No Source Parameters Limit 1 Produced Water COD 200 mg/l     Oil and Grease 25 mg/l     Sulfide 0.5 mg/l     Ammonia 5 mg/l     Phenol 2 mg/l     Temperature 40°C     pH 6-9     TDS 4,000 mg/l 2 Drainage Oil and Grease 15 mg/l     Total Organic Carbon mg/l

Table 5: Produced water and drainage standard for oil and gas activity (onshore facility) MER No.19/2010.