Asesmen Kualitas Lingkungan di PSIKLH Kawasan Puspiptek Serpong-Tangerang Selatan

Pusat Standardisasi Instrumen Kualitas Lingkungan Hidup (PSIKLH) merupakan salah satu instansi yang berada di kawasan Puspiptek dengan kegiatan laboratorium pengujian dan laboratorium kalibrasi. Asesmen kualitas lingkungan di PSIKLH dilakukan mencakup kualitas udara ambien, udara emisi, air, tanah, dan sedimen periode 2018-2020. Pengambilan contoh uji dan analisis parameter mengacu pada metode Standar Nasional Indonesia dan metode lainnya yang sudah baku. Hasil asesmen dibandingkan dengan baku mutu masing-masing parameter sesuai peraturan yang ada. Konsentrasi TSP, PM10, PM2,5, SO2, NO2, dan O3 di PSIKLH hampir semua berada di bawah baku mutu berdasarkan Peraturan Pemerintah No.41/1999 tentang Pengendalian Pencemaran Udara, namun ada 8 dari 28 data PM2,5 berada di atas baku mutu. Konsentrasi H2S dan NH3 berada di bawah baku mutu sesuai Keputusan Menteri Negara Lingkungan Hidup No. 50/1996 tentang Baku Tingkat Kebauan. Pada asesmen tahun 2018, konsentrasi partikulat, SO2, NOx, dan CO pada generator berada di bawah baku mutu berdasarkan PermenLH No. 21/2008. Setelah peraturan baru PP No.15/2019 dikeluarkan, konsentrasi CO dan NOx telah melebihi baku mutu tersebut. PSIKLH mengirimkan limbah bahan berbahaya dan beracun (B3) ke pihak eksternal untuk dapat diolah, sedangkan limbah cair domestik dilakukan pengolahan dan pengujian sebelum dibuang ke lingkungan. Kualitas limbah domestik parameter pH, BOD, COD, minyak lemak, TSS dan amoniak berada di bawah baku mutu berdasarkan Permen LHK No.68/2016 tentang Baku Mutu Air Limbah Domestik. Konsentrasi tanah di PSIKLH dan sedimen sungai di sekitar Kawasan Puspiptek berada di bawah baku mutu berdasarkan Canadian Soil Quality Guidelines for the Protection Of Environmental and Human Health dan juga Canadian Sediment Quality Guidelines for the Protection of Aquatic Life in Freshwater. Pemantauan rutin dan komprehensif lingkungan kawasan perlu dilakukan untuk mengetahui sumber pencemar yang potensial mencemari kawasan Puspiptek sehingga dampak pencemaran dapat diatasi.

Contamination Assessment of Heavy Metals in Sediment Cores from De Montigny Lake around Siscoe-Sullivan Former Mining Sites, Val-d’Or, Canada

Seven sediment cores were collected from De Montigny Lake in order to determine concentrations, and contamination assessment of heavy metals such as Cr, Zn, Ni, Pb, Cu, Co and Cd. The mean concentrations of heavy metals are as follows: 48.3 mg/kg for Cr, 36.4 mg/kg for Zn, 20.6 mg/kg for Ni, 14.7 mg/kg for Pb, 10.2 mg/kg for Cu, 6.7 mg/kg for Co and 0.1 mg/kg for Cd. Based on the sediment quality guidelines, the mean concentration metals such as Cr, Cu and Ni exceeded the US Environmental Protection Agency (USEPA) guideline. However, the concentration of Cr was more than the Canadian Water Quality Guidelines for Protection of Aquatic Life (CCME), and Threshold Effect Level (TEL) guidelines. The metal contamination in the sediments was also evaluated using Enrichment Factor (EF) and geoaccumulation index (Igeo) to assess natural and anthropogenic factors. The results of enrichment factor methods demonstrated that sediments from De Montigny Lake were moderately to high enriched, mainly controlled by through anthropogenic activities. According to Sediment Quality Guidelines (SQGs), the concentrations metals from the core sediment of De Montigny Lake are classified as having moderate impacts with potential adverse biotoxic effects.

