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Journal : Bumi Lestari

TOKSISITAS AKUT (LC50) SERBUK BOR (Cuttings) TERHADAP Daphnia sp. Hefni Effendi; Aditya Herry Emawan; Yusli Wardiatno; Majariana Krisanti
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Research was aimed at determining toxicity of drilling cuttings towards Daphnia, revealed in LC50 96 hours, meaning that cuttings concentration cause 50% population of Daphnia within the period of 96 hour observation. LC50 96 hour is utilized for preliminary strategy of managing drilling cuttings. Static test was applied at the main bioassay experiment.  Mortality was as an indicator of toxicity.  Bioassay experiment refers to US-EPA (1991, 1996, 2002); Ziehl and Schmitt (2000).  Mortality and water quality fluctuation were observed at hours 2, 4, 6, 8, 24, 48, 72, and 96. Determination of LC50 96 hour was carried out by the method of Probit Analysis.  Manual count and software EPA Probit Analysis Version 1.5 were applied. LC50 96 hours cuttings towards Daphnia is 22.177 - 22,208 ppm.  This indicates that cuttings has almost non-toxic characteristic.  However, disposal of these cuttings needs oil content measurement.  If oil content meets regulation (? 10%), cuttings is allowed to be discharged to the surrounding terrestrial environment.
Co-Authors - - mardiyana - - nurjanah . Chaidir A. Zaenal Mustopa A. Zaenal Mustopa Adi Sulaksono Aditya Herry Emawan Agustina Sinuhaji Ahmad Jamhari Rahmawan Ali Mashar Aloysius Adimas Kristianiarso Andrian Rizaldy Azhar Audra Ligafinza Audra Nur Ayub Sugara B Sartono Bagus Amalrullah Utomo Bagus Amalrullah Utomo Bq Tri Khairani Ilhami Bq Tri Khairina Ilhami Budi Kurniawan Budi Nurtama Budi Nurtama Chaidir Chaidir Charles Parningotan Haratua Simanjuntak Cut Meurah Nurul 'Akla Damar, Ario Dea Fauzia Lestari Dedi Soedarma Dedi Soedarma Dedi Soedharma DEDI SOEDHARMA Dedi Soedharma Dewanti Pratiwi Dietriech G. Bengen Dietriech Geoffrey Bengen Dino Rimantho Dita Ariyanti Ditta Ayu Anggraini Dwi Suci Indah Permata Sari Dyah Iswantini Dyah Muji Rahayu Enan M Adiwilaga Eriyatno . Erlangga Erliza Noor Erniati Etty Riani Eva Cristine Ronauli F Farlina Fitri Ariani Flandrianto Sih Palimirmo Fredinan Yulianda Gatot Prayoga Gatot Prayoga Gatot Yulianto Gede Iwan Setiabudi Ghozali, Ali Aulia Giri Maruto Darmawangsa Gunawan Gunawan Gunawan Pratama Yoga Hadi Supardi Hari Wijayanto Harum Farahisah Harum Farahisah Herman Yulianto I Wayan Nurjaya Imamshadiqin Iman Rusmana Imanullah Irza Arnita nur Kurniawan, Yehezkiel Steven Luisa Febrina Amalo Luluk Dwi Wulan Handayani Majariana Krisanti Marfian Dwidima Putra Maryono Maryono Maulid Wahid Yusuf Melanie Cornelia, Melanie Melki . Melki Melki Meutia Samira Ismet Muhammad Mukhlis Kamal Mujizat Kawaroe MUJIZAT KAWAROE MUJIZAT KAWAROE Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mukti Ali Mursalin Idris Mursalin Mursalin Mursalin Mursalin Nabil Zurba Neneng Marlian Neneng Sri Hendra Neviaty P Zamani Neviaty P. Zamani Neviaty P. Zamani NEVIATY PUTRI ZAMANI Niken TM Pratiwi Niken Tunjung Murti Pertiwi Niken Tunjung Murti Pratiwi Noveldesra Suhery Novera Nirmalasanti Novik Nurhidayat Ocky Karna Radjasa Ocky Karna Radjasa Prasetyo, Kunandar Purwantiningsih Sugita Purwanto, Yanuar Jarwadi Qadar Hasani Rachma Venita Rachmad Caesario Rahman Rahman Rahman Rahman Rahmat Pangestu Rais Sonaji Rebo Elfida Karo-Karo Refa Riskiana Rezi Apri Ririn Setyowati Rizal Syarief Rizal Syarief Rizki Novia Rahmi Romi Seroja Rozirwan . safrina dyah hardiningtyas Saiful Adhar Sigid Hariyadi Sigit Winarno Siti Rosa Oktavia Sulistiono Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suria Darma Tarigan Surya Cipta Ramadhan Kete Taryono Taryono TATI NURHAYATI Tri Permadi Warsiki, Endang Widiatmaka . Widyatmoko Widyatmoko Wiwin Ambarwulan Wiwin Ambarwulan Yonvitner - Yudhi Amrial Yudho Andika Yudho Andika Yudi Setiawan Yunandar Yunandar Yuni Yolanda Yusli Wardiatno Zidni Ilma Palupi