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Resti Ayu Lestari
Departemen Teknik Lingkungan Universitas Andalas, Padang
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Medicine & Pharmacology Nursing Public Health

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Analisis Risiko Non Karsinogenik Pajanan PM10 di Kawasan Komersial, Kota Jambi Rizki Andre Handika; Solikhati Indah Purwaningrum; Resti Ayu Lestari
Jurnal Serambi Engineering Vol 4, No 2 (2019)
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v4i2.1329

Abstract

PM 10 Pollutant is an air particulate that cannot be detected by a nose hair. It contains carcinogenic and non-carcinogenic chemical components. This study, therefore, aims to quantify the concentration of PM 10 and identify the risks of the non-carcinogenic type’s exposure to the public’s health in the commercial area of Pasar Jambi sub-district. Measurement of PM  concentration was performed on Sunday (weekend) and Monday (weekday) using high volume air sampler (HVAS). Furthermore, questionnaire and interviewing were implemented on 95 people amounting to 12% of the total population. The result shows that PM 10  concentrations were observed to have exceeded ambient air quality standards of 196.9 µg/m3 on weekend and 2.094 µg/m3 weekday. Further- more, the average concentration of Al and Mn in PM 10  were 1.69384 µg/m3 and 0.04191 µg/m3 respectively. Although the public health activity was already at the risk of PM10 non-carcinogenic exposure in the commercial district (i.e RQ 1), there has notbeen any environmental health risks for the non-carcinogenic metals (Al and Mn) to the society. Therefore, risk management is carried out to protect the population from PM risks. Risk management comprises calculating the safe concentration, duration, frequency, and time of exposure on these weekend and weekday
PENGARUH TATA GUNA LAHAN DAN DAYA RESAP TANAH TERHADAP KUALITAS DAN KUANTITAS PENGOMPOSAN LUBANG RESAPAN BIOPORI (LRB) Yenni Ruslinda; Anugrah Andikmon; Resti ayu Lestari; Hendra Gunawan
Jurnal Reka Lingkungan Vol 10, No 2 (2022)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekalingkungan.v10i2.155-164

Abstract

Pengomposan Lubang Resapan Biopori (LRB) merupakan salah satu teknologi pengolahan sampah organik yang dilakukan di dalam tanah pada area terbuka, sehingga dipengaruhi oleh kondisi lingkungan. Penelitian ini bertujuan menganalisis pengaruh tata guna lahan dan daya resap tanah terhadap kualitas dan kuantitas pengomposan LRB. Penelitian dilakukan pada empat variasi tata guna lahan yaitu kebun/pekarangan, jalan tanah, pemukiman padat dan agak padat  serta jalan aspal dengan daya resap tanah masing-masing variasi adalah 83%, 40%, 28% dan 13%. Komposisi bahan baku terdiri dari 50% sampah makanan dan 50% sampah halaman yang telah dicacah berukuran 0,3- 1,5 cm. Analisis dilakukan terhadap kematangan kompos dengan pengamatan di lapangan, kualitas kompos dengan analisis di laboratorium dan kuantitas kompos dengan menimbang berat kompos padat. Hasil penelitian menunjukkan untuk semua variasi tata guna lahan, analisis kematangan dan kualitas kompos dari unsur fisik dan unsur makro sudah memenuhi standar kualitas kompos sesuai SNI 19-7030-2004. Lama pengomposan berkisar 47-58 hari dengan kuantitas kompos padat yang dihasilkan 60-72,14% dari berat bahan baku kompos. Pengomposan LRB lebih optimal dilakukan pada tata guna lahan kebun/pekarangan yang memiliki daya resap tanah yang tinggi sehingga dapat meresapkan air hujan lebih cepat air ke dalam tanah dan mempercepat proses kematangan kompos.
Analisis Manajemen dan Iklim Keselamatan di Lingkungan Kerja pada Industri Semen Indonesia: Sebuah Review Intania Dwi Ningtias; Taufiq Ihsan; Resti Ayu Lestari
JURNAL DUNIA KESMAS Vol 9, No 2 (2020): Volume 9 Nomor 2
Publisher : Fakultas Kesehatan Masyarakat Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jdk.v9i2.2853

