Final Mitigated Negative Declaration and Response to Comments

standards to protect people from adverse health effects such as hearing loss and disruption of
certain activities. Noise is defined in the California Noise Control Act, Health and Safety Code,
California Code of Regulations (CCR) § 46,022 as excessive or undesirable sound made by
people, motorized vehicles, boats, aircraft, industrial equipment, construction, and other
objects.
Tahoe Regional Planning Agency (TRPA) has two sets of standards, one for single noise
events and one for cumulative noise events in the community. See Appendix F for the TRPA
Noise Event Standards tables. Single noise events are identified by source such as aircraft,
watercraft, vehicles, snowmobiles, and the like. Cumulative noise sources are identified by
land use category such as high and low density residential, commercial, industrial, urban/rural
outdoor recreation, wilderness/roadless areas, and wildlife areas. Thresholds are set in dBA
based on threshold noise for single noise events and average of background noise levels for
cumulative noise events.
There are no public or private airstrips in the vicinity of the project areas.
WOULD THE PROJECT:
a) Generate or expose people to noise levels in excess
of standards established in a local general plan or
noise ordinance, or in other applicable local, state,
or federal standards?
b) Generate or expose people to excessive groundborne
vibrations or groundborne noise levels?
c) Create a substantial permanent increase in ambient
noise levels in the vicinity of the project (above
levels without the project)?
d) Create a substantial temporary or periodic increase
in ambient noise levels in the vicinity of the project,
in excess of noise levels existing without the
project?
e) Be located within an airport land use plan or, where
such a plan has not been adopted, within two miles
of a public airport or public use airport? If so,
would the project expose people residing or working
in the project area to excessive noise levels?
f) Be in the vicinity of a private airstrip? If so, would the
project expose people residing or working in the
project area to excessive noise levels?
LESS THAN
POTENTIALLY SIGNIFICANT LESS THAN
SIGNIFICANT WITH SIGNIFICANT NO
IMPACT MITIGATION IMPACT IMPACT
Asian Clam Control Project IS/MND
Emerald Bay State Park
California Department of Parks and Recreation
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