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Vera Surtia Bachtiar
Departemen Teknik Lingkungan, Universitas Andalas
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ANALISIS TINGKAT KEBISINGAN DAN USAHA PENGENDALIAN PADA UNIT PRODUKSI PADA SUATU INDUSTRI DI KOTA BATAM Vera Surtia Bachtiar; Yommi Dewilda
Jurnal Dampak Vol 10, No 2 (2013)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.10.2.85-93.2013

Abstract

Analisis tingkat kebisingan dilakukan pada suatu unit produksi Fusion Bonded Epoxy (FBE), Industri X yang berada di Kota Batam. Penelitian dilakukan pada 45 titik pengukuran. Tujuan penelitian ini adalah untuk mengetahui intensitas kebisingan yang dihasilkan oleh unit produksi Industri X. Metode pengukuran tingkat tekanan suara mengacu pada KepMenLH No 48 Tahun 1996, dan alat yang digunakan adalah Sound Level Meter. Pengukuran tingkat tekanan suara (Lp) dilakukan selama 1 shift kerja. Hal ini dikarenakan berdasarkan penelitian pendahuluan diperoleh nilai tingkat tekanan suara ekivalen (Leq) 24 jam adalah sama. Intensitas kebisingan tertinggi dihasilkan pada lokasi coupling insertion yaitu sebesar 92 dB(A), dan intensitas kebisingan terendah terdapat pada area di dekat kantin yaitu sebesar 62 dB(A). Berdasarkan hasil evaluasi kebisingan, 12 titik pengukuran (26,7 %) telah melebihi Nilai Ambang Batas (NAB) kebisingan menurut KepMenaker No 51/1999 (85 dB(A) untuk 8 jam kerja perhari). Upaya pengendalian kebisingan yang direncanakan adalah dengan pemasangan vibration isolation, partial enclosure, muffler, pengendalian secara administrasi dan pengendalian bising pada pekerja (pemakaian earplug dan earmuff)Kata kunci: Industri X, kebisingan, tingkat tekanan suara, pengendalian kebisingan.
STUDI PAPARAN KONSENTRASI GAS KARBONMONOKSIDA (CO) DI LINGKUNGAN KERJA PETUGAS PARKIR DAN POLISI LALU LINTAS DI KOTA PADANG Vera Surtia Bachtiar
Jurnal Dampak Vol 10, No 1 (2013)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.10.1.60-72.2013

Abstract

ABSTRAKStudi paparan konsentrasi gas karbonmonoksida (CO) terhadap petugas parkir dan polisi lalu lintas bertujuan untuk mengetahui tingkat paparan yang diterima di udara tempat kerjanya dan melihat beberapa variabel yang mempengaruhi konsentrasi gas CO. Penelitian ini dilakukan di areal parkir tertutup di pusat perbelanjaan terbesar Kota Padang (Plaza Andalas dan Rocky Plaza Hotel) dan di 5 pos jaga Polisi Lalu Lintas. Pengukuran gas CO dilakukan dengan menggunakan CO meter dengan electrochemical sensor dan dioperasikan selama 1 jam di setiap titik pengukuran. Pengukuran CO di areal parkir tertutup menunjukkan bahwa konsentrasi CO di udara kerja petugas parkir Plaza Andalas dan Rocky Plaza Hotel melebihi batas baku mutu, sementara jumlah kendaraan yang mengkontribusi gas selama pengukuran di areal parkir memiliki hubungan yang kurang kuat(R2=6,5%-51%) terhadap peningkatan konsentrasi CO. Sedangkan dari hasil pengukuran gas CO di 5 pos jaga polisi lalu lintas menggambarkan bahwa konsentrasi CO masih berada di bawah baku mutu, dan volume lalu lintas sebagai variabel bebas yang diduga berpengaruh memiliki hubungan yang kurang kuat (R2=45%) terhadap peningkatan gas CO di udara tempat kerja Polisi Lalu Lintas.Kata kunci: Gas karbonmonoksida (CO), petugas parkir, polisi lalu lintas, CO meter.ABSTRACTStudy of carbon monoxide concentration (CO) of the parking attendants and traffic police checkpoints aimed to determine acceptable levels of exposure in the workplace area and to see some of variables that affect the concentration of CO. The research was carried out in the parking lots of Padang's largest shopping center (Plaza Andalas and Rocky Plaza Hotel) and in 5 traffic police checkpoints. CO measurements were carried out using a CO meter with an electrochemical sensor and operated for 1 hour at each measurement point. Measurement of CO in the covered parking area indicated that the concentration of CO in the air Andalas Plaza parking attendant job and Rocky Plaza Hotel exceeded the quality standards, while the number of vehicles that contributed during the measurement in parking areas have a less strong impact (R2 = 6.5% - 51%) of the increase in CO concentration. While the results of measurements of CO gas in 5 traffic police checkpoint illustrated that CO concentrations were still below standards, and traffic volumes as independent variables was thought to have influence a less strong impact (R2 = 45%) to the increase in CO gas air at the Police workplace.Keywords: carbonmonoxide (CO), parking attendants, traffic police checkpoints, CO meter.
Analisis Debu Respirable terhadap Masyarakat di Kawasan Perumahan Sekitar Lokasi Pabrik PT. Semen Padang Vera Surtia Bachtiar; Puspa Safitri Sanggar Rani
Jurnal Dampak Vol 13, No 1 (2016)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.13.1.1-9.2016