Abstract

Analisis iklim keselamatan kerja pada industri semen di Indonesia dilakukan dengan mengetahui persepsi para pekerja terhadap kebijakan Keselamatan dan Kesehatan Kerja(K3) yang ada. Setiap proses kerja yang terdapat di industri semen mulai dari proses penambangan hingga proses pengemasan mempunyai potensi bahaya K3 karena melibatkan berbagai macam peralatan, alat-alat listrik, dan interaksi pekerja dengan peralatan. Agar proses produksi berjalan lancar, sebaiknya meminimalisir terjadinya kesalahan kerja. Berdasarkan kajian literatur, dengan populasi sampel berkisar antara 30 hingga 102 pekerja sampel, terdapat beberapa faktor yang paling berpengaruh dalam manajemen dan iklim keselamatan kerja di Industri semen yaitu umur, masa kerja, sikap dan persepsi terhadap penerapan K3, pengetahuan (K3), safety talk, gaya kepemimpinan transformasional, budaya organisasi, motivasi ekstrinsik, lingkungan kerja fisik di tempat kerja dan kebijakan K3 pada perusahaan.  Perbaikan yang disarankan meliputi karakteristik pekerja, safety behavior dan budaya keselamatan.
Potensi Penyebaran Covid-19 di Objek Wisata Indoor Sumatera Barat Berdasarkan Kualitas Fisik Udara Studi Kasus: Lubang Japang dan Istano Basa Pagaruyung Resti Ayu Lestari; Rinda Andhita Regia; Hafifatul Auliya Rahmy; Vezy Hidayatifa Thayyibah; Nadya Fadhillah Febrinaldi
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2590

Abstract

The Covid-19 pandemic is affecting indoor tourism in West Sumatra. The spread of a virus through could be influenced by indoor air quality. This study aims to analyze the potensial spread of Covid-19 in the indoor tourism in West Sumatra based on the physical indoor air quality, including PM2.5 concentration, temperature, humidity, and light intensity. The research objects were Lubang Japang Bukittinggi and Istano Basa Pagaruyung. The research was conducted by using sampling and interview methods. The data obtained were compared to Permenkes No. 1077/Menkes/Per/V/2011 and the suitable environmental conditions for the virus. The results showed that the temperature values in tourist objects were below the standards used. The temperature value in the research objects ranged from 20oC to 30oC. The humidity, light intensity, and PM2.5 concentration values were outside the ranges stipulated by regulations. Lubang Japang humidity was: 75.97 - 94.76 Rh; Istano Basa Pagaruyung: 65.83 - 67.16 Rh. Lubang Japang light intensity was: 0.4 - 4.0 Lux; Istano Basa Pagaruyung: 28 - 38 Lux. The concentration of PM2.5 at Lubang Japang: 187.45 µg / Nm3; Istano Basa Pagaruyung: 77.29 µg / Nm3. Based on this research, the humidity and the PM2.5 concentration of the research objects have the potential to spread the Covid-19.
Kinerja Pengomposan Lubang Resapan Biopori Ditinjau dari Lokasi, Musim dan Penambahan Bahan Aditif Yenni Ruslinda; Suci Mahdianti; Resti Ayu Lestari; Hendra Gunawan
Jurnal Serambi Engineering Vol 8, No 1 (2023): Januari 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i1.5581

