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Legend
±
dwg ref: 8235-0341-08
1:70,000Scale: A3 @0 2,0001,000 m
© Crown copyright and database right 2016.Ordnance Survey 100021874. Welsh Government.© Hawlfraint a hawliau cronfa ddata'r Goron 2016. Rhif Trwdded yr Arolwg Ordnans 100021874.
Drawn: CR
Date:
Checked: SS
Status: AT ISSUERevision: Figure: R13.6
Operational Daytime Noise Levels forOpening Year With Scheme and
Committed Mitigation (2022OYDSCM)
dwg r
ef: 82
35-03
41-08
Con
tains
Ordn
ance
Surv
ey da
ta ©
Crow
n cop
yrigh
t and
datab
ase r
ight 2
015
LegendNew Section of Motorway
Environmental Statement Supplement
September 2016
Noise LevelL10(18h)in dB(A)
<=42<=45<=50<=55<=60<=65<=70<=75<=80<=85<=90
42<45<50<55<60<65<70<75<80<85<90<
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