Water quality index and the sediment criteria due to anthropogenic activity in West Aceh District, Indonesia

The existence of river environmental components or sediment and river pollutions are influenced by domestic, industrial, and agricultural waste, it will reduce water quality. The purpose of this study was to determine the index of water quality and sedimentation due to anthropogenic activities. Pollution Index (PI) method for water quality and Sediment Quality Guidelines (SQGs) method for sedimentation. The Krueng Woyla and Krueng Meuruebo watersheds include have the highest intensity of anthropogenic activity at West Aceh District. Surrounding the Krueng Woyla watershed has illegal mining such as class C minerals like sand and stone and gold mining. In the Krueng Meureubo watershed, there are mining activities to dispose of company waste flowing through the Meureubo tributary accompanied by sand mining activities. These activities result in the pollution index (PI) calculation. It shows that there has been a decrease in the water quality of the Meuruebo and Woyla rivers with 1.0 <PI< 5.0 classified as lightly polluted river water quality conditions. The highest pollution index value is in the Krueng Meruebo downstream watershed which is 2.41 classified as “Slightly Polluted”. Based on the Sediment Quality Guidelines (SQGs) and equations for a mercury concentration of 0.915, it is found that sediment has medium a negative effect index of heavy metals on river biota.

Assessment of the Environmental Significance of Heavy Metals Pollution in Surficial Sediments of South Brittany Waters, France: An Ecological Risk Assessment Approach

Distribution patterns of selected heavy metals content in sediments from the Bay of Quiberon and Gulf of Morbihan were studied to understand the current heavy metals contamination due to urbanization and mariculture activities in the coastal area. Therefore, a survey was conducted and 196 sediments collected were characterized for heavy metals content using Inductively Coupled Plasma – Mass Spectrometry (ICP–MS) after mix acid digestion process. The distribution maps of the concentrations of the heavy metals studied were produced as an isopleth map based on data interpolation by the ArcGIS software application. The association with the adverse effects on aquatic organisms was determined by the classification of the sediment according to the sediment quality guidelines. Therefore, two approaches were employed namely; direct comparison with Sediment Quality Guidelines (SQGs) by USEPA (United States Environmental Protection Agency) and comparison with other numerical SQGs, threshold effect level/probable effect level, and effect range low /effect range medium. In order to estimate the effect of multiple contaminations of heavy metals, the mean–ERM–quotient was calculated at each sampling point.

Assessment of the Environmental Significance of Heavy Metals Pollution in Surficial Sediments of South Brittany Waters, France: An Ecological Risk Assessment Approach

Distribution patterns of selected heavy metals content in sediments from the Bay of Quiberon and Gulf of Morbihan were studied to understand the current heavy metals contamination due to urbanization and mariculture activities in the coastal area. Therefore, a survey was conducted and 196 sediments collected were characterized for heavy metals content using Inductively Coupled Plasma – Mass Spectrometry (ICP–MS) after mix acid digestion process. The distribution maps of the concentrations of the heavy metals studied were produced as an isopleth map based on data interpolation by the ArcGIS software application. The association with the adverse effects to on aquatic organisms were was determined by the classification of the sediment according to the sediment quality guidelines. Therefore, two approaches were employed namely; direct comparison with Sediment Quality Guidelines (SQGs) by USEPA and comparison with other numerical SQGs, threshold effect level/probable effect level, and effect range low /effect range medium. In order to estimate the effect of multiple contaminations of heavy metals, the mean–ERM–quotient was calculated at each sampling points.

Background concentrations of mercury in Australian freshwater sediments: The effect of catchment characteristics on mercury deposition

Waterways in the Southern Hemisphere, including on the Australian continent, are facing increasing levels of mercury contamination due to industrialization, agricultural intensification, energy production, urbanization, and mining. Mercury contamination undermines the use of waterways as a source of potable water and also has a deleterious effect on aquatic organisms. When developing management strategies to reduce mercury levels in waterways, it is crucial to set appropriate targets for the mitigation of these contaminated waterways. These mitigation targets could be (1) trigger values or default guideline values provided by water and sediment quality guidelines or (2) background (pre-industrialization) levels of mercury in waterways or sediments. The aims of this study were to (1) quantify the differences between existing environmental guideline values for mercury in freshwater lakes and background mercury concentrations and (2) determine the key factors affecting the spatial differences in background mercury concentrations in freshwater lake systems in Australia. Mercury concentrations were measured in background sediments from 21 lakes in Australia. These data indicate that background mercury concentrations in lake sediments can vary significantly across the continent and are up to nine times lower than current sediment quality guidelines in Australia and New Zealand. This indicates that if waterway managers are aiming to restore systems to ‘pre-industrialization’ mercury levels, it is highly important to quantify the site-specific background mercury concentration. Organic matter and precipitation were the main factors correlating with background mercury concentrations in lake sediments. We also found that the geology of the lake catchment correlates to the background mercury concentration of lake sediments. The highest mercury background concentrations were found in lakes in igneous mafic intrusive regions and the lowest in areas underlain by regolith. Taking into account these findings, we provide a preliminary map of predicted background mercury sediment concentrations across Australia that could be used by waterway managers for determining management targets.