Abstract

AbstractBiopore Infiltration Hole (BIH) Composting is influenced by the compost raw material's type, composition, and size, the addition of additives and activators, soil texture, land use, and weather conditions. Composting performance can be improved if these factors can be optimized. This study aims to analyze the performance of BIH composting in terms of location, season, and additives. Composting is done by varying the location/season, type, and weight of additives. For locations/seasons, composting is carried out in protected areas representing the dry season and open areas representing the rainy season. Variations of additives consist of no additives, 100% sawdust, 100% rice husks, and a mixture of sawdust and rice husks with variations in the weight of additives of 1.5% and 3% of the weight of the compost raw material. The analysis was carried out on the maturity test, the quality of physical and macro elements, and the quantity of compost. The results showed that all variations of composting had met the quality standards of domestic organic waste compost according to SNI 19-7030-2004 to test the maturity and quality of compost. The addition of additives can speed up the composting time by 2-6 days and increase 7.15-35.71% the quantity of solid compost. Composting with the addition of 100% rice husk additives at 1.5% of the weight of the compost raw material and carried out in protected locations (dry season) is the most optimal BIH composting.Keywords: additives, composting, Biopori Infiltration Holes (BIH), location, season
Potensi risiko pajanan PM2,5 pada pekerja tambang batu kapur di PT.X Kab. 50 Kota Resti Ayu Lestari; Fiqi Arkan Shadiq; Rinda Andhita Regia; Fadjar Goembira; Fajril Akbar
Riset Informasi Kesehatan Vol 10 No 2 (2021): Riset Informasi Kesehatan
Publisher : Sekolah Tinggi Ilmu Kesehatan Harapan Ibu Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30644/rik.v10i2.581

Abstract

Latar belakang: Penambangan batu kapur di PT.X merupakan salah satu kegiatan penyumbang emisi PM2,5 di Kab. 50 Kota yang berpotensi menimbulkan risiko penyakit pada saluran pernapasan yang mencakup risiko non karsinogenik maupun karsinogenik. Tujuan penelitian ini adalah untuk mengetahui risiko yang dialami pekerja akibat paparan PM2,5. Metode: Penelitian ini merupakan penelitian kuantitatif dengan metode deskriptif. Pengambilan data dilakukan dengan sampling PM2,5 serta pengisian kuisioner/wawancara oleh pekerja (responden) yang berjumlah 14 orang. Kegiatan ini dilakukan selama jam kerja pekerja tambang tersebut. Analisis data dilakukan dengan menggunakan metode Analisis Risiko Kesehatan Lingkungan (ARKL) untuk mengetahui tingkat risiko kesehatan yang dialami oleh pekerja tambang. Hasil: Hasil penelitian menunjukkan bahwa nilai konsentrasi PM2,5, Al, Pb dan Cd di lingkungan kerja tambang batu kapur PT.X berturut-turut adalah 0,1151 mg/m3, 0,3789 mg/m3, 0,0065 mg/m3 dan 0,0863 mg/m3. Pajanan PM2,5 dan Al tergolong risiko non karsinogenik, sedangkan pajanan logam Pb dan Cd tergolong risiko karsinogenik. Nilai risiko rata-rata non karsinogenik (RQ) PM2,5 dan Al berturut-turut adalah 0,4116 dan 9,484 (realtime). Pada kondisi lifetime, nilai rata-rata RQ dari PM2,5 dan Al berturut-turut adalah 1,2318 dan 28,3811. Nilai risiko rata-rata karsinogenik (ECR) Pb dan Cd berturut-turut adalah 5,43E-04 dan 0,48E-04 (realtime). Pada kondisi lifetime, nilai rata-rata ECR dari Pb dan Cd berturut-turut adalah 1,4E-04 dan 16,30E-04. Kesimpulan: Nilai RQ PM2,5 <1 dan ECR Cd <1E-04 (realtime) mengindikasikan bahwa pajanan PM2,5 dan Cd belum memberikan risiko bagi pekerja. Nilai RQ Al (realtime dan lifetime), PM2,5 (lifetime) >1 dan ECR Pb (realtime dan lifetime), Cd (lifetime) >1E-04 mengindikasikan bahwa pajanan polutan sudah berisiko terhadap kesehatan pekerja.
Analisis Paparan Radiasi Elektromagnetik di Jaringan Distribusi 20 KV PT PLN (Persero) Unit Pelaksana Pelayanan Pelanggan (UP3) Payakumbuh Rinda Andhita Regia; Resti Ayu Lestari; Nidham Faadhil As&#039;ad; Randy Zulkarnain
Jurnal Ilmu Lingkungan Vol 21, No 4 (2023): October 2023
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.21.4.755-765

