PENILAIAN TINGKAT CEMARAN TIMBAL PADA DANAU BALANG TONJONG KELURAHAN ANTANG MANGGALA KOTA MAKASSAR

Some species of freshwater fish living in Lake Village Antang of Balang Tonjong, Mangala, is one source of food small percentage people of Makassar. The Balang Tonjong lake located on the eastern part the city of Makassar, including densely populated residential areas and approximately 60% of the circumference of the lake is an access road suitable for vehicles with high density. These two things are very possible the exposure to heavy metals, especially lead (Pb). Pb contamination assessment to fish, water and sediment of the lake is important, aims to provide information to the community about safety source of food fish. The method used is AAS with destruction phases, extraction and measurement of absorption at λmaks. 238, 3 nm. Extracting solution of HCl pa: HNO3 pa ratio of 3: 1. The results of the analysis of Pb contamination levels on Lake Balang Tonjong for the five types of fish samples in a row, the catfish (1.1917 mg/Kg); Tilapia Black (0.7214 mg/Kg); Sepat fish (0.8239 mg/Kg); Betok fish (0.9095 mg/Kg) and eel (1.0057 mg/Kg). While the content of Pb in water and sediments of Lake Balang Tonjong respectively 0.4998 mg/L and 23.2665 mg/Kg. The Balang Tonjong lake water unfit as a secondary source of water and sediment meet the requirements of the value of maximum limit according to NSI No. 7758 in 2013 to the lake water 0.15 mg/L and sediment ≥35 mg/Kg