2.
Response
to
Comment
2.4
Master
Responses
to
Comments
to
landfill
closure
include
placement
of
a
final
cover
system
over
the
landfill,
landfill
gas
control,
and
leachate
control.
Regulatory
Authority
Regulatory
authority
for
site
remediation
and
Title
27
landfill
closure
is
identified
in
the
Draft
EIR
Figure
4.G-1.
As
shown,
the
California
Department
of
Toxic
Substances
Control
(DTSC)
has
the
regulatory
authority
to
oversee
remediation
of
The
Regional
Water
Quality
Control
Board
for
the
San
Francisco
Bay
Region
(RWQCB)
has
the
regulatory
authority
to
oversee
remediation
of
Regulatory
authority
for
Title
27
closure
of
the
former
landfill
rests
with
the
RWQCB
and
the
San
Mateo
County
Health
System
in
its
role
as
the
local
enforcement
agency
(LEA)
on
behalf
of
the
CalRecycle
(formerly
the
California
Integrated
Waste
Management
Board).
Responsibilities
of
DTSC,
RWQCB,
and
San
Mateo
County
Health
System
for
site
remediation
and
Title
27
landfill
closure
include:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Reviewing
existing
studies
to
determine
whether
any
additional
characterization
studies
are
needed
for
site
remediation
or
landfill
closure;
Setting
risk-based
cleanup
goals
for
the
land
uses
approved
by
the
City
of
Brisbane;
Reviewing
and
approving
plans
for
site
remediation
and
landfill
closure;
Undertaking
project-level
CEQA
review
for
the
remediation
of
and
as
well
as
the
Title
27
closure
of
the
former
landfill;
Overseeing
the
physical
remediation
of
and
as
well
as
the
Title
27
closure
of
the
former
landfill;
Certifying
completion
of
site
remediation
and
Title
27
landfill
closure;
and
Undertaking
such
post-remediation
and
closure
activities
as
are
necessary
to
ensure
public
health.
While
the
City
of
Brisbane
maintains
land
use
authority
over
the
Baylands,
it
does
not
have
the
authority
to
set
remediation
standards,
nor
does
it
have
the
authority
to
determine
specific
technologies
to
be
employed
or
to
approve
Remedial
Action
Plans
(RAPs)
or
plans
for
Title
27
landfill
closure.
Title
27
Landfill
Closure
Pursuant
to
existing
regulations,
the
RWQCB
and
the
San
Mateo
County
Health
System
are
required
to
ensure
that
Title
27
closure
of
the
former
Brisbane
Landfill
addresses:
(1)
(2)
(3)
The
lack
of
a
low
permeability
engineered
landfill
cap
compliant
with
Title
27;
The
presence
of
leachate
and
the
requirement
to
prevent
any
increases
in
leachate
that
exceed
any
regulatory
thresholds;
Hydrologic
connectivity
to
groundwater
and
surface
water,
primarily
the
Central
Drainage
Channel;
Brisbane
Baylands
Final
EIR
2.4-37
May
2015