[Front page] [Contents] [Back] [Printing instructions]

Management of Contaminated Sites

 

 

Source of contamination

Characteristic of groundwater contamination
Location Source of waste Type of waste Parameters

Maximum value in mg/l

Contami-nated aquifers

Volume of contaminated groundwater in 1000 m3 and depth of contaminant percolation in m

Number of monitoring wells
Incukalns
Riga
District		 Former
lubricants
factory
in the
Riga City		 Sulfuric
acid tar,
2 waste
pools		 TDS

17 000

      
SO42-

8 000

      
PO43-

310

      
SSAS

75

Q +

800 & 1 000
90

30 & 30
COD-Cr

1 200

D3gj

  
V

5,7

      
Phenol

0,9

      
pH

1,5

      
Olaine
Riga
District		 Chemical-
pharmaceu-
tical
factory
in the
Olaine
 Liquid
chemical
waste		 TDS

29 000

      
Cl

15 000

      
NH4+

4 000

Q

700
15

50
COD-Cr

22 000

    
Pyridine

5 000

      
Buthanol

3 000

      
South of
Riga		 "Getlini"
landfill		 Domestic
waste		 TDS

11 000

      
Cl-

4 400

      
Ntot.

980

Q +

3 000
30

40
NH4+

340

D3pl

  
Cr

1

      
COD-Cr

1 400