Rinawati, Rinawati and Koike, Tatsuya and Koike, Hiroaki and Kurumisawa, Rina and Ito, Maki and Sakurai, Shigeaki and Togo, Ayako and Saha, Mahua and Airifn, Zainal and Takada, Hideshige (2012) Distribution, Source Identification, and Historical Trends of Organic Micropollutants in Coastal Sediment in Jakarta Bay, Indonesia. Journal of Hazardous Materials, 217-21. pp. 208-216.

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We determined concentrations of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), linear alkylbenzenes (LABs), and hopanes in coastal sediments collected from Jakarta Bay and Tokyo Bay. PAH concentrations in sediments from Jakarta Bay (257–1511 ng/g-dry) were lower than or comparable to those from Tokyo Bay (1372–1615 ng/g-dry). Ratios of alkyl-PAHs to parent PAHs showed a greater contribution of petrogenic inputs in Jakarta Bay than in Tokyo Bay. This difference is consistent with the higher ratio of hopanes to PAHs in Jakarta Bay. LAB concentrations in Jakarta Bay (geometric mean, 1400 ng/g-dry) were higher than those in Tokyo Bay (661 ng/g-dry). The internal to external (I/E) ratios of LABs in Jakarta Bay (0.92–2.88) were lower than those in Tokyo Bay (2.8–4.8), indicating that Jakarta Bay receives untreated or poorly treated sewage. Significant amounts of tetrapropylene-based alkylbenzenes were detected in several locations in Jakarta Bay, suggesting current usage of the nondegradable surfactants alkylbenzene sulfonates that are banned in many countries. The PCB concentration in Jakarta Bay was 1 order of magnitude lower than in Tokyo Bay, suggesting minimal usage of PCBs in industrial or commercial products in Jakarta. Analyses of a sediment core indicate increasing inputs of PAHs, hopanes, and LABs into Jakarta Bay during recent decades.

Item Type: Article
Subjects: Q Science > QD Chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Kimia
Depositing User: RINAWATI
Date Deposited: 14 Feb 2018 03:08
Last Modified: 14 Feb 2018 03:08
URI: http://repository.lppm.unila.ac.id/id/eprint/6443

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