Final Remedial Action Completion Report for the ... - Rvaap.org

Cmt.#
A-7
A-8
A-9
A-10
Page #
Line #
Appendix
C and F,
Pg 1-3
Appendix
C and F,
Pg 1-6
Appendix
C and F,
General
Appendix
C and F,
New Page
or Sheet
App C,
Section
Comment
“Adherence to the LCG
QC/MRL requirements was not
required for this
project……therefore; corrective
action was not required for
QC/MRL results outside the
LCG control limits.
The last sentence should
probably say “…each test panel
in each sample delivery group or
data package” rather than “in
each sample”.
Apparently, data qualifications
were not performed in
accordance with the LCG.
Tables 1 through 10 in the LCG
provide explicit instruction on
how the data should be qualified
based upon QC outliers.
Please also include the sample
preparation methods, where
Shaw Environmental, Inc. 8 of 39
Recommendation
MRLs would be required if the work
was contracted to follow the LCG
unless specifically stated otherwise.
Response
blank and in LCS, no
qualification was assigned.
(i) PCBs: As shown in Table 2-
2 recoveries of
decafluorobiphenyl were
outside the allowable limits
of 50-150% for samples
LL2ss-062, LL3ss-085,
LL3ss-092, LL1ss-017, and
LL3ss-073. Thus, the
results will be qualified “J”
for these samples.
(j) Explosives: Samples LL3ss-
088 and LL3ss-098 were
extracted outside the holding
time. The results of these
samples will be qualified
“J”.
This sentence was introduced
unintentionally. The statement will
be removed.
Correct if applicable. For both Appendix C and F, this
sentence in Section 1.3 has been
revised to state: “..each test panel in
each sample delivery group or data
Review the LCG guidelines for the
qualification of analytical data.
package..”
The LCG guidelines for data
qualification will be reviewed and a
section summarizing data
qualifications will be included in
Appendix C and F. For text to be
included in these appendices, please
see response to Comment A-6.
Include. The report will be revised to include
sample preparation method when