february 18, 2004 public meeting
DESCRIPTION
February 18, 2004 Public Meeting. Barge 120 Spill Buzzards Bay, Massachusetts. Technical Team. Richard J. Wozmak, P.E., P.H., LSP; GeoInsight, Inc. LSP-Of-Record Kevin Trainer, C.P.G., P.G., LSP; GeoInsight, Inc. LSP Representative, Point of Contact for reports of oil - PowerPoint PPT PresentationTRANSCRIPT
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February 18, 2004February 18, 2004Public MeetingPublic Meeting
Barge 120 Spill
Buzzards Bay, Massachusetts
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Technical Team Technical Team Richard J. Wozmak, P.E., P.H., LSP;
GeoInsight, Inc.– LSP-Of-Record
Kevin Trainer, C.P.G., P.G., LSP; GeoInsight, Inc.– LSP Representative, Point of Contact for
reports of oilWayne Kicklighter, ENTRIX
– Marine Biology
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Supporting Members Supporting Members
Mike Hickey, MADMFRichard Packard, MADEPDale Young, Massachusetts NRDA Trustee
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Presentation FormatPresentation Format
MCP IRA UpdateInitial MCP Sampling Plan and RAO
EvaluationFuture MCP Activities and DeliverablesOngoing Public OutreachSpecific Information on segments available
at booth
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MCP IRA Status ReportMCP IRA Status Report
Summarizes results of IRA activities from September through December 2003
Transmitted to DEP on February 10, 2004Included on BuzzardsBay.org website
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MCP IRA – Potentially Buried MCP IRA – Potentially Buried Oil InspectionsOil Inspections
Inspected 5 segments in December after significant storm event (nor’easter)
Inspected 7 of 9 segments in January as part of pre-scheduled dates (remaining 2 segments to be inspected in March, weather permitting)
Buried oil not encountered
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MCP IRA – IRAC Segments MCP IRA – IRAC Segments with Further Treatment with Further Treatment
Deemed FeasibleDeemed Feasible
5 segments inspected in DecemberLimited residual oil observed (e.g., limited
splatter) - did not require cleanup under IRA – no mobile oil, no imminent hazard
Segments will be inspected again in spring
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MCP IRA - Reporting of New MCP IRA - Reporting of New ConditionsConditions
No reports of new conditions
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Segment Characterization Segment Characterization ApproachApproach
Used to evaluate risk of harm to human health, safety, public welfare, and environment
Evaluate segments based on initial oiling category If conditions represent No Significant Risk –
Obtain Response Action Outcome (RAO) for the segments within the oiling category
DEP in agreement with approach
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Step 1Step 1
Develop Conceptual Site Model (CSM)– Defines oil release characteristics, mobility, deposition
and fate in environment, and potential exposures (tells the story of what happened during the release and potential exposure scenarios)
– CSM used to develop sampling and evaluation protocol (where and what media do we sample, how do we sample, what do we analyze samples for, how do we use results)
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Step 2Step 2
Break into two segment groupings– Segments that are simple to characterize due to
low initial oiling and the likelihood of limited residual oil remaining
– Segments that contain relatively higher degrees of initial oiling or have the potential for greater residual oil remaining (e.g., marshes)
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Step 3Step 3
Evaluate simple segments prior to first year anniversary date (April 27, 2004)
Evaluate more complex segments after first year anniversary date
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Simple Segment Sampling Simple Segment Sampling and Partial RAO Evaluation and Partial RAO Evaluation
PlanPlan Approach
– Evaluate Level of Risk at Segments categorized as light and very light degrees of oiling and moderately oiled beach segments
– Sample representative cross section of segments with analysis of sand substrate for petroleum chemicals
– Compare petroleum chemical concentrations to generic risk-based standards
– If below standards and condition of No Significant Risk exists submit Partial RAO for group of segments
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Simple Segment RAO Simple Segment RAO Sampling PlanSampling Plan
Segments selected for sampling based on greatest degree of oiling and distribution within communities
Sampling areas within a segment based on:– Greatest degree of oiling– Other areas to improve spatial distribution
Sampling Locations– Upper and lower intertidal zones (some middle
intertidal samples also collected)
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Simple Segment Risk Simple Segment Risk EvaluationEvaluation
Human Health Risk– Compare soil/sediment quality results to MCP Method 1 Standards
Environmental Risk – Compare soil/sediment quality results to conservative ecological standards
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Simple Segment Risk Simple Segment Risk EvaluationEvaluation
Safety Risk – Evaluate threat of physical harm or injury to public
Public Welfare – Evaluate potential for residual oil to create a condition that would limit public or community use
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Simple Segment Risk Simple Segment Risk Evaluation ResultsEvaluation Results
68 segments included in risk evaluationHuman Health Risk - soil/sediment quality
below standardsEnvironmental Risk – soil/sediment quality
below standards – further evaluating potential risk associated with terrestrial exposure
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Simple Segment Risk Simple Segment Risk Evaluation ResultsEvaluation Results
Safety Risk - slip hazard not presentPublic Welfare – Conditions not present
that would limit public or community use
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Characterization ApproachCharacterization ApproachMore Complex SegmentsMore Complex Segments
Segments include Moderately Oiled (non sandy beaches) and Heavily Oiled segments
Performed after 1st year anniversary date (April 27, 2004)
Same risk factors More comprehensive study Performed limited sampling of more complex
segments in January to aid in developing CSM and future sampling and characterization plan
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ResultsResults
Soil/Sediment Quality results generally consistent with previous results
Will be used to develop CSM and future characterization plan
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Upcoming ActivitiesUpcoming Activities
Continued Potentially Buried Oil Inspections– Next inspection dates – April and after significant
storm events between now and April
Elizabeth Islands Inspections tentatively scheduled for March – weather permitting
Spring Inspections of previously IRAC-inspected segments where further treatment deemed feasible
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Upcoming Deliverables by Upcoming Deliverables by April 27, 2004April 27, 2004
Conceptual Site Model ReportPhase I Initial Site Investigation Report Tier ClassificationPhase II CSA Scope of Work
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Public OutreachPublic Outreach
Deliverables presented in Buzzardsbay.org website upon completion
Town notification of investigation activitiesPublic meetings: Next meeting will be
scheduled for May 2004