Quality Assurance Project Plan Including Sampling And Analysis Plan Page 55
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67Hunters Point Shipyard Parcel F ESTCP Demonstration Plan
Appendix A: Quality Assurance Project Plan
Table A-1. Schedule of Plot Sampling and Analysis
t = Months
Sampling Description
Since
Treatment
Pre-Treatment Sampling
• Collect duplicate water samples in the five plots to measure aqueous and suspended
particulate PCB concentrations in the water column during high tide.
• Deploy clams, five replicate enclosures in the five plots.
• Deploy SPMDs, five replicates in the five plots.
• Take five, two-inch diameter core samples in the five plots for analysis of TOC and
t = -1.5
sediment PCB concentrations, aqueous equilibrium PCB concentrations, and PCB
desorption rates.
• Sieve surface sediment quadrats to collect benthic community samples
• Sieve surface sediment samples to collect amphipod samples.
• Remove clams for PCB congener analysis.
t = -0.5
• Remove SPMDs for PCB congener analysis.
Mixing and AC Treatments
• Apply various treatments to four of the five plots.
t = 0
Post-Treatment Samplings
• Collect duplicate water samples in the five plots to measure aqueous and suspended
t = 0.05
particulate PCB concentrations in the water column during high tide.
• Collect duplicate water samples in the five plots to measure aqueous and suspended
t = 5
particulate PCB concentrations in the water column during high tide.
• Deploy clams, five replicate enclosures in the five plots.
• Deploy SPMDs, five replicates in the five plots.
• Take five, two-inch diameter core samples in the five plots for analysis of TOC and
t = 5.5
sediment PCB concentrations, aqueous equilibrium PCB concentrations, and PCB
desorption rates.
• Sieve surface sediment quadrats to collect benthic community samples
• Sieve surface sediment samples to collect amphipod samples.
• Remove clams for PCB congener analysis.
t = 6.5
• Remove SPMDs for PCB congener analysis.
• Collect duplicate water samples in the five plots to measure aqueous and suspended
t = 17
particulate PCB concentrations in the water column during high tide.
• Deploy clams, five replicate enclosures in the five plots.
• Deploy SPMDs, five replicates in the five plots.
• Take five, two-inch diameter core samples in the five plots for analysis of TOC and
t = 17.5
sediment PCB concentrations, aqueous equilibrium PCB concentrations, and PCB
desorption rates.
• Sieve surface sediment quadrats to collect benthic community samples
• Sieve surface sediment samples to collect amphipod samples.
• Remove clams for PCB congener analysis.
t = 18.5
• Remove SPMDs for PCB congener analysis.
Page A-
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of A-67
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