Fairbanks Areawide Industrial Fairbanks Areawide Industrial Reclamation ProjectReclamation Project

ADEC AREAWIDE ADEC AREAWIDE MANAGEMENT GOALSMANAGEMENT GOALS

Janice WiegersJanice WiegersADECADEC

Areawide vs. Site Specific Areawide vs. Site Specific ApproachApproach Sites viewed in

context with others, not individually

Data can be shared, eliminating redundancy

Co-mingling issues more easily resolved

Variability of scale allows new information to emerge

For ADECFor ADEC Map site locationsMap site locations Determine site status (open, closed, Determine site status (open, closed,

how much work is needed)how much work is needed) Identify preliminary data gapsIdentify preliminary data gaps Identify PRPsIdentify PRPs

Possibly involved in data collection, Possibly involved in data collection, investigation, coordination, cleanup investigation, coordination, cleanup if necessaryif necessary

Fairbanks AreawidesFairbanks Areawides

Common ADEC Common ADEC Requirements for All Requirements for All Responsible PartiesResponsible Parties

1)1) Delineate nature and extent (18 AAC Delineate nature and extent (18 AAC 75.335)75.335)

2)2) Evaluate risk to current and future land Evaluate risk to current and future land usersusers

3)3) Protection of current & future land users Protection of current & future land users through ICs through ICs

4)4) Cleanup and management plansCleanup and management plans5)5) Consistent and compatible reporting for Consistent and compatible reporting for

purposes of information disseminationpurposes of information dissemination

Proactive and solution orientedProactive and solution oriented

1) Delineate contamination1) Delineate contamination Identify Identify allall possible sources and COCs possible sources and COCs Identify conditions that could result in Identify conditions that could result in

ongoing releases (buried piping, tanks, ongoing releases (buried piping, tanks, abandoned injection wells, etc.)abandoned injection wells, etc.)

Delineate extent of contaminants in Delineate extent of contaminants in soil soil and and groundwater (on and off-groundwater (on and off-property)property)

Long-term monitoring necessary to Long-term monitoring necessary to

monitor groundwater qualitymonitor groundwater quality

FAIR Coordinated SamplingFAIR Coordinated Sampling

Spring Sampling – 3Spring Sampling – 3rdrd week in April week in April Fall Sampling – 3Fall Sampling – 3rdrd week in week in

SeptemberSeptember Common benchmark for groundwater Common benchmark for groundwater

elevationelevation

ProblemsProblems Shared groundwater data (EDDs)Shared groundwater data (EDDs) Shared reporting (currently handled Shared reporting (currently handled

by DEC)by DEC)

FAIR FAIR CoordinateCoordinated Sampling d Sampling GeneralGeneralResultsResults

Product present on every site

Dissolved Benzene/GRO at highest concentrations at southern end

DRO/RRO throughout area

Off-site delineation not complete

2) Evaluate Risk2) Evaluate Risk FAIR Risk Management Zones – FAIR Risk Management Zones –

Commercial/IndustrialCommercial/Industrial CSM needed for this areaCSM needed for this area

Hydrogeologic characteristicsHydrogeologic characteristics Contaminant location and transport characteristicsContaminant location and transport characteristics Possible Exposure PathwaysPossible Exposure Pathways

Are there risks to human health or the Are there risks to human health or the environment that need to be controlled or environment that need to be controlled or mitigated?mitigated? Wells or dewatering activities?Wells or dewatering activities? Indoor air quality problems?Indoor air quality problems?

Risks should be mitigated through Risks should be mitigated through cleanup or risk managementcleanup or risk management

FAIR Risk Management FAIR Risk Management PlanPlan

Risk Management ZonesRisk Management Zones

3) Cleanup and 3) Cleanup and Management PlanManagement Plan

What are the site-specific requirements?What are the site-specific requirements? Control riskControl risk Remove source/productRemove source/product Reduce the life of the plume and long-term Reduce the life of the plume and long-term

monitoring requirements (flexible)monitoring requirements (flexible) Compatible with the land owner needs?Compatible with the land owner needs? Schedule?Schedule?

Plan should balance cleanup and Plan should balance cleanup and management options with management options with expected site use and cost expected site use and cost

considerationsconsiderations

4) Institutional Controls4) Institutional Controls Necessary Necessary nownow – not later – not later Better long-term management of Better long-term management of

contamination is priority for DECcontamination is priority for DEC IC plan should be coordinated with IC plan should be coordinated with

RailroadRailroad RP will continue to be responsible when RP will continue to be responsible when

utilities or other parties encounter utilities or other parties encounter contaminationcontamination

Compliance review is necessaryCompliance review is necessary

If managed properly, contamination If managed properly, contamination shouldshould NOTNOT prevent property prevent property transactions or reusetransactions or reuse

Construction Projects: Balloon Tracks Minnie Street Connector Illinois Street Widening

5) Information 5) Information ManagementManagement Must be able to articulate useful Must be able to articulate useful

information to the public regarding information to the public regarding contaminated sitescontaminated sites In order to clarify potential liability In order to clarify potential liability

considerationsconsiderations Reduce economic impacts - adjacent Reduce economic impacts - adjacent

and future property and future property use/sale/developmentuse/sale/development

Must know extent of impacts Must know extent of impacts Plume mapsPlume maps Estimated areas of soil contaminationEstimated areas of soil contamination

SummarySummary DelineateDelineate CSM/Risk EvaluationCSM/Risk Evaluation IC PlanIC Plan Cleanup and Management PlanCleanup and Management Plan

Milestones Milestones ADEC send letter requesting CSM and explanationADEC send letter requesting CSM and explanation Need information on downgradient MSLUG wells Need information on downgradient MSLUG wells

(ADEC)(ADEC) Contaminated site map with addresses – provide Contaminated site map with addresses – provide

CIMMS website (ADEC)CIMMS website (ADEC) Workplan (provide schedule or work) – Workplan (provide schedule or work) – May 30May 30

Need entry permit from railroad for drilling or sampling on Need entry permit from railroad for drilling or sampling on railroad partyrailroad party

Need letter of consent from tenantsNeed letter of consent from tenants Off-site delineation (characterization)Off-site delineation (characterization) Preliminary CSM – Characterization reportPreliminary CSM – Characterization report

Wells, surface soil exposure, indoor air issues?Wells, surface soil exposure, indoor air issues? Groundwater sampling (third week April 2005)Groundwater sampling (third week April 2005)

Product sample from Chevron and Railroad Product sample from Chevron and Railroad Look into common lab – Look into common lab – Coordinate sampling protocol (document that this will Coordinate sampling protocol (document that this will

happen in the workplan)happen in the workplan) Share data for interpretation by each partyShare data for interpretation by each party

Janice – ADEC contactJanice – ADEC contact

FAIR – Solvents at North FAIR – Solvents at North End (HIDE) End (HIDE)