FINAL SAMPLING AND ANALYSIS PLAN - Documents for Moffett Field

in the data package deliverables and
evaluated during data validation.
Further, revise the SAP to ensure
that second column confirmation
information is provided for PCB
analysis.
9 Checklists The SAP does not contain data
verification and quality control
(QC) checklists. Revise the SAP to
provide all data verifications and
QC checklists as discussed in
Section 5 of the UFP QAPP Manual
(Data Review Elements).
Specific Comments
1 Page 10-2 Worksheet 10 Problem
Definition
2 Page 11-1 Worksheet #11 - Table 11-1,
Data Quality Objectives
Summary Pre-Construction and
Confirmation Sampling
3 Page 12-1 through 12-2 Worksheet #12 -
Measurement Performance
Criteria Table
In the first sentence of the fourth
paragraph please change
"eliminate" to "address" or some
other word that indicates that the
risk will be greatly reduced, but not
completely eliminated. Also, in the
fifth paragraph please clarify that
there have been no impacts to
groundwater from PCBs, lead, or
asbestos. There is evidence to
suggest that the regional plume
extends under the footprint of the
Hangar.
Please change "eliminate" to
"address" or similar language for
Step 1 as noted in Specific
Comment 1.
This worksheet does not include
any QC samples for asbestos.
Revise the table to include QC
samples for the asbestos analysis
(e.g., confirmation of the
Data verification information as
described in Section 5 of the UFP-
QAPP manual is presented in
Worksheet 34.
Comment noted. The word
“eliminate” will be replaced with
“address” in the first sentence of
the fourth paragraph.
The first sentence of the fifth
paragraph will be revised as “It
should be noted … there have been
no impacts on groundwater from
PCBs, lead, or asbestos; …”.
Comment noted. The word
“eliminate” will be replaced with
“address”.
Comment noted. Worksheet 12
will be revised.
Response to Comments on Draft Sampling and Analysis Plan
Moffett Field, California
DCN: AMEC-8816-0005-0040
April 2010
Page 8 of 10