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December 10, 2020
Approaches for Managing Contaminated Sediments (Web-based)
Standardization of Polymeric Sampling for Measuring Freely Dissolved Organic Contaminant Concentrations in Sediment Porewater. This webinar will (1) introduce the standardized polymeric sampler methods for quantifying polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) Cfree in sediment porewater, (2) present results of the interlaboratory method demonstration performed using replicates of a single homogenized sediment sample, (3) compare polymeric sampler-determined Cfree results to porewater concentrations measured via two alternative methods (airbridge and manual porewater extraction with flocculation to remove sediment colloids prior to analysis), and (4) summarize lessons learned.
Long-Term Monitoring of Activated Carbon Amendment to Reduce PCB Bioavailability in Sediments at an Active Shipyard
This research effort involves comprehensive monitoring for seven years following implementation of the AC remedy at Pier 7 to assess the long-term effectiveness and stability of the amendment, and long-term potential for adverse impacts to the benthic community. This presentation will compare long-term monitoring results with baseline and short-term post placement results using similar assessment tools, and will offer considerations towards additional methods to support verification of AC presence over time.
Time 12:00 PM to 01:30 PM
Location Web-based
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Time Zone Eastern
 
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