Appendix
98
Table 2: Limit values of the discharge parameters in a receiving environment.
(According to the Ministry of water ressources official journal of the Democratic
Republic of Algeria).
Parameters
limit Values
Unit
Temperature
30
°C
pH
6,5 to 8,5
/
SS
35
mg/l
BOD5
35
mg/l
COD
120
mg/l
Kjeldahl nitrogen
30
mg/l
Phosphates
02
mg/l
Total phosphorus
10
mg/l
Cyanides
0,1
mg/l
Aluminum
03
mg/l
Cadmium
0,2
mg/l
Iron
3
mg/l
Manganese
1
mg/l
Total mercury
0,01
mg/l
Total nickel
0,5
mg/l
Total lead
0,5
mg/l
Total copper
0,5
mg/l
Total Zinc
3
mg/l
Oils and fats
20
mg/l
Total hydrocarbons
10
mg/l
Total chromium
0,5
mg/l
Chlorinated organic compounds
0,5
mg/l
Detergents
02
mg/l
Organic solvents
20
mg/l