Appendix C - - Nuclear Metals Superfund Site › download › rdra › governing_documents ›...
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Appendix C Site Plan Extent of Remedy File: NMI_Extent_of_Remedy Project No.:3252 Plot Date: 02 April, 2018 Arc Operator: LS Reviewed by: BT Nuclear Metals Inc. Superfund Site Concord, Massachusetts Map Legend: Plot Info: V Coordinate System: MA State Plane Mainland FIPS Zone: 2001 Units: US Survey Feet Datum: NAD83 Spatial Projection: R:\Projects\DEF\demax-1547\3243-NMI GW NTCRA\DataAnalysis\GISData\Projects Source: RI/FS database from Site Engineering Drawings *Isoconcentration contours provided by Geosyntec Consultants, Inc. 0 500 1,000 250 Feet SCALE Landfill Holding Basin Cooling Water Recharge Pond Sphagnum Bog Sweepings Area Industrial Courtyard Area Northern Pavement Drain Outfall 2229 Main Street Property Boundary (Approx.) Surface and Subsurface Soil Excavation Vertical Barrier Wall 1,4-Dioxane above the Site clean up levels (0.46 μg/L) in Overburden Groundwater* Estimated 1,4-Dioxane above the Site clean up levels (0.46 μg/L) in Overburden Groundwater* 1,4-Dioxane above the Site clean up levels (0.46 μg/L) in Bedrock Groundwater* Estimated 1,4-Dioxane above the Site clean up levels (0.46 μg/L) in Bedrock Groundwater* Uranium above the MCL (>30 μg/L ) in Bedrock Groundwater* Depleted Uranium above the MCL (>30 μg/L ) in Overburden Groundwater* Remedial Design / Remedial Action Consent Decree
Transcript of Appendix C - - Nuclear Metals Superfund Site › download › rdra › governing_documents ›...
Append ix C
Site PlanExtent of Remedy
File: N MI_Extent_o f_Rem ed yPro jec t N o .:3252Plo t Da te: 02 April, 2018Arc Opera to r: LSReviewed b y: BT
N uc lea r Meta ls Inc.Superfund SiteCo nc o rd , Ma ssa c husetts
Ma p Legend :
Plo t Info :
VCo o rd ina te System :MA Sta te Pla ne Ma inla ndFIPS Z o ne: 2001 Units: US Survey FeetDa tum : N AD83
Spa tia l Pro jec tio n:
R:\Projects\DEF\demax-1547\3243-NMI GW NTCRA\DataAnalysis\GISData\Projects
So urc e: RI/FS d a ta b a se fro mSite Engineering Dra wings*Iso c o nc entra tio n c o nto urspro vid ed b y Geo syntecCo nsulta nts, Inc.
0 500 1,000250Feet
SCALE
Landfill
HoldingBasin
Cooling Water
RechargePond
Sphagnum Bog
SweepingsArea
Industrial Courtyard
Area
NorthernPavement
DrainOutfall
2229 Ma in Street Pro pertyBo und a ry (Appro x.)Surfa c e a nd Subsurfa c eSo il Exc a va tio nVertic a l Ba rrier W a ll1,4-Dio xa ne a b o ve the Sitec lea n up levels (0.46 μg/L)in Overburd enGro und wa ter*Estim a ted 1,4-Dio xa nea b o ve the Site c lea n uplevels (0.46 μg/L) inOverburd en Gro und wa ter*1,4-Dio xa ne a b o ve the Sitec lea n up levels (0.46 μg/L)in Bed ro c k Gro und wa ter*Estim a ted 1,4-Dio xa nea b o ve the Site c lea n uplevels (0.46 μg/L) inBed ro c k Gro und wa ter*Ura nium a b o ve the MCL(>30 μg/L ) in Bed ro c kGro und wa ter*Depleted Ura nium a b o vethe MCL (>30 μg/L ) inOverburd en Gro und wa ter*
Rem ed ia lDesign / Rem ed ia l
Ac tio n Co nsent Dec ree
