November 9, 2017 Lower 8.3 Miles of the Lower Passaic River Operable Unit 2 Presentation to The Passaic River Community Advisory Group
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Transcript
November 9, 2017
Lower 8.3 Miles of the Lower Passaic River Operable Unit 2
Presentation to The Passaic River Community Advisory Group
Agenda
•Sediment sampling schedule and objectives
•Sample collection metrics
•Sediment sampling locations and progress
•Sampling vessels in use
Sediment Sampling Schedule and Objectives
Sediment Sampling Timeline
Activity
• Pre-mobilization activities
• Mobilization and Site Set-up
• Sediment Sampling
• Laboratory Analyses
Timeframe
• Early August to Early October
• Early to mid-October
• Mid-October to early January 2018
• Late October to late January
Sediment Core Collection and Data Analysis
Sediment cores collected to provide input to dredging and engineered capping design, dredged material handling, dewatering, transportation & disposal planning
•Chemical analysis
•Geotechnical characterization
•Waste characterization
Sample Collection Metrics through November 8, 2017
Sediment core locations planned: 958
Sediment core locations completed: 341 or 36%
Sediment cores collected: 341 for sediment chemistry98 for waste characterization26 for geotechnical data5 DRET/CST
Samples sent to the laboratory: 3,385
Sediment sample analysis types: 3,056 for chemistry235 for waste characterization94 for geotechnical data
Sediment cores collected with Sonic Rig: 30 locations
Sediment cores collected with Vibracore: 146 locations
Sediment cores collected manually: 165 locations
Sediment Sampling Locations and Progress
Sediment Sampling Vessels in Use
The three pontoon boats used for sample collection
Pontoon boats moored at the river access barges
Vibracore Sampling
Vessel awaiting use for sampling
Pontoon boat departing from base barge
Pontoon boat departing from base bargeBarge mounted sonic drill rig
Barge mounted sonic drill rig
Vibracore SamplingBarges used for river access and egress at the Clean Earth property
Sonic Drill Rig Courtesy of Ann Arbor Technical Services (ATS)Access ramp at the Clean Earth property
Core logging at 80-120 Lister Avenue
Sample processing and prep for lab at 80-120 Lister Avenue
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