Environmental Health

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Now showing 1 - 20 of 96

Open Access
Hubungan pencemaran partikel terampai (PM10) dengan pesakit asma
(Universiti Pertanian Malaysia Press, 1996) Zailina Hashim; Juliana Jalaludin; Azman Zainal Abidin; Azizi Haji Omar
Satu kajian terhadap 30 orang pesakit asma yang terdiri dari kanak-kanak telah dilakukan di Kuala Lumpur. Objektif kajian adalah untuk mengenalpasti perkaitan di antara PM10 dan serangan asma yang dialami oleh pesakit. Kajian berbentuk epidemiologi prospektif telah dilakukan dari 1 September 1994 sehinggga 31 Disember 1994. Pesakit asma telah dipilih dari Unit Pediatrik Hospital Besar Kuala Lumpur.
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Monitoring carbon sequestration benefits associated with a reduced-impact logging project in Malaysia
(Kluwer Academic Publishers, 1997) Michelle Pinard; Francis Putz
The Reduced-Impact Logging Project, a pilot carbon offset project, was initiated in 1992 when a power company provided funds to a timber concessionaire to implement timber-harvesting guidelines in dipterocarp forest. The rationale for the offset is that when logging damage is reduced, more carbon is retained in living trees, and, because soil damage is minimized, forest productivity remains high. To estimate the carbon benefit associated with implementation of harvesting guidelines, a monitoring program was developed based on 1) field studies for measuring carbon stocks and flows; 2) a computer model of forest carbon dynamics for simulating various combinations of harvesting intensity and damage; and, 3) a projection model for calculating carbon balance over the project lifespan.
Open Access
Municipal solid waste management in Malaysia- Possibility of improvement
(Faculty of Science, Universiti Malaya, 2004) Fauziah S.H.; Simon, C.; Agamuthu P.
Municipal Solid Waste (MSW) in Malaysia involves the disposal of approximately 98% of the total waste to landfills. Current disposal method of landfilling needs improvements to prolong the landfill life and to minimize the problem of land scarcity. Rapid developments and industrialization in Malaysia necessitate a better and more efficient waste management strategy. The mushrooming of urban areas and rural-urban migration has increased the per capita income due to changes in the consumption patterns that led to increased waste generation. The study involved the compilation of data from relevant municipalities on waste generation in Malaysia. The study also includes waste composition analysis according to income level, to determine the trends of composition produced.
Open Access
Centralized wastewater treatment
(Faculty of Science, Universiti Malaya, 2004) Chamala Muthu; Agamuthu P.
An assessment was conducted of an integrated wastewater treatment plant (WWTP) in Malaysia. The WWTP has been designed to receive multiple effluents from central utility facilities (CUF) and other neighboring plants with varying wastewater characteristics. Commissioning of the plant was necessary as part of the quality assurance for the plant design specification. Operating units of the WWTP during commissioning are the intake collection, effluent monitoring, primary treatment operation, waste homogenizing and biological unit of processes. The assessment includes the monitoring of average flow rate, total suspended solids (TSS), oil & grease (O&G), pH, temperature, chemical oxygen demand (COD), dissolved oxygen (DO), and mixed liquor suspended solid (MLSS).
Open Access
Coastal resource development in Malaysia: Is there a need for sustainable mangrove forest management?
(Faculty of Science, Universiti Malaya, 2004) Jahara yahaya; Santha Chenayah
In Malaysia, there are working plans for the conservation and management of mangroves in Matang, Perak. Pioneered by the British Administration, the Matang mangroves exemplify an example of sustainable use for timber production and fishery production without compromising the ecological and environmental values of the ecosystem. Thus, management of mangrove forests inherently involves multiple criteria approach for ranking alternatives for its sustainable use. The purpose of this study is to investigate the need for sustainable mangrove forest management in Malaysia. In this paper, first, we discuss the issues involved in proper management of mangroves in Malaysia. Subsequently, we examine the formulation of a sustainable mangrove management plan. We conclude with some recommendations for further considerations.
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Concentrations of trace elements in marine fish and its risk assessment in Malaysia
(Elsevier, 2005) Tetsuro Agusa; Takashi Kunito; Genta Yasunaga; Hisato Iwata Annamalai Subramanian; Ahmad Ismail; Shinsuke Tanabe
Concentrations of trace elements (V, Cr, Mn, Co, Cu, Zn, Ga, Se, Rb, Sr, Mo, Ag, Cd, Sn, Sb, Cs, Ba, Hg, Tl, Pb and Bi) were determined in muscle and liver of 12 species of marine fish collected from coastal areas in Malaysia. To evaluate the health risk to Malaysian population through consumption of fish, intake rates of trace elements were estimated on the basis of the concentrations of trace elements in muscle of fish and daily fish consumption.
