operation, maintenance and monitoring plan ... - Ithaca-SHIP.org!

Contents
1 Introduction..........................................................................................................................................1
1.1 Facility description and history .....................................................................................................1
1.2 Site Geology and Hydrogeology...................................................................................................2
1.3 Fire Water Reservoir Area - Conceptual Site Model.....................................................................2
1.4 Previous Groundwater Extraction System....................................................................................3
2 IRM Description ...................................................................................................................................5
2.1 Dual Phase Extraction System .....................................................................................................5
2.1.1 Extraction Wells and Vaults ......................................................................................................6
2.1.2 Aqueous Stream Treatment Equipment ...................................................................................6
2.1.3 Vapor Stream Treatment Equipment ........................................................................................7
2.1.4 Process Logic Control, Automated Equipment Actuations and Alarms ....................................7
2.2 Operation and Maintenance Activities ..........................................................................................8
2.2.1 Bi-Weekly Operation and Maintenance ....................................................................................8
2.2.1.1 Extraction Well Vaults.......................................................................................................9
2.2.1.2 Treatment Building............................................................................................................9
2.2.2 Monthly Operation and Maintenance......................................................................................10
2.2.2.1 General System Maintenance.........................................................................................10
2.2.2.2 Aqueous Phase Carbon Vessels ....................................................................................10
2.2.2.3 Air Stripper......................................................................................................................10
2.2.2.4 Pumps.............................................................................................................................10
2.2.2.5 Vacuum Blower...............................................................................................................11
2.2.3 Periodic Operation and Maintenance .....................................................................................11
2.2.3.1 General System Maintenance.........................................................................................11
2.2.3.2 Periodic Carbon Maintenance.........................................................................................11
3 Groundwater Monitoring Plan ..........................................................................................................12
3.1 Purpose and Objectives .............................................................................................................12
3.2 Monitoring Program Rationale and Well Selection .....................................................................12
3.2.1 Affected Groundwater Distribution..........................................................................................12
3.2.2 Aquifer Testing in B-Zone .......................................................................................................12
3.2.3 Aquifer Testing in C-Zone.......................................................................................................13
3.2.4 B-Zone Well Selection ............................................................................................................13
3.2.5 C-Zone Well Selection............................................................................................................14
3.3 Field Sampling Protocols............................................................................................................14
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