Abstract

Salah satu pekerjaan yang akan terdampak radiasi elektromagnetik ke pekerja perusahaan milik BUMN yaitu PT PLN (Persero). Kegiatan PT PLN (Persero) dalam menjalankan penyediaan tenaga listrik seperti kegiatan pembangkit, penyaluran dan distribusi. Tujuan penelitian ini adalah mengidentifikasi risiko paparan radiasi elektromagnetik pada lingkungan kerja bagian distribusi di PT PLN (Persero) UP3 Payakumbuh. Pengukuran radiasi medan magnet menggunakan alat EMF Field Tester (EMF-823). Pengukuran radiasi elektromagnetik pada lingkungan kerja PT PLN (Persero) UP3 Payakumbuh bagian jaringan distribusi seperti pekerjaan di area Tranformator (Trafo Step Down), Jaringan Tegangan Menengah (JTM), dan Load Break Switch (LBS). Pengukuran dilakukan di 26 lokasi terdiri dari 11 lokasi pekerjaan trafo, 3 lokasi pekerjaan JTM, dan 12 lokasi pekerjaan LBS. Lokasi penelitian dilaksanakan di 26 lokasi. Pengukuran dilakukan pada saat pekerjaan berlangsung dan setelah pekerjaan selesai dilaksanakan. Titik pengukuran pada pekerja dilakukan pada sumber, jarak 1 meter, 2 meter, dan 3 meter dari sumber radiasi, dan pada masyarakat yang berada dekat dengan sumber sebanyak 2 titik. Hasil penelitian menunjukkan nilai radiasi medan magnet yang terpapar ke pekerja pada saat pekerjaan untuk pekerjaan trafo berkisar antara 0,00-0,05 µT, pekerjaan tiang JTM yaitu 0,00 µT, dan untuk pekerjaan LBS yaitu 0,00-0,12 µT. Nilai radiasi medan magnet yang terpapar ke masyarakat yaitu 0,00 µT. Hal ini menandakan bahwa nilai radiasi medan magnet pada pekerja dan masyarakat masih memenuhi baku mutu Peraturan Menteri Kesehatan Republik Indonesia No. 70 tahun 2016 dan International Commission and Non-Ionizing Radiation Protection (ICNIRP) yang artinya masih aman dan tidak berisiko menimbulkan gangguan kesehatan pekerja dan masyarakat.Kata kunci: Medan magnet, PT. PLN UP3 Payakumbuh, Radiasi elektromagnetik ABSTRACTOne of the jobs that will be affected by electromagnetic radiation is PT PLN (Persero). PT PLN (Persero)'s activities in carrying out electricity such as generating, distribution, and distribution activities. This study aimed to identify the risk of exposure to electromagnetic radiation in the distribution division work environment at PT PLN (Persero) UP3 Payakumbuh. Measurement of magnetic field radiation using the EMF Field Tester (EMF-823). Measurement of electromagnetic radiation in the work environment of PT PLN (Persero) UP3 Payakumbuh in the distribution network section, such as work in the Transformer (Step Down) area, Medium Voltage Network (JTM), and Load Break Switch (LBS). This research was conducted at 26 locations consisting of 11 transformer workplaces, 3 JTM workplaces, and 12 LBS workplaces. The research location was carried out in 26 areas. It is made during the work in progress and after the work is completed. Measurement points for workers are carried out at the source, a distance of 1 meter, 2 meters, and 3 meters from the radiation source, and 2 points for the public. The results showed that the radiation value of the magnetic field exposed to workers at the time of work for transformer work ranged from 0.00-0.05 µT, JTM pole work was 0.00 µT, and for LBS work, it was 0.00-0.12 µT. The radiation value of the magnetic field exposed to the public is 0.00 µT. It indicates that the value of magnetic field radiation on workers and the public still meets the quality standards of the Regulation of the Minister of Health of the Republic of Indonesia No. 70 of 2016 and the International Commission and Non-Ionizing Radiation Protection (ICNIRP). So it is still safe and does not risk causing health problems for workers and the public.Keywords: Magnetic field, PT. PLN UP3 Payakumbuh, Electromagentic radiation
Kinerja Pengomposan Lubang Resapan Biopori Ditinjau dari Lokasi, Musim dan Penambahan Bahan Aditif Yenni Ruslinda; Suci Mahdianti; Resti Ayu Lestari; Hendra Gunawan
Jurnal Serambi Engineering Vol 8, No 1 (2023): Januari 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i1.5581

