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Iswanto Iswanto
Polteknik Kesehatan Kemenkes Yogyakarta
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Pemanfaatan Kelobot Kering Sebagai Bahan Pembuatan Kertas Ahmad Nur Syahid; Abdul Hadi Kadarusno; Iswanto Iswanto
Sanitasi: Jurnal Kesehatan Lingkungan Vol. 6 No. 1 (2014): Agustus
Publisher : Poltekkes Kemenkes Yogyakarta

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Abstract

The increase of national corn production impacted to the increase of dry corn husk waste. The waste, if were not handled properly would cause environmental problems. Dry corn husk consist of 15,7 % lignin, 36,81 % cellulose, and 27,01 % lignecellulose, so that it can be used as mate-rial in paper making. The purpose of the study is to understand the influence of dry corn husk pulp variations on the pulling strength of the paper made, by conducted an experimental study which followed post-test only design. Five variations of the mass ratio of used paper pulp and dry corn husk pulp used in this study were: 1:0; 1:2; 1:2.5; 1:3; and 0:1; and were obeserved in nine replications. The results showed that the average of pulling strength of the paper yielded from above five ratio, respectively were: 2.030,02 grams; 7.004,06 gr; 9.038,37 gr; 11.888,78 gr; and 17.970,59 gr. Based on the results of the one way anova test, it was revealed that corn husk waste pulp determined the pulling strengh of the paper produced. The pulp waste only without used paper pulp addition earned the biggest pulling strength. The cellulose, lignin and hemicellu-lose content in dry corn husk were considered have function as an adhesive between the fibers and reinforce the bond and the length of the fibers. To conclude, the bigger the mass ratio be-tween corn husk pulp and used paper pulp, the higher the pulling strength will be gained.
Pengaruh Daya Repelensi Tanaman Zodia, Rosemary dan Sereh Wangi terhadap Nyamuk Aedes Aegypti Itsna Hidayati; Iswanto Iswanto; Achmad Husein
Sanitasi: Jurnal Kesehatan Lingkungan Vol. 10 No. 1 (2018): Agustus
Publisher : Poltekkes Kemenkes Yogyakarta

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Abstract

Dengue Haemorrhagic Fever (DHF) is an environmental based disease that transmitted by Aedes aegypti mosquitoes. There are three efforts to control Aedes aegypti, one of which is the useof anti mosquito plants that is categorized as biological control. This study was aimed to determine the effect of repelling power of three anti-mosquito plants (Zodia, Rosemary and Citronella)in the form of intact and chopped exposure on Aedes aegypti. The study was an experiment withpost test only design. The observation shows that the highest number of Aedes aegypti mosquetoes was repelled by chopped Zodia, i.e. 36 % or 17,99 mosquitoes in average; and the lowestnumber is by Citronella in the form of whole plant, i.e.7 % or 3,63 mosquitoes in average. Oneway Anova test obtained a p-value of <0,001; which means that the difference of the number ofmosquito repelled by each treatments is significant, and can be interpreted that the repelling power among the all treatments is significantly different. To conclude, the best repellent is choppedZodia.
Studi Penerapan Sistem Manajemen Kesehatan dan Keselamatan Kerja (SMK3) di RSUP Dr. Sardjito Yogyakarta Ullya Rahmawati; Muryoto Muryoto; Iswanto Iswanto
Sanitasi: Jurnal Kesehatan Lingkungan Vol. 2 No. 4 (2010): Februari
Publisher : Poltekkes Kemenkes Yogyakarta

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Abstract

The management system on occupational health and safety (SMK3) should be implemented as well in hospitals. The ministry of labour's regulation No.05/ Men/ 1996 states that all industries, included hospitals, which has potentiality of health risk should applying the system. This study was aimed to understand the effectivity of SMK3 implementation and its relationship with occupational accidents in DR Sardjito General Hospital between 2004-2007 by conducting a survey based descriptive study. The data were collected using check list for auditing the re- lated documents and conducting indepth interview with the head of in-patient care wards. The results show that the score of SMK3 implementantion was 93,97 % or at a very good level. The highest frequency rate was 1,44 in 2004, and the lowest was 0,24 in 2007. It can be concluded that the implementation of SMK3 in DR Sardjito General Hospital is assessed as good and effective. However, more attention should be paid to unreported accidents which becoming the primary finding in the audit. Furthermore, external audit and sertification in the future should be planned and implemented.
Co-Authors Abdul Hadi Kadarusno Achmad Husein Ahmad Nur Syahid Itsna Hidayati Muryoto Muryoto Ullya Rahmawati