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Journal : Makara Journal of Science

Mercury Contamination in Selected Edible Plants and Soil from Artisanal and Small-scale Gold Mining in Sukabumi Regency, Indonesia Saragih, Grace Serepina; Tapriziah, Ely Rahmi; Syofyan, Yunesfi; Masitoh, Siti; Pandiangan, Yohana Sari Hotmatua; Andriantoro, Andriantoro
Makara Journal of Science Vol. 25, No. 4
Publisher : UI Scholars Hub

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Abstract

Artisanal and small-scale gold mining (ASGM) activities often pollute soil, water, and air, thereby achieving widespread proliferation, and contaminating the surrounding biota including plants. Mercury contamination on agricultural land around ASGM areas has been widely reported. This study aims to determine the total mercury contamination in plants and soil around active ASGM sites in Sukabumi Regency, Indonesia, namely, Waluran, Lengkong, and Ciemas Districts. Total mercury (Hg) content was measured from 27 plant samples (including cassava [Manihot utilisima], rice [Oryza sativa], and papaya [Carica papaya]), 7 rhizosphere soil samples, and 7 non-rhizosphere soil samples. Data were analyzed using Kruskal–Wallis test. Results showed no significant difference in total mercury concentrations among locations or plant parts, between rhizosphere and non-rhizosphere soils (p > 0.05), and among cassava plant parts, papaya, and rice. The highest mercury level was found in cassava (0.33–43.27 ppm). Mercury contamination in rice and papaya was relatively low at 0.03–1.22 and 0.06–5.11 ppm, respectively. According to the Regulation of the Head of BPOM of the Republic of Indonesia Number 23 of 2017 concerning the Maximum Limit of Heavy Metal Contamination in Processed Food, 0.03 ppm is the maximum limit of mercury contamination in fruits, vegetables, and cereals. Therefore, all plant samples around the ASGM sites have exceeded the maximum mercury contamination and thus are not suitable for consumption.
Lead Concentration in The Soil Around a Used Battery Recycling Site in Tangerang Regency, Indonesia Fauzi, Ridwan; Hidayat, Muhamad Yusup; Hindratmo, Bambang; Masitoh, Siti; Saragih, Grace Serepina
Makara Journal of Science Vol. 25, No. 4
Publisher : UI Scholars Hub

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Abstract

Long-term lead (Pb) exposure can affect human health. Used battery recycling is a source of Pb emission, and the smoke from the facility carries Pb particles that accumulate in the soil. This study aimed to determine the concentration of accumulated Pb in the soil around Kadu Manis Battery Recycling Industrial Estate, Tangerang Regency, Banten Province, Indonesia in 2018. Soil samples were collected by employing a purposive strategy in four directions from the hot spot at a 0–7.5 km radius. Pb content in the soil was analyzed using a modified version of the official method from American Public Health Association number 3030-H in 2012 and work instructions for metal 01 in 2014. Results showed that the Pb concentration in the soil around this site was below the threshold with an average value of 94.43 mg/kg dry weight and a range of 16.56–279.42 mg/kg dry weight. The soil closest to the facility had the highest Pb concentration. These findings indicated that the management of emission from used battery recycling site must be improved.