Geography Reference
In-Depth Information
Sound Pressure Level
1b
Sound Pressure Level
1a
> 35 - 40
<= 55
> 40 - 45
> 45 - 50
> 50 - 55
> 55 - 60
> 60 - 65
> 65 - 70
> 70 - 75
> 75
> 55 - 60
> 60 - 65
> 65 - 70
> 70 - 75
> 75 - 80
Badstraße
Badstraße
> 80
2a
Sound Pressure Level
Sound Pressure Level
2b
> 35 - 40
<= 55
> 40 - 45
> 45 - 50
> 50 - 55
> 55 - 60
> 60 - 65
> 65 - 70
> 70 - 75
> 75
> 55 - 60
Badstraße
> 60 - 65
> 65 - 70
> 70 - 75
> 75 - 80
Badstraße
> 80
3a
Sound Pressure Level
3b
Sound Pressure Level
4
Sound Pressure Level in dB(A)
NPL below a certain value
(if not calculated use the color gray)
<= 35
> 35 - 40
positive
development
> 40 - 45
> 45 - 50
> 50 - 55
“quiet areas“
to moderate nuisance
> 55 - 60
moderate to high
noise nuisance
> 60 - 65
> 65 - 70
> 70 - 75
> 75 - 80
negative
development
very high level
of noise nuisance
> 80
Fig. 1 A map in the color scheme according to DIN 18005-2 with ten classes (1a) and six classes
compliant to German law (1b); the map in the new scheme with ten (2a) and six classes (2b) and as
people with CVD (protanopia) see the new colors (3a, b). Please consider that the scheme has
only
been optimized for digital use. A color illustration and color codes can be found on the website