Abstract

The purpose of this research are to analysis air quality and dust impact to people that came from factory activities at residential area around factory location of PT. Semen Padang. Measuring of air quality conducted in 3 residential area that are Komplek RW 1, RT 3 Batu Gadang district, Perumnas Indarung RW. VII, and housing of UNAND Blok D Gadut, using Personal Dust Sampler. The result is respirable dust concentration at housing complex RW. 1 RT. 3 Batu Gadang district that is 0,33 mg/m, the Perumnas Indarung RW.VII that is 0,55 mg/m along with housing of UNAND Blok D Gadut that is 0,44 mg/m. Concentration of dust respirable at all are still below ambient air quality standard that exist on PP RI No. 41 Tahun 1999, 3 mg/m. Based on quesioner and puskesmas data proximate with use univariat analysis, negative impact who feels people are impact of health is eyes irritation disease and impact of environment especially community-owned material. Keywords: air quality, negative impact, residential area, respirable dust, PT. Semen Padang ABSTRAKPenelitian ini bermaksud untuk menganalisis kualitas udara dan dampak negatif yang dirasakan masyarakat dari debu yang berasal dari aktivitas pabrik di kawasan perumahan sekitar lokasi pabrik PT. Semen Padang. Pengukuran kualitas udara dilakukan di 3 kawasan perumahan yaitu komplek perumahan RW. 1 RT. 3 Kelurahan Batu Gadang, Perumnas Indarung RW. VII, dan Perumahan UNAND Blok D Gadut dengan menggunakan alat Personal Dust Sampler. Diperoleh hasil konsentrasi debu respirable pada komplek perumahan RT.3 RW.1 Kelurahan Batu Gadang sebesar 0,33 mg/m, pada Perumnas Indarung RW.VII sebesar 0,55 mg/m serta pada Perumahan UNAND Blok D Gadut sebesar 0,44 mg/m. Konsentrasi debu respirable pada ketiga lokasi masih berada di bawah ambang batas baku mutu udara di lingkungan, 3 mg/m. Berdasarkan kuesioner dan data puskesmas terdekat dengan menggunakan analisis univariat, dampak negatif yang dirasakan masyarakat adalah dampak terhadap kesehatan berupa penyakit iritasi mata dan dampak terhadap lingkungan khususnya pada kondisi material yang dimiliki masyarakat.Kata kunci: kualitas udara, dampak negatif, kawasan perumahan, debu respirable, PT. Semen Padang
Evaluasi Tingkat Kebisingan Kawasan Selatan Universitas Negeri Padang Vera Surtia Bachtiar; Reri Afrianita; Ary Zamzamy
Jurnal Dampak Vol 15, No 1 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.15.1.7-15.2018

