An evaluation of individual water supply systems' reference materials as available in local health departments in Oregon Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/st74cs90j

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  • Part of the responsibility of maintaining the sanitary quality of individual water supply systems has been placed on the local sanitarian of Oregon. Because of this, he must be knowledgeable about individual water supply systems. One such source of knowledge has been the supply of written reference materials available in his office. There have been no publications concerning individual water supply systems which have been directed to the sanitarian in Oregon. Materials used have been general in nature. Considering this lack of a specific material concerning individual water supply systems in Oregon, the following hypotheses were formed: 1) There will be less than 100 percent uniform reference materials concerning individual water supply systems in each of the offices of the local sanitarians. 2) Utilizing their available references, the local sanitarians will not be able to document 70 percent or more of the specific statements on water supply systems. 3) The local sanitarians will agree with an expert technical committee's opinion on the basic knowledge a sanitarian should have concerning individual water supply systems. Several assumptions concerning the design of this study were also made and are as follows: 1) Each member of the expert technical committee is an expert in individual water supply system construction, operation and maintenance. 2) The expert technical committee is competent to determine the basic knowledge of the sanitarians of Oregon concerning individual water supply systems. 3) All local sanitarian staffs are equally competent in using their reference materials to complete the survey. 4) The local sanitarians will respond to the survey accurately and honestly. 5) The survey form is a valid instrument. A committee of seven professional persons familiar with individual water supply systems and the work of the sanitarian was formed for the purpose of determining a list of basic knowledge that a sanitarian in Oregon should have concerning individual water supply systems. From each item on the list of basic knowledge, a corresponding statement of fact was derived. Each statement of fact was determined by the expert technical committee to be a fair representation of its corresponding item on the list of basic knowledge. A three section survey form based on the list of basic knowledge was sent to each local sanitarian staff of the health departments in Oregon. In the first section, the sanita_rians catalogued the reference materials in their offices. In the second section, the sanitarian staffs documented the list of specific statements utilizing their available references. In the third section, the sanitarian staffs gave their opinions on each item on the list of basic knowledge. The results were limited by the size of the sample and by the number of completed sections on the survey forms. Based upon the 71.4 percent return of the survey forms with Section I completed, a total of 71 different references were determined to be available in the offices of the participating health departments. The most common references had a frequency of availability of 42. 9 percent. Based upon the 50. 0 percent return of the survey forms with Section II completed, the average number of documentations of the specific statements was 51. 6 percent. Based upon the 75. 0 percent return of the survey forms with Section III completed, the sanitarian staffs agreed with the expert technical committee on the list of basic knowledge that a sanitarian should have concerning individual water supply systems. A recommendation was made that a manual concerning individual water supply systems be written for sanitarians in Oregon, and that this study of the propriety of reference materials be carried over to other aspects of the sanitarians' work.
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