Mercury contamination in groundwater from artisanal and small scale gold mining activities (case study in Southern Lombok Coast, West Nusa Tenggara Province)

Harry, Irawan Johari (2019) Mercury contamination in groundwater from artisanal and small scale gold mining activities (case study in Southern Lombok Coast, West Nusa Tenggara Province). IOP Conference Series: Earth and Environmental Science. (Unpublished)

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Abstract

Artisanal and small scale gold mining (ASGM) activities usually use the amalgamation process with mercury to extract the gold. The waste of amalgamation is accommodated in a pond or in the exhaust into the river directly. The most tailing pond which is located close to the well because of the only water source for an amalgamation process is called groundwater. It can be caused by the pollution of mercury itself into the groundwater. This research is aimed to determine the mercury content in groundwater in Southern Lombok Coast. The method used are observation and laboratory testing for mercury content. Observation is done in West Sekotong village, Pelangan, and Batu Putih village to know the process of amalgamation and disposal of its tailings directly. Ten wells water from amalgamation process location were taken as samples for mercury laboratory testing. The result of this study is compared with government regulation no. 82/2001 about water quality management and water pollution control. The result showed that mercury content from nine samples below 0.06 µg/l, only one sample (sample code P2) has mercury content >0.06 µg/l. According to government regulation no. 82/2001 the groundwater quality in Southern Lombok Coast is included in quality water grade 4:0,0005 mg/L

Item Type:	Article
Subjects:	300 Ilmu Sosial > 333 Ekonomi Tanah & Energi 600 Teknologi dan Ilmu Terapan > 628 Teknik Perlindungan Lingkungan, Teknik Lingkungan
Depositing User:	Muhammad Soadikin
Date Deposited:	29 Dec 2023 01:09
Last Modified:	29 Dec 2023 01:09
URI:	http://repository.ummat.ac.id/id/eprint/8325

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