the Project site and adjacent to the Project site due to the
replacement of undeveloped land with urban development, irrigated landscaping, and paved
areas, that would have reduced risks of fugitive dust generation and the associated risk of
Valley Fever. Valley Fever spores have a reduced chance of becoming airborne in areas that
are irrigated, vegetated with groundcover, covered with hardscapes or pavement, or
urbanized with relatively little undisturbed soil (KCPHSD2015). Therefore, once the Project
is completed and the landscaping is established, residents and visitors on the Project site
would not have an increased risk of exposure to Valley Fever when compared to the existing
conditions.

Therefore, with implementation of PDF 3-1 (from Section 5.3, Hazards and Fire Safety),
AVAQMD and SCAQMD Rule 403 requirements, MM 3-1, and MM 3-2 (from Section 5.3), the
potential for exposure to Valley Fever spores from construction of the Project would be
reduced to the maximum extent feasible and would be considered a less than significant
impact.

Impact Summary: Exposure to Valley Fever. During construction of the Project,
implementation of AVAQMD and SCAQMD Rules for fugitive dust
control, and MMs 3-1 and 3-2 (from Section 5.3, Hazards and Fire
Safety)would result in a less than significant impact for exposure of
construction workers, site occupants, and adjacent off-site persons to
Valley Fever. Additionally, implementation of PDF 3-1, as implemented
through MM 3-3, would result in a less than significant impact to future
on-site residents.

Operations

Criteria Pollutant Emissions from On-Site Stationary Sources

The potential for the Project’s stationary sources during operations to exceed ambient air
quality standards is analyzed above under Threshold 11-1 (see Operations, Ambient Air
Quality Standards –Stationary Sources). The analysis concludes that, with the limitations on
the number and size of Project stationary sources through MM 11-1, the emissions from
these sources would not exceed established ambient air quality standards and therefore
would result in a less than significant impact.

R:\Projects\PAS\CEN\000306\Draft EIR\5.11 Air Resources-051117.docx 5.11-67 Centennial Project
Draft EIR