Supat Wangwongwatana

Supat Wangwongwatana
Thammasat University · Faculty of Public Health

About

22
Publications
1,529
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337
Citations
Citations since 2016
3 Research Items
86 Citations
2016201720182019202020212022051015
2016201720182019202020212022051015
2016201720182019202020212022051015
2016201720182019202020212022051015

Publications

Publications (22)
Article
Full-text available
Purpose The objective of this study is to assess the carcinogen and non-carcinogen risks due to exposure to volatile organic compounds including methyl methacrylate (MMA), benzene, toluene, and xylene among Vietnamese nail salon workers, using probabilistic health risk assessment. Methods This study applied the probabilistic health risk assessment...
Article
Full-text available
Indoor air quality (IAQ) and particle size distribution of total bacteria and Staphylococcus spp in an urban hospital, Thailand were conducted in five outpatient departments using an Andersen six-stage impactor, together with measurements of indoor temperature, relative humidity and carbon dioxide level. Total airborne bacteria and Staphylococcus s...
Article
Full-text available
Objectives: Nail workers are exposed to many hazardous chemicals. Despite many warnings about health problems among nail workers in other countries, data concerning exposure to chemical hazards among nail workers is still limited in Vietnam. In this study, we aimed to identify exposure to volatile organic compounds and their relationship with occu...
Article
Airborne particulate samples were collected in Bangkok, Thailand, using high-volume air samplers from March 2006 to March 2007. The sampling sites were the Huay-Khwang Community Housing (HCH) and the Ratburana Post Office (RPO), represented as residential and industrial areas, respectively. The samples collected were analyzed by inductively coupled...
Article
Full-text available
The space/time distribution of PM10 in Thailand is modeled using the Bayesian maximum entropy (BME) method of modern spatiotemporal geostatistics. Three kinds of BME spatiotemporal maps over Thailand are sought on the most polluted day for each year of a 6-year period from 1998 to 2003. These three maps are (1) the map of the BME estimate of daily...
Conference Paper
Background and Objectives: Although the deleterious effects of air pollution from fossil fuel combustion have been demonstrated in many Western nations, fewer studies have been conducted in Asia. The Public Health and Air Pollution in Asia (PAPA) project assessed the effects of short-term exposure to air pollution on daily mortality in Bangkok, Tha...
Article
In order to investigate the ozone dry deposition above a tropical forest in Southeast Asia, the field experiments were performed in a flat deciduous (teak) forest in Mea Moh located in northern Thailand, in the dry season, from January to April 2002. The experimental period included both the leafless period and transitional period between lush and...
Article
Particulate samples of agricultural waste burning, straw burning, forest leaf burning, heavy duty truck emission, paved road dust, soil, agricultural soil, coal, electrostatic precipitator ash, and emission from stack power plant were collected from the Mae Moh area. Chemical compositions of sampling filters were analysed to determine the particula...
Article
Full-text available
The objective of this study was to analyze the current situation of laboratory accreditation (LA) in Thailand, especially on occupational and environmental health. The study integrated both quantitative and qualitative approaches. The response rate of the quantitative questionnaires was 54.5% (226/415). The majority of the responders was environmen...
Article
Recognizing the adverse effects of acid deposition and its transboundary nature, efforts have been made for the past six years by countries in the East Asian region to establish acid deposition monitoring network in the region by taking a step-by-step approach towards the formal establishment. The First Intergovernmental Meeting held in March 1998...
Article
Several studies in North American cities have reported associations between air pollution and respiratory symptoms. Replicating these studies in cities with very different population and weather characteristics is a useful way of addressing uncertainties and strengthening inferences of causality. To this end we examined the responses of three diffe...
Article
A report on the Air & Waste Management Association's (A&WMA) 1 st International Urban Environmental Infrastructure Forum is presented. The meet brought together 115 delegates from 30 cities around the world to discuss air quality and health, mobile source, and transportation planning issues. The forum's goals included providing an opportunity for u...
Article
An on-board measurement system was assembled and used to compare the emissions and performance of buses in Bangkok, Thailand under actual driving conditions. Three similar buses were compared: one using an engine without special emissions control design, one with an engine meeting Euro 1 standards, and one with an engine meeting Euro 2 standards. A...
Article
The transfer of materials from the liquid phase to the gaseous phase by the bursting of gas bubbles at the liquid surface is of concern in many industrial and environmental applications, e.g., microorganism generation from wastewater treatment plants and health club whirlpools. Most previous studies have focused on single-bubble bursting, which is...
Article
In studies at 5 degrees C and pH 9.0, poliovirus 1 was inactivated about 15 times more rapidly by free chlorine (FC) in purified water in the presence of 1,262 mg of KCl per liter (approximately 0.0169 M) than in the absence of KCl. In the presence of 526 mg of KCl per liter, the virus was inactivated about seven times more rapidly by FC than in th...
Article
At 5 degrees C, poliovirus 1 was inactivated by free chlorine (FC) at pH 9.0 more than 10 times as rapidly in drinking water as in purified water. Because ions that comprise many salts potentiate the virucidal effectiveness of FC, we believe that ions and possible other substances in the drinking water potentiated the virucidal effectiveness of FC....
Article
Poliovirus 1 was inactivated by free chlorine at pH 9.0 three times more rapidly in boric acid (0.05 M)-NaOH buffer than in purified (carbon-filtered, deionized) water. Thus, at a given concentration of free chlorine, it took three times longer to inactivate the same fraction of the poliovirus in purified water than in the boric acid-NaOH buffer. C...
Article
Full-text available
In Bangkok area, the MTBE and BTEX in ambient air at gas stations and traffic area were investigated. The air samples collected from 9 gas stations and 6 junctions by using thermal desorption tube were analyzed by GC/FID. The pump-island means of MTBE and BTEX were 719.34+1,285.45, 69.44+107.04, 216.07+257.15, 26.70+25.99, and 100.68+114.03 µg/m 3...

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