CEPIS/OPS- Pollution limits for discharge of tennery effluents into water bodies and sewers

BRAZIL Parameter	Surface	Sewer
pH Temperature ºC Suspended solids mg/l Settleable solids ml/l BOD5 mg 02/l COD mg/l	5.0-9.0 30 60	40
Sulphide mg S2-/l Chrome (lll) mg/l Chrome (IV) mg/l Chrome total mg/l	1 0.5 2.5	5 5
Chlorides mg/l Sulphates mg/l Ammonia mg N/l TNK mg N/l Oil/grease mh/l Phenols mg/l	5 20-30 0.1-0.5	100
Solvents mg/l: Hydrocarbons mg/l Nitrogenous mg/l Chlorimated mg/l

CHINA Parameter	Surface	Sewer
pH Temperature ºC Suspended solids mg/l Settleable solids ml/l BOD5 mg 02/l COD mg/l	6.0-9.0 200 150	6.0-9.0 200 150
Sulphide mg S2-/l Chrome (lll) mg/l Chrome (IV) mg/l Chrome total mg/l	300 1 1.5	300 1 1.5
Chlorides mg/l Sulphates mg/l Ammonia mg N/l TNK mg N/l Oil/grease mh/l Phenols mg/l	1.5	1.5
Solvents mg/l: Hydrocarbons mg/l Nitrogenous mg/l Chlorimated mg/l

CROATIA Parameter	Surface	Sewer
pH Temperature ºC Suspended solids mg/l Settleable solids ml/l BOD5 mg 02/l COD mg/l	* * * * * *	6.0-9.0 40 400 15 450 700
Sulphide mg S2-/l Chrome (lll) mg/l Chrome (IV) mg/l Chrome total mg/l	* * * *	1
Chlorides mg/l Sulphates mg/l Ammonia mg N/l TNK mg N/l Oil/grease mh/l Phenols mg/l	* * * * * *	300 15 80 100 1.5
Solvents mg/l: Hydrocarbons mg/l Nitrogenous mg/l Chlorimated mg/l	*	trace