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