Effects of environmental regulations on heavy metal pollution decline in core sediments from Manila Bay
Journal
Marine Pollution Bulletin
Journal Volume
60
Journal Issue
5
Pages
780-785
Date Issued
2010
Author(s)
Abstract
We investigated the high-resolution heavy metal pollution history of Manila Bay using heavy metal concentrations and Pb isotope ratios together with 210Pb dating to find out the effects of environmental regulations after the 1990s. Our results suggested that the rate of decline in heavy metal pollution increased dramatically from the end of the 1990s due to stricter environmental regulations, Administrative Order No. 42, being enforced by the Philippines government. The presented data and methodology should form the basis for future monitoring, leading to pollution control, and to the generation of preventive measures at the pollution source for the maintenance of environmental quality in the coastal metropolitan city of Manila. Although this is the first report of a reduction in pollution in Asian developing country, our results suggest that we can expect to find similar signs of pollution decline in other parts of the world as well. © 2010 Elsevier Ltd.
Subjects
Core sediments; Heavy metal polution; Manila Bay; Pb isotope ratio
Other Subjects
Core sediments; Environmental quality; Heavy metal concentration; Heavy metal pollution; High resolution; In-core; Metropolitan cities; Pb isotopes; Philippines; Pollution sources; Preventive measures; Developing countries; Environmental regulations; Isotopes; Lead; Metals; Preventive maintenance; Sedimentology; Sediments; Pollution control; arsenic; cadmium; copper; heavy metal; lead; lead 210; mercury; zinc; environmental legislation; environmental quality; heavy metal; isotopic ratio; law enforcement; lead isotope; lead-lead dating; pollutant source; pollution control; pollution monitoring; sediment core; sediment pollution; urban pollution; article; Asia; atomic emission spectrometry; concentration (parameters); controlled study; developing country; environmental management; environmental monitoring; government; methodology; Philippines; pollution control; radiometric dating; sea pollution; seashore; urban area; Cities; Environmental Monitoring; Environmental Pollution; Geography; Geologic Sediments; Government Regulation; Lead Radioisotopes; Metals, Heavy; Oceans and Seas; Philippines; Time Factors; Water Pollutants, Chemical; Luzon; Manila Bay; Philippines
Type
journal article