Draft
June
2003
Checklist
for
Beginning
Grandfathered
Cryptosporidium
Monitoring
9
Sampling
location.
Does
the
intended
sample
collection
location
comply
with
the
guidance
provided
in
Section
6.2
of
the
LT2
rule
source
water
monitoring
guidance
manual?

9
Sampling
schedule.
Is
the
sample
collection
schedule
designed
to
monitor
for
Cryptosporidium
at
least
monthly,
and
in
accordance
with
the
guidance
provided
in
Section
6.3
of
the
LT2
rule
source
water
monitoring
guidance
manual?

9
Laboratory
coordination.
Have
you
verified
that
your
intended
sample
collection
schedule
can
be
accommodated
by
the
Cryptosporidium
laboratory
(
to
avoid
holding
time
problems)?

9
Matrix
spikes.
Does
the
sampling
schedule
include
collection
of
extra
volume
for
matrix
spike
samples
every
20
field
samples?

9
Method
version.
Will
the
April
2001
version
of
EPA
Method
1622
or
EPA
Method
1623
be
used
to
analyze
samples?

9
Sample
volume
issues.
Have
you
consulted
with
your
Cryptosporidium
laboratory
to
determine
whether
your
samples
are
likely
to
clog
filters
or
require
additional
"
subsample"
analyses?

9
Cryptosporidium
laboratory
qualifications.
Is
your
Cryptosporidium
sample
analysis
laboratory
approved,
or
seeking
approval,
under
EPA's
Lab
QA
Program?

9
E.
coli
laboratory
qualifications.
Is
your
utility
laboratory
certified
under
the
drinking
water
certification
program
to
perform
the
technique
that
the
laboratory
will
be
using
to
analyze
E.
coli
samples
during
Cryptosporidium
monitoring
(
techniques
include
multiple­
well,
membrane
filtration,
and
multiple
tube)?
If
the
analyses
will
be
performed
by
a
commercial
laboratory,
is
the
commercial
laboratory
certified
to
perform
the
technique?

9
Turbidity
measurements.
Will
turbidity
measurements
be
made
for
each
sample?

9
Data
reporting.
Will
your
Cryptosporidium
laboratory
be
recording
all
data
elements
specified
in
Section
7.1
of
the
LT2
rule
source
water
monitoring
guidance
manual?
