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Northrop Grumman−Bethpage Facility/Naval Weapons Industrial Reserve Plant

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Naval Weapons Industrial Reserve Plant -
Final 2022 Annual Groundwater Sampling Data Report - OU2 VOC and 1,4-Dioxane Investigation

Planned and Potential Ou2 & Ou3 Groundwater Infrastructure - Naval Weapons Industrial Reserve Plant - Figure 1-3

AMENDED RECORD OF DECISION December 2019 -
Northrop Grumman Bethpage Facility and Naval Weapons Industrial Reserve Plant

Site Detail Map - Figure 2

Groundwater exceeding SCGs - Oblique 3D-view Figure 3

NYSDEC VPB and Monitoring Well Locations - Figure 4

50 ug/l TcVOC Plume-Oblique 3D view - Figure 5

100 ug/l TcVOC Plume-Oblique 3D view - Figure 6

Alternative 2A - Hydraulic Containment Of Site Contaminants Above SCGs - Decentralized Treatment Plants With Various Discharge Methods - Figure 7

Alternative 2B - Hydraulic Containment Of Site Contaminants Above SCGs - Centralized Treatment Plants With A Centralized Recharge Basin - Figure 8

Alternative 3A - Plume Mass Flux Remediation - Decentralized Treatment Plants With Various Discharge Methods - Figure 9

Alternative 3B - Plume Mass Flux Remediation - Centralized Treatment Plants With A Centralized Recharge Basin - Figure 10

Alternative 4 - Aquifer Flushing - Figure 11

Alternative 5A - Hydraulic Containment Of Site Contaminants Above SCGs Combined With Mass Flux Remediation - Decentralized Treatment Plants With Various Discharge Methods - Figure 12

Alternative 5B - Hydraulic Containment Of Site Contaminants Above SCGs Combined With Mass Flux Remediation - Centralized Treatment Plants With A Centralized Recharge Basin - Figure 13

Northrup Grumman - Bethpage Facility

Naval Weapons Ind. Reserve Plant