Abstract

This study aims to determine and evaluate the level of noise in the southern area of Universitas Negeri Padang (UNP) Kampus Air Tawar conducted at 23 points of measurement with 16 outside outdoor points and 7 indoor measurement points. Method of measurement under regulation of Indonesian government, KepMenLH Regulation no. 48 thn 1996 which regulate the noise level standard by using SLM (Sound Level Meter). The highest outdoor noise level occurs in front of GOR UNP (S16) at the time of L3 which is 80,91 dBA, while the highest indoor noise level when there was activity as well as no activity in the room was happened in lecture hall FBSS UNP (S7-interior) with value equal to 83, 99 dBA and 64.65 dBA. All points of a total of 16 outdoor and 7 indoor measurement points exceed the standard noise level threshold which is 55 dBA (+3 dB tolerance). However, from the questionnaire results most respondents just feel slightly disturbed by outdoor noise in the study area. The noise control that can be done such as cultivate number of natural vegetation such as heliconia sp, tea, acacia tree and pringgodani bamboo, also the installation of continuous wall from type of clear fiber that serves as building noise absorbers.
STUDI KONSENTRASI CO AKIBAT KENDARAAN BERMOTOR DI KAWASAN PASAR TRADISIONAL KOTA PADANG Vera Surtia Bachtiar; Vivin Alfirna
Jurnal Dampak Vol 14, No 2 (2017)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.14.2.113-121.2017

Abstract

The traditional market area in Padang City is an area with a fairly high transportation activity of motor vehicles. The aims of this study is to determine the air quality for CO parameter due to motor vehicles in Padang City. The measurement of CO concentration was conducted in the traditional markets in Padang City which were located near the highway, namely Bandar Bandar Market, Pasar Raya Padang Market and Lubuk Buaya Market to see the effect of motor vehicle on transportation activity. CO measurements were carried out using CO meters for one hour during peak hours (07.00-08.00, except for Pasar Raya Market, conducted at 16.00-17.00) and off-peak hours (10.00-11.00 wib). CO concentrations during peak hours range between 5.92 and 11.67 ppm, while in the off-peak hours between 4.58 and 9.25 ppm. The outside of the traditional market (8.50-11.67 ppm) which is located on the edge of the highway, has a higher CO concentration than the inside (4.58-5.92 ppm). The measured CO concentrations in each location are below the national air quality standards. It means, the presence of traffic flow in the traditional market area in Padang City affects air quality on the edge of the highway, but not so affect the air quality in the inside area in the traditional market.Keywords: Transportation, Motor Vehicle, CO Concentration, Traditional Market.ABSTRAKKawasan pasar tradisional Kota Padang merupakan kawasan dengan aktivitas transportasi kendaraan bermotor yang cukup tinggi. Penelitian ini bertujuan untuk mengetahui kualitas udara untuk parameter CO akibat kendaraan bermotor di Kota Padang. Pengukuran konsentrasi CO dilakukan di pasar tradisional di Kota Padang yang berada dekat jalan raya, yaitu Pasar Bandar Buat, Pasar Raya Padang dan Pasar Lubuk Buaya untuk melihat pengaruhnya dari aktivitas transportasi kendaraan bermotor. Pengukuran CO dilakukan menggunakan CO meter selama satu jam pada jam sibuk (07.00-08.00 wib, kecuali untuk Pasar raya Padang, dilakukan pukul 16.00-17.00 wib) dan jam senggang (10.00-11.00 wib). Konsentrasi CO saat jam sibuk berkisar 5,92–11,67 ppm, sedangkan pada jam senggang sebesar 4,58 – 9,25 ppm. Bagian luar pasar tradisional (8,50–11,67 ppm) memiliki konsentrasi CO lebih tinggi dari pada bagian dalamnya (4,58-5,92 ppm). Konsentrasi CO terukur di setiap lokasi masih berada di bawah baku mutu. Artinya, adanya arus lalu lintas di kawasan pasar tradisional di Kota Padang mempengaruhi kualitas udara pada pinggir jalan raya, tetapi tidak begitu mempengaruhi kualitas udara di kawasan dalam pasar tradisonal tersebut.Kata kunci: Transportasi, Kendaraan Bermotor, Konsentrasi CO, Pasar tradisional.
Analisis Risiko Kesehatan Akibat Paparan Particulate Matter 2,5 (PM2,5) Dalam Rumah Tinggal di Perumahan X Kawasan Industri Semen Rinda Andhita Regia; Vera Surtia Bachtiar; Rifel Solihin
Jurnal Ilmu Lingkungan Vol 19, No 3 (2021): November 2021
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.19.3.531-540

