Heavy metal contents of Lake Sapanca

Citation
N. Yalcin et V. Sevinc, Heavy metal contents of Lake Sapanca, TURK J CHEM, 25(4), 2001, pp. 521-525
Citations number
6
Categorie Soggetti
Chemistry
Journal title
TURKISH JOURNAL OF CHEMISTRY
ISSN journal
13000527 → ACNP
Volume
25
Issue
4
Year of publication
2001
Pages
521 - 525
Database
ISI
SICI code
1300-0527(2001)25:4<521:HMCOLS>2.0.ZU;2-L
Abstract
The heavy metal pollution of Lake Sapanca located in the Marmara region (Tu rkey), was investigated over time. The lake is the drinking water source of the city of Adapazari and its environs. The D-80 (TEM) motorway passes abo ut 5 km along the lake's zero point in the Sapanca district. The motorway's wastewater drainages have been connected to the lake without having been s ubjected to any wastewater treatment. The motorway was opened to service in October 1990. Analyses were performed in 1991 and were repeated in 1999 in order to observe changes in Pb, Fe and Zn contents. Samples were collected from the ends of the drainage channels opening into the lake and metals we re determined using flame atomic absorbtion spectrophotometry (FAAS). Accor ding to the results obtained, Zn levels were found to be lower than the lim its. However, Pb and Fe concentrations increased significantly at all point s and exceeded the limit values. The concentrations of Pb and Fe may be ris ing in the lake, and hence there is a need for continued monitoring of the levels of toxic heavy metals in the lake.