Abstract

AbstractBiopore Infiltration Hole (BIH) Composting is influenced by the compost raw material's type, composition, and size, the addition of additives and activators, soil texture, land use, and weather conditions. Composting performance can be improved if these factors can be optimized. This study aims to analyze the performance of BIH composting in terms of location, season, and additives. Composting is done by varying the location/season, type, and weight of additives. For locations/seasons, composting is carried out in protected areas representing the dry season and open areas representing the rainy season. Variations of additives consist of no additives, 100% sawdust, 100% rice husks, and a mixture of sawdust and rice husks with variations in the weight of additives of 1.5% and 3% of the weight of the compost raw material. The analysis was carried out on the maturity test, the quality of physical and macro elements, and the quantity of compost. The results showed that all variations of composting had met the quality standards of domestic organic waste compost according to SNI 19-7030-2004 to test the maturity and quality of compost. The addition of additives can speed up the composting time by 2-6 days and increase 7.15-35.71% the quantity of solid compost. Composting with the addition of 100% rice husk additives at 1.5% of the weight of the compost raw material and carried out in protected locations (dry season) is the most optimal BIH composting.Keywords: additives, composting, Biopori Infiltration Holes (BIH), location, season
Analisis Jejak Karbon Dari Aktivitas Transportasi di Universitas Andalas Yega Serlina; Fadhil Aditya Putra; Resti Ayu Lestari; Vera Surtia Bachtiar
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Increasing Green House Gases (GHG), including Carbon Dioxide (CO₂), have the potential to increase global temperatures, thereby causing climate change. Total CO₂ from human activities, for example transportation, electricity generation, industry, trade and agriculture, is expressed as a carbon footprint. Andalas University (Unand) has facilities that produce GHGs. This research aims to analyze the carbon footprint in Unand in the transportation sector. Samples were taken at the main gate (point 1) and back gate (point 2) Unand. For these two locations, the number of vehicles and fuel is calculated using the direct calculation method. The carbon footprint calculation refers to the Intergovernmental Panel on Climate Change (IPCC). The next step is to identify the potential for GHG reduction in Unand. The alternative GHG reduction observed is the absorption of CO₂ by vegetation. The research results show that the total carbon footprint on the Limau Manis Unand Campus is 2,221,020 kgCO₂eq/year from Point 1 and Point 2. The total CO₂ eq absorption capacity by vegetation on the Limau Manis Unand Campus is 9,297,557.51 kgCO₂ equivalent/year. When compared with the total CO₂ eq from transportation activities, the potential for reducing CO2 eq by vegetation is quite large. So, the Unand Campus road vegetation is still sufficient to reduce the 'contribution' of CO₂ eq from transportation activities in Unand to greenhouse gases. However, it is necessary to consider other possible sources of CO₂ besides transportation and the need to maintain existing vegetation
Co-Authors Anugrah Andikmon Fadhil Aditya Putra Fadjar Goembira Fajril Akbar Fiqi Arkan Shadiq Gunawan, Hendra Hafifatul Auliya Rahmy Intania Dwi Ningtias Nadya Fadhillah Febrinaldi Nidham Faadhil As&#039;ad Randy Zulkarnain Regia, Rinda Andhita Rizki Andre Handika Solikhati Indah Purwaningrum Suci Mahdianti Taufiq Ihsan Vera Surtia Bachtiar Vezy Hidayatifa Thayyibah Yega Serlina Yenni Ruslinda