Abstract

Penelitian ini bertujuan menganalisis risiko kesehatan terhadap paparan Particulate Matter 2,5 (PM2,5)di dalam rumah tinggal yang berada di kawasan industri semen. Penelitian dilakukan di Blok B dan Blok D Perumahan X. Pengambilan sampel PM2,5 menggunakan Low Volume Sampler (LVS) dan metode gravimetri untuk mengetahui konsentrasi PM2,5, serta pengukuran suhu dan tekanan udara menggunakan Pocket Weatherman . Analisis risiko kesehatan berdasarkan Pedoman Analisis Risiko Kesehatan Lingkungan (ARKL) Direktorat Jenderal PP dan PL Kementerian Kesehatan tahun 2012 dengan melakukan wawancara dan kuesioner dengan jumlah responden sebanyak 46 penghuni rumah. Hasil penelitian menunjukkan konsentrasi PM2,5 di Blok B dan Blok D berkisar antara 8,87 sampai 23,72 µg/m3 dengan konsentrasi tertinggi berada di Blok D. Konsentrasi tersebut masih memenuhi baku mutu Permenkes RI No. 1077 tahun 2011. Hasil perhitungan ARKL menunjukkan risiko realtime berkisar antara 0,0014 sampai 0,4529 dan risiko lifetime berkisar antara 0,0680 sampai 0,6794. Hal ini menunjukkan bahwa risiko realtime dan risiko lifetime semua responden di Blok B dan Blok mempunyai nilai Risk Quotient (RQ) <1 yang berarti paparan PM2,5 tersebut dikatakan aman dan tidak memiliki efek kesehatan yang merugikan terhadap penghuni rumah di Blok B dan Blok D Perumahan X. AbstractThis research aims to analyze the health risks of exposure to Particulate Matter 2.5 (PM2.5) in residential houses in the cement industrial area. The research was conducted in Block B and Block D, Housing X. Sampling of PM2.5 used Low Volume Sampler (LVS) and the gravimetric method to determine the concentration of PM2.5 while measuring temperature and air pressure using Pocket Weatherman. Health risk analysis based on the Guidelines for Environmental Health Risk Analysis (EHRA) of the Directorate General of PP and PL of the Ministry of Health in 2012 by conducting interviews and questionnaires with a total of 46 respondents. The results showed that the concentration of PM2.5 in Block B and Block D ranged from 8.87 to 23.72 g/m3 with the highest concentration in Block D. The concentration still met the quality standard of the Minister of Health RI No. 1077 in 2011. The results of the EHRA calculation show that the realtime risk ranges from 0.0014 to 0.4529, and the lifetime risk ranges from 0.0680 to 0.6794. It shows that the realtime risk and lifetime risk of all respondents in Block B and Block D have a Risk Quotient (RQ) value <1, which means that PM2.5 exposure is said to be safe and has no adverse health effects on residents of houses in Block B and Block D.Keywords: Block B, Block D, Cement Industry, EHRA, PM2.5
Uji Model AERMOD Terhadap Sebaran Particulate Matter 10 µm (PM10) di Sekitar Kawasan PT Semen Padang Dharma Wangsa; Vera Surtia Bachtiar; Slamet Raharjo
Jurnal Ilmu Lingkungan Vol 20, No 2 (2022): April 2022
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.20.2.291-301

