Anas Ahmad Jamhari

Sultan Zainal Abidin University

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Mohd Talib Latif

National University of Malaysia

Murnira Othman

National University of Malaysia

Haris Hafizal Abd Hamid

National University of Malaysia

Muhammad Ikram A. Wahab

National University of Malaysia

Perapong Tekasakul

Prince of Songkla University

Md Firoz Khan

North South University

Mitsuhiko Hata

Kanazawa University

Nor Fadilah Rajab

National University of Malaysia

Hanashriah Hassan

Ministry of Natural Resources and Environment

Mohd Shahrul Mohd Nadzir

National University of Malaysia

Cooperative Institutions

National University of Malaysia

Universiti Malaysia Terengganu

Prince of Songkla University

Kanazawa University

Ministry of Natural Resources and Environment

Jabatan Perkhidmatan Awam Malaysia

University of Malaya

University Kebangsaan Malaysia Medical Centre

Ministry of Health

Center of Excellence on Hazardous Substance Management

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Spatial distribution of fine and coarse particulate matter during a southwest monsoon in Peninsular Malaysia

Chemosphere (2020)

Murnira Othman Mohd Talib Latif Anas Ahmad Jamhari Haris Hafizal Abd Hamid Royston Uning

Asian Dust

Ion chromatography

10.1016/j.chemosphere.2020.127767

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Citations (28)

Toxic Trace Elements Bound to Size-Fractioned Ambient Particles Down to Nanoparticles (Pm0.1): Characteristics, Sources and Health Risk Assessment

Anas Ahmad Jamhari Nor Fadilah Rajab Mohd Talib Latif Muhammad Ikram A. Wahab Murnira Othman

TRACE (psycholinguistics)

10.2139/ssrn.4969749

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Citations (0)

Seasonal variation and size distribution of inorganic and carbonaceous components, source identification of size-fractioned urban air particles in Kuala Lumpur, Malaysia

Chemosphere (2021)

Anas Ahmad Jamhari Mohd Talib Latif Muhammad Ikram A. Wahab Hanashriah Hassan Murnira Othman

Inorganic ions

Carbon fibers

Mass concentration (chemistry)

10.1016/j.chemosphere.2021.132309

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Citations (29)

Size-segregated atmospheric polycyclic aromatic hydrocarbons down to PM0.1 in urban tropical environment: Temporal distribution, potential sources and human health risk

Urban Climate (2021)

Anas Ahmad Jamhari Mohd Talib Latif Muhammad Ikram A. Wahab Murnira Othman Haris Hafizal Abd Hamid

Health Risk Assessment

10.1016/j.uclim.2021.100996

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Citations (8)

Indoor particulate matter (PM_2.5) in Malaysian academic building: Elemental characterization and source apportionment

Environmental Forensics (2022)

Intan Idura Mohamad Isa Nurul Bahiyah Abd Wahid Anas Ahmad Jamhari Irma Izani Mohamad Isa Mohd Talib Latif

This study aims to determine the elemental compositions of indoor particulate matter (PM2.5) in two selected academic buildings, with emphasis on source apportionment using a multivariate receptor model. PM2.5 samples were collected from lecture halls, laboratories and lecturer offices at the Ministry of Health Training Institute of Sungai Buloh (S1) and the Ministry of Health Training Institute of Sultan Azlan Shah (S2). Sampling took place over 8 h using a low volume sampler (LVS). In this study, various scientific methods such as standard methods for air quality analysis as well as Principal Component Analysis (PCA) and Multiple Linear Regression (MLR) were applied in order to investigate the elemental characterizations and source apportionment of PM2.5, respectively. The PM2.5 compositions for water-soluble ionic species (WSIS) and trace metals were analysed using ion chromatography (IC) and inductively coupled plasma-mass spectrometry (ICP-MS), respectively. Results showed that the mean PM2.5 concentration at S1 (108 ± 39.5 µg m−3) was higher than S2 (91.1 ± 36.6 µg m−3). PCA-MLR analysis revealed that biomass burning (48%) and building material/crustal origin (81%) were the major sources of indoor PM2.5 for S1 and S2, respectively. Modifications and improvements to ventilation systems could be implemented in order to maintain a good health of the building occupants as outside sources may contribute to the presence of pollutants in these buildings.

Apportionment

Christian ministry

10.1080/15275922.2022.2125106

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Citations (1)

Chemical characterization and sources identification of PM2.5 in a tropical urban city during non-hazy conditions

Urban Climate (2021)

Hanashriah Hassan Mohd Talib Latif Liew Juneng Norhaniza Amil Md Firoz Khan

Haze

Dry season

Seasonality

10.1016/j.uclim.2021.100953