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Distributions and health risks of polycyclic aromatic hydrocarbons (PAHs) in atmospheric aerosols of Kuala Lumpur, Malaysia
(Elsevier, 2006) Nasr Yousef M.J. Omar; Tan Chin Mon; Noorsaadah A. Rahman; M. Radzi Bin Abas
The concentrations and distributions of particle bound polycyclic aromatic hydrocarbons (PAHs) collected over a 10 month period in ambient environment, at street levels as well as during a hazy episode are reported. Ambient and street level distributions of PAHs were similar and their occurrence was attributed to vehicular emissions. However, in haze particles, a different pattern of PAHs was observed, characterized by relatively low levels of benzo[a]pyrene (BaP) and high levels of benzofluoranthenes (BFs).
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Environmental change, development and vectorborne disease: Malaysia’s experience with filariasis, scrub typhus and dengue
(Springer, 2006) B. H. Kwa
During Malaysia’s rapid economic development into becoming a middle income country in the past several decades, environmental changes resulted in altered land use patterns because of agricultural practices such as large scale rice, rubber and oil palm cultivation. The impact of environmental changes brought about by rice and rubber cultivation affected the breeding habitats of mosquito vectors which in turn affected the prevalence of two strains of lymphatic filariasis in different ways. This article discusses how ecological factors determine the way lymphatic filariasis, scrub typhus and dengue were spread in Malaysia.
Open Access
A study on construction waste management of a refurbishment project in Kuala Lumpur
(Faculty of Science, Universiti Malaya, 2006) Lee Yee Yie; Noor Zalina Mahmood
Construction waste management is an important environmental issue. The huge volume and various compositions of construction waste have made its disposal a serious problem because it leads to environmental impacts such as landfill space and resource depletion. Greater concerns must be given to construction waste generation and management to reduce its burden to the environment. A refurbishment project site situated in Kuala Lumpur was selected for the study by regular site visits and initial environmental review (IER) was conducted to gather information on site activities and waste management practice. Environmental aspects and impacts caused by construction waste management were identified and their significance was assessed quantitatively and qualitatively. Four on-site sorting schemes were proposed and their practicality was discussed.
Open Access
SWPlan software application for Malaysian municipal solid waste management
(Faculty of Science, Universiti Malaya, 2007) Fauziah S.H.; Agamuthu P.
This study was conducted to design an integrated solid waste management system and to determine the best integrated technology in terms of efficiency, cost and performance. SWPlan software was utilized to determine the appropriate waste management approaches including waste reduction, recycling, composting, waste-to-energy conversion, landfill disposal and others.
Open Access
Status of coral reefs and sedimentation at Kota Kinabalu: A preliminary study at Gaya Bay and Sepangar Bay
(UMS, 2007) Zarinah Waheed; Farrah Anis F. Adnan; Lee Chee Hwa; Siti Rahayu Mohd. Hashim
This study examined the effect of sedimentation on coral reefs at Gaya Island (Gaya Bay), Sepangar Island and UMS jetty (Sepangar Bay). At each location, two depths were surveyed, between 3m - 5m and between 7m -10m. The status of coral reefs was surveyed by using Line Intercept Transect, Fish Visual Census and Invertebrate Belt Survey.
Open Access
Global climate change and its effects on human habitat and environment in Malaysia
(Environmental Management Society Malaysia, 2009) Haliza Abdul Rahman
Malaysia is facing an increasing trend in industrial solid waste generation due to industrial development. Thus, there is a paramount need in taking practical actions and measurements to move toward sustainable industrial waste management. The main aim of this study is to assess practicing solid waste minimization by manufacturing firms.
Open Access
Sustainable household organic waste management via vermicomposting
(Faculty of Science, Universiti Malaya, 2009) Fauziah S.H.; Agamuthu P.
Increasing waste generation in developing countries has alarmed authorities on waste disposal issues. Therefore, various alternatives have been looked into to reduce waste disposed into landfill. Among others are the bioremediation options which may allow the conversion of putrescible wastes into value added products such as compost, biogas and others. This study was aimed to find optimal experimental set-up to conduct small scale vermicomposting suitable for households, since approximately 40-50% (wt) of the waste is putrescible component.
