Scope of key working areas
Legend
Scale (m)
Contour of COD concentration in 2nd
aquifer
Boundary of the scope where COD concentration
in 2nd aquifer exceeds the limit
Cr
Cr
Fig. 5.46 Map showing the distribution of COD concentration in the 2nd layer of groundwater at
the landfill site
Legend
Scope of key working areas
Scale (m)
Contour of ammonia-nitrogen concentration
in 2nd aquifer
Boundary of the scope where ammonia-nitrogen
concentration in 2nd aquifer exceeds the limit
Fig. 5.47 Map showing the distribution of ammonia-nitrogen concentration in the 2nd layer of
groundwater at the landfill site
5.5 North China
259