Abstract

Penelitian ini bertujuan untuk menguji model AERMOD dalam memprediksi sebaran PM10 di udara ambien kawasan PT Semen Padang. Lokasi penelitian sebanyak 32 titik berdasarkan 8 arah mata angin dengan jarak 0,5 km, 1 km, 1,5 km dan 2 km dari PT Semen Padang. Pengukuran PM10 menggunakan EPAM 5000 Real Time Particulate Air Monitor dilanjutkan pemetaan dengan software Surfer 11. Waktu pengukuran dibagi menjadi 4 shift, yaitu shift 1 (00.00 – 05.59 WIB), shift 2 (06.00 – 11.59 WIB), shift 3 (12.00 – 17.59 WIB) dan shift 4 (18.00 – 23.59 WIB). Pengambilan data meteorologi (temperatur udara, tekanan udara, kelembapan, kecepatan angin dan arah angin) menggunakan alat Meteorological Station PCE-FWS-20 untuk input data pada AERMET, dilanjutkan prediksi sebaran PM10 menggunakan software AERMOD View 8.9.0. Hasil penelitian menunjukkan konsentrasi PM10 dengan EPAM 5000 berkisar antara 21,0 – 79,0 µg/m3 dengan rata-rata 24 jam sebesar 41,7 µg/m3. Konsentrasi PM10 dengan AERMOD berkisar antara 3,5 sampai 68,0 µg/m3 dengan rata-rata 24 jam sebesar 10,6 µg/m3. Jika dibandingkan dengan baku mutu untuk Peraturan Pemerintah No. 22 Tahun 2021 tentang Penyelenggaraan Perlindungan dan Pengelolaan Lingkungan Hidup, lokasi 11 dengan koordinat S 0°56'52.46" dan E 100°27'41.88"  pada  jarak 1 km kawasan Barat PT Semen Padang tidak memenuhi baku mutu. Model mendekati ideal atau dikatakan sempurna yaitu lokasi arah Timur dan Timur Laut karena elevasi yang lebih tinggi dari sumber emisi dan merupakan arah angin dominan pada siang hari.ABSTRACTThis study aims to test the AERMOD model in predicting the distribution of PM10 in the ambient air of the PT Semen Padang area. The research locations were 32 points based on eight cardinal directions with a radius of 0.5 km, 1 km, 1.5 km, and 2 km from PT Semen Padang. PM10 measurement using EPAM 5000 Real-Time Particulate Air Monitor followed by mapping with Surfer 11 software. The measurement time is divided into four shifts, namely shift 1 (00.00 – 05.59 WIB), shift 2 (06.00 – 11.59 WIB), shift 3 (12.00 – 17.59 WIB), and shift 4 (18.00 – 23.59 WIB). Meteorological data retrieval (air temperature, air pressure, humidity, wind speed and wind direction) using the Meteorological Station PCE-FWS-20 for data input to AERMET, followed by prediction of PM10 distribution using AERMOD View 8.9.0 software. The results showed that the concentration of PM10 with EPAM 5000 ranged from 21.0 – 79.0 g/m3 with a 24-hour average of 41.7 g/m3. The concentration of PM10 with AERMOD ranged from 3.5 - 68.0 g/m3 with a 24-hour average of 10.6 g/m3. When compared with the quality standard for Government Regulation no. 22 of 2021 concerning the Implementation of Environmental Protection and Management, location 11 with coordinates S 0°56'52.46" and E 100°27'41.88" at a distance of 1 km west of PT Semen Padang does not meet the quality standards. The model is close to ideal or is said to be perfect, namely the location of the East and Northeast directions because of the higher elevation of the emission source and the dominant wind direction during the day.
MODEL HUBUNGAN KONSENTRASI PARTICULATE MATTER 10 M (PM10) DI UDARA AMBIEN DENGAN KARAKTERISTIK LALU LINTAS DI JARINGAN JALAN PRIMER KOTA PADANG Hendra Gunawan; Yenni Ruslinda; Vera Surtia Bachtiar; Annisa Dwinta
Prosiding Semnastek PROSIDING SEMNASTEK 2018
Publisher : Universitas Muhammadiyah Jakarta

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

Abstract

Salah satu jenis pencemar yang dihasilkan dari aktivitas transportasi adalah Particulate Matter 10 μm (PM10), yang merupakan partikel inhalable dengan diameter kecil dari 10 μm. Partikel ini akan masuk ke paru-paru dan bertahan di dalam tubuh untuk waktu yang lama, sehingga dapat menganggu sistem pernapasan manusia. Penelitian ini bertujuan untuk membuat model hubungan konsentrasi PM10 di udara ambien dengan karakteristik lalu lintas di jaringan jalan primer Kota Padang. Penelitian dilakukan di Jl. Sudirman mewakili jalan arteri primer, Jl. Imam Bonjol mewakili jalan kolektor primer, dan Jl. M. Yunus mewakili jalan lokal primer. Pengambilan sampel PM10 menggunakan alat Low Volume Sampler dan analisisnya dengan neraca analitik. Konsentrasi PM10 yang diperoleh selama 24 jam di ketiga lokasi penelitian berkisar antara 100,19-131,26 μg/m3, yang masih berada di bawah baku mutu Peraturan Pemerintah No. 41 Tahun 1999. Konsentrasi PM10 dengan semua parameter karakteristik lalu lintas memiliki hubungan korelasi kuat hingga sangat kuat dengan nilai r berkisar antara 0,680-0,990, serta menunjukkan hubungan yang signifikan (α < 0,05). Berdasarkan uji validasi, model persamaan dengan jumlah kendaraan berdasarkan jenis lebih direkomendasikan untuk pendekatan perhitungan konsentrasi PM10 di udara ambien pada ketiga jalan dengan nilai persentase error (E) 2-3%.
Analysis of Sanitation Technology for Waste Management and Drainage Using the Analytical Hierarchy Process (AHP) Method in Bangko City Astri Yulia; Denny Helard; Vera Surtia Bachtiar
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 2 No. 3 (2022): IJRVOCAS - December
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v2i3.147