Open Access
Urban environmental health: Respiratory illness and urban factors in Kuala Lumpur city, Malaysia
(Thai Society of Higher Eduation Institutes on Environment, 2011) Oliver Ling Hoon Leh; Shaharuddin Ahmad; Kadaruddin Aiyub; Yaakob Mohd Jani; Ting Kien Hwa
With increasing urbanisation, more people are now staying in urban built environments, even though the conditions of the urban environments may not be conducive to urban residents' health. However, with the lack of health data of urban residents, very few studies have been conducted to examine the relationship between urban factors and city residents' health especially in developing countries. Therefore, the objectives of this paper are to examine the rate of respiratory illness (acute respiratory infection and asthma) among residents of Kuala Lumpur City and also to investigate the relationship between the respiratory health rate and urban factors.,
Open Access
Natural radionuclide of Po210 in the edible seafood affected by coal-fired power plant industry in Kapar coastal area of Malaysia
(BioMed Central Ltd, 2011) Lubna Alam; Che Abd Rahim Mohamed
Po210 can be accumulated in various environmental materials, including marine organisms, and contributes to the dose of natural radiation in seafood. The concentration of this radionuclide in the marine environment can be influenced by the operation of a coal burning power plant but existing studies regarding this issue are not well documented. Therefore, the aim of this study was to estimate the Po210 concentration level in marine organisms from the coastal area of Kapar, Malaysia which is very near to a coal burning power plant station and to assess its impact on seafood consumers.
Open Access
Metodologi kuantitatif dalam mengkomputasi impak sosio-ekonomi perubahan iklim kepada kesihatan manusia
(Geografia, 2012) Er Ah Choy; Asmahani Atan; Nur Salihah Kassim; Mazrura Sahani
Kertas kerja ini bertujuan mengupas kajian keperpustakaan tentang metodologi untuk mengkuantifikasikan impak sosio-ekonomi perubahan iklim ke atas keakhiran kesihatan manusia.
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Removal of residual oils from palm oil mill effluent by adsorption on natural zeolite
(Springer, 2012) M. A. Shavandi; Z. Haddadian; M. H. S. Ismail; N. Abdullah; Z. Z. Abidin
The adsorption of residue oil from palm oil mill effluent using natural zeolite was investigated in this study. The adsorption was performed in batch mode, and the effect of different operational parameters such as pH, dose of adsorbent, stirring rate, contact time and initial oil concentration were explored. It was found that the pH plays a major role in the adsorption process. Isotherm data best fitted with the Freundlich model, and kinetic data followed the pseudo-second-order kinetic model.
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Composition of heavy metals in indoor dust and their possible exposure: A case study of preschool children in Malaysia
(Springer, 2013) Mohd Talib Latif; Saw Mei Yong; Azlina Saad; Noorlin Mohamad; Nor Hafizah Baharudin; Mazlin Bin Mokhtar; Norhayati Mohd Tahir
The aim of this study is to determine the levels of selected heavy metals (Pb, Zn, Cd, Fe and Cr) at ten preschools in Selangor, Malaysia. Dust samples from the interior of classrooms and surface soils were collected using soft paint brushes while Kimwipes were used to collect samples of dust from interior walls and children's palms. Heavy metals in the dust samples were determined using inductively coupled plasma mass spectrometry (ICP-MS).
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Biosorption of Pb(II) and Fe(III) from aqueous solutions using oil palm biomasses as adsorbents
(Springer, 2013) Shabnam Khosravihaftkhany; Norhashimah Morad; Tjoon Tow Teng; Ahmad Zuhairi Abdullah; Ismail Norli
The removal of lead (II) and iron (III) from aqueous solutions using empty fruit bunch (EFB), oil palm leaves (OPL), oil palm frond (OPF), and oil palm bark (OPB) as biosorbents was investigated. The biosorbents were characterized through scanning electron microscopy, Brunauer-Emmett-Teller analysis, and Fourier transform infrared spectroscopy.
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Strategic environmental assessment policy integration model for solid waste management in Malaysia
(Springer, 2013) Dennis Victor; P. Agamuthu
This paper examines the strategic environmental assessment (SEA) systemic policy drivers for solid waste management (SWM) policies, plans and programmes (PPP) in Malaysia. Solid waste generation in Malaysia has been increasing drastically from 9.0 million tonnes in 2000 to an expected 15.6 million tonnes in 2020.