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<br />o Development of overall rainmaking evaluation techniques <br /> <br />-' Hypothetical analysis for target area invest:igation. <br />- Hypothetical analysis for extended area investigation. <br />- Cost-benefit assessment of precipitation enhancement. <br />- Preevaluation on rainmaking operations for cultivation. <br />- Preevaluation on rainmaking operations for conservation. <br /> <br />o Development of rainmaking data-base system <br /> <br />- Meteorological synoptic situation data. <br />- Radiosonde observation data. <br />- Weather radar observation data. <br />- Hydrological data. <br />- Overall rainmaking operation data and observation. <br /> <br />o Overall rainmaking assessment <br /> <br />Typically the research and development studies (i.e:., those available in <br />Engli sh) appear to be "prellmi nary" studi es (Fl ueck" 1986), and thus they <br />are at best suggestive of topics in need of further scientific examination. <br />Clearly, these topics are important to weather modification in Thailand and <br />other countries, and thus they deserve to be given further substantive <br />scientific attention. <br /> <br />H. Environmental Activities <br /> <br />Both the staff and the Advisory Board of the RRRDI recognize the need to <br />conduct studies and monitoring activities to assure that the program of the <br />Institute is implemented in an environmentally sound manner. To date <br />environmental investigations have focused on assessing and monitoring <br />potential public health risks associated with the use of seeding materials. <br /> <br />The Institute has conducted studies in conjunction with the Division of <br />Occupational Health, Department of Health, Ministry of Public Health to <br />examine the potential impacts of seeding agents on drinking water quality <br />(RRRDI/Rainmaking Chemicals Section, 1984). The RRRDI, the Meteorological <br />Department and the Faculty of Public Health of Mahidol University are pre- <br />sently conducting a study of the physical and chemical impact of seeding <br />chemicals on water quality. They are testing water samples collected in <br />operational areas using the World Health Organizationls Standards for <br />Drinking Water as a reference. Preliminary results indicate that the <br />impact of seeding chemicals on water quality is not significant with regard <br />to public health; however, the program will be expanded into a more <br />complete research program in the northeast region. <br /> <br />I. Staff Capabilities and Training Programs <br /> <br />" <br /> <br />. <br /> <br />The RRRDI personnel currently number approximately 200 and can be <br />classified into three groups: (1) scientists and engineers, (2) tech- r <br />nicians, and (3) support staff which includes chemical workers, office <br />workers and transportation workers. All of the 28 scientists and engineers <br /> <br />36 <br />