Abstract

Sanitation in Indonesia is defined as efforts to dispose of liquid waste and domestic waste to create a clean and healthy living environment both at the household and settlement levels Domestic waste management needs to be considered in managing a settlement Domestic waste products, especially those containing human feces, contain dangerous pathogens. If it is released directly into water bodies without processing it will result in environmental pollution Technology and knowledge are needed to accelerate the implementation of development states that technology options are highly dependent on technical and non-technical aspects; environmental factors, cultural and behavioral factors, as well as capital and recurring cost factors To analyze the choice of technology, determined based on perception using the Process Hierarchy Analysis (AHP) method. the AHP method can be used in determining sanitation technology in specific areas in order to obtain the most suitable sanitation technology for use in specific areas. The selected sanitation technology is a recommendation that is acceptable to the local population. Based on this, in order to accelerate the implementation of development, it is necessary to determine the right choice of sanitation technology for slum settlements in Bangko City, Merangin Regency. The selection of sanitation technology in the most effective waste treatment technology in Bangko uses the AHP method, namely conducting sewage treatment by suctioning feces with 31% and good drainage by making grase traps as much as 28%.
Analisis Pola Dispersi Total Suspended Particulate (TSP) dengan Variasi Waktu dan Tempat pada Tambang Batu Kapur Mita Fardella; Vera Surtia Bachtiar; Slamet Raharjo
Jurnal Serambi Engineering Vol 8, No 2 (2023): April 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i2.5747

Abstract

Mining activity is one of the producers of coarse particulates and fine particulates in the air which can have an impact on the surrounding environment. Limestone mining carried out by PT. Semen Padang is likely to contribute particulates such as Total Suspended Particulate (TSP) in the air. This study evaluates the dispersion pattern of TSP with variations in time and place to see its movement and direction of spread to determine affected areas or areas with high pollutants. Sampling and location determination refers to SNI 19-7119.6-2005 which consists of 30 observation points in 8 cardinal directions in the area around mining. Meteorological data was taken to see the dominant wind direction using the PCE-FWS 2.0 tool and then processed using the WR Plot software. TSP concentrations were measured using an EPAM 5000 tool which was divided into 4 shifts with the duration of each shift measured for 30 minutes, then TSP concentrations were mapped using Surfer 10 software. The results showed that TSP concentrations in the morning and afternoon were influenced by sampling distance and mining activity. , while the concentration of TSP at night is influenced by the wind direction and the sampling location. The TSP dispersion pattern in the morning and afternoon tends to be east, south, and west, while at night the dispersion pattern tends to be high in the southwest direction.
Co-Authors Ahmad Viqri Annisa Dwinta Ary Zamzamy Astri Yulia Denny Helard Dharma Wangsa Elfrida Ratnawati Fadhil Aditya Putra Gunawan, Hendra Iqbal Putra Laksono Trisnantoro Latif, Mhd Talib Lestari, Resti Ayu Mita Fardella Puspa Safitri Sanggar Rani Putra, Alqadri Asri Regia, Rinda Andhita Reri Afrianita Reri Afrianita Reri Afrianita Resti Ayu Lestari Ridwan Ridwan Ridwan Ridwan Rifel Solihin Ryansyah, Kenan Muhammad Serlina, Yega Shinta Indah Slamet Raharjo Slamet Raharjo Sufitri, Yumita Sugeng Nugroho Viqri, Ahmad Vivin Alfirna Yega Serlina Yenni Ruslinda Yommi Dewilda Yosenov, Herri