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Ceni Febi Kurnia Sari
Jurusan Teknik Pertambangan, Fakultas Teknik Pertambangan dan Perminyakan, Universitas Papua, Manokwari – Papua Barat
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Mechanical Engineering

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STUDY QUALITY OF WATER A RIVER AYAI AT AYAWIT DOWN TOWN, DISTRICT MEYAH – REGENCY OF TAMBRAUW IN THE PROVINCES OF WEST PAPUA Supardi; Ceni Febi Kurnia Sari
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 01 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i01.5813

Abstract

Natural resources, namely water, are abundant in Indonesia, which calls for all living things as a source of life. Therefore, abundant water resources must be protected and sustainably maintained, the use of water that is used properly and wisely by always taking into account the needs of children and grandchildren. The available water must be maintained in quantity and quality. Problems that often occur related to the availability of water, among others, the quantity of good water to use is limited while the need for water continues to increase, both for household, agricultural, and company needs. 2003). The decline in water quality is not only from industrial waste but also from household waste in the form of solid and liquid (Lallanilla, 2013). The purpose of this paper is to analyze the quality of river water and determine the status of the water quality of the Ayai River, Meyah District, Tambrauw Regency. The water quality of the Ayai River is based on the test results of several parameters. There is pollution downstream caused by the very high runoff, so it is contaminated with organic matter. The results of testing the water quality standards found that several parameters downstream of the Ayai River were lightly polluted. It was concluded that based on the calculation results of the Ayai river downstream of the river, there was pollution for parameters BOD5 6.4 mg/L, total phosphate 0.60 mg/L, zinc (Zn) < 0.065mg/L and Free Chlorine (CI2) < 0.12mg/ L which indicates that the water is in a polluted condition with these parameters.
PARETO DIAGRAMS STUDY OF GROSS REGIONAL DOMESTIC PRODUCT EXPOSURE IN CERTAIN SECTORS IN A REGION Ceni Febi Kurnia Sari; Supardi
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 02 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i02.6643

Abstract

Study is learning scientific study. A Pareto chart is a diagram consisting of a bar graph and a line graph that illustrates a comparison of each type of problem data with its overall causes. Gross Regional Domestic Product (PDRB) is the total gross added value arising from all economic sectors in a particular area. Which is usually a Pareto Diagram made to describe the PDRB of a particular area which aims to help make regional policies or planning, evaluate development results, provide information that can describe the regional economic performance. In terms of the topic of this pareto diagram study, the author takes the exposure of rock mining in Manokwari Regency. The mining of these rocks is a source of income in the Manokwari Regency area which can support the economy in the Manokwari Regency area. Where mining activity or mining activity is a process or activity of taking material that can be extracted from the earth to the utilization of minerals, both for the benefit of the company, the surrounding community, as well as local and central government.
Co-Authors Supardi