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12.0 Glossary

Mineral Resource Zones: Zones that have been identified as having potential mineral and
aggregate resources. The State Mining and Geology Board recommends that these lands be
preserved as open space or used for interim uses to allow for future extraction.

Ministerial (Administrative) Decision: Describes a governmental decision involving little
or no personal judgment by the public official as to the wisdom or manner of carrying out
the project. The public official merely applies the law to the facts as presented, but uses no
special discretion or judgment in reaching a decision. A ministerial decision involves only
the use of fixed standards or objective measurements, and the public official cannot use
personal, subjective judgment in deciding whether or how the project should be carried out.
Common examples of ministerial permits include automobile registrations, dog licenses, and
marriage licenses. A building permit is ministerial if the ordinance requiring the permit
limits the public official to determining whether the zoning allows the structure to be built
in the requested location, the structure would meet the strength requirements in the
Uniform Building Code, and the applicant has paid his fee (State CEQA Guidelines, Section
15369).

Mitigation: Mitigation refers to (1) avoiding the impact altogether by not taking a certain
action or parts of an action; (2) minimizing impacts by limiting the degree or magnitude of
the action and its implementation; (3) rectifying the impact by repairing, rehabilitating, or
restoring the impacted environment; (4) reducing or eliminating the impact over time by
preservation and maintenance operations during the life of the action; or, (5) compensating
for the impact by replacing or providing substitute resources or environments (State CEQA
Guidelines, Section15370).

Mitigation Measure: Action taken to reduce or eliminate environmental impacts. Mitigation
includes avoiding the impact altogether by not taking a certain action or parts of an action;
minimizing impacts by limiting the degree or magnitude of the action and its
implementation; rectifying the impact by repairing, rehabilitating, or restoring the affected
environment; reducing or eliminating the impact over time by preservation and
maintenance during the life of the action; and compensating for the impact by replacing or
providing substitute resources or environments.

Mitigation Monitoring Program: When a lead agency adopts a mitigated negative
declaration or an EIR, it must adopt a program of monitoring or reporting which will ensure
that mitigation measures are implemented. (See California Public Resources Code, Section
21081.6[a]; State CEQA Guidelines, Sections 15091[d] and 15097).

Mixed Use: Properties on which various uses, such as office, commercial, institutional, and
residential, are combined in a single building or on a single site in an integrated development
project with significant functional interrelationships and a coherent physical design. A
“single site” may include contiguous properties.

Mobile Sources: A source of air pollution that is related to transportation vehicles, such as
automobiles, motorcycles, trucks, off-road vehicles, boats, and airplanes.

Moderate Income Household: A household with an annual income between the lower
income eligibility limits and 120 percent of the area median family income adjusted by

R:\Projects\PAS\CEN\000306\Draft EIR\12.0_Glossary-051017.docx 12-50 Centennial Project
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