Quality Assurance Project Plan Including Sampling And Analysis Plan Page 32
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67Hunters Point Shipyard Parcel F ESTCP Demonstration Plan
Appendix A: Quality Assurance Project Plan
EAE-001
Where E is the year 2005 (F-2006, G-2007, H-2008)
AE is the Survey Number
001 is a unique, sequential number
Sample labels must include a unique sample identification number (EAE-XXX), sample type (core,
clams, SPMD, filter, or XAD column), collection date, sample collector’s name, container number and
total number of containers (e.g., 1 of 2, 2 of 2). An example is provided below.
ESTCP DP Project
Unique Sample ID: EAE-___
___
Location ID____________________________
Sample Type (circle one)
Core / Clams / Amphipods / Quadrat / SPMD /filter / XAD/
Date: __________ Time: ___________
Sample Collector:__________________
Container_____________of____________
A.3.3.3
Sample Handling
During sample collection and handling, field personnel will wear polyethylene or latex gloves gloves
during all sampling collection activities that involve sediment. Gloves should be changed often.
Sample holding conditions and holding times are detailed in Table A-6. Holding times are calculated from
the time of sample collection. Documentation must be sufficient to track sample holding, processing, and
analysis times to ensure that holding times are met. Documentation of sample collection must include
both date and time. The following sample handling requirements must be met for all samples:
•
Samples must be held in a controlled area with limited access; and,
•
Deviations from the defined storage requirements must be documented and reported with the
data.
A.3.3.3.1
SPMD Sample Handling
SPMDs will be rinsed gently with site water to remove sediments attached to the outer surface, taking
care not to puncture the surface. The SPMD will be placed in a glass container with a Teflon™-lined lid.
SPMDs will be stored at 4°C until analysis at Stanford.
A.3.3.3.2
M. nasuta Sample Handling
Living clams shall be removed from tubes and transferred to a vented polyethylene jar that contains clean
water. The clams will be transported to Stanford University and allowed to depurate in clean water for 48
hours at ambient temperatures. After depuration, each surviving clam will be shucked and each resulting
clam tissue will be placed into a separate pre-cleaned 20 mL scintillation vial. The vials containing a
single clam tissue will be immediately placed in a -10°C freezer. Once frozen, the samples will be
shipped overnight (on dry ice in a cooler) to ERDC. At ERDC each set of six (or total number surviving)
clams that came from a given clam tube will be homogenized and split. Half will be shipped to BDO for
archival at -10°C; while the other half will be analyzed at ERDC. If the survival is less than three clams
Page A-
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of A-67
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