Results 11 to 20 of about 892,606 (308)
Lead (Chemicals and Contaminants)
Food Safety, 2022 Food Safety Commission of Japan (FSCJ) conducted risk assessment of lead (hereinafter referred to as Pb) as a Self-Tasking assessment. Risk assessments of Pb were initially requested from the Ministry of Health, Labour and Welfare in relation to revision of the standards for apparatus/container and packaging (ACP) and to revision of the standards for ...
openaire +2 more sources
Composition and thickness of surface layer on molybdenum tips for scanning tunnelling microscopy (STM) studied by SEM/AES/(AR)XPS [PDF]
, 1992 A combination of SEM, AES and angle-resolved XPS (ARXPS) has been applied to analyse the distribution of chemical compounds in the surface region of electrochemically etched molybdenum tips and to determine the contamination layer thickness.
Hanekamp, L.J. +4 more
core +3 more sources
Microbiological and Chemical Quality of Portuguese Lettuce—Results of a Case Study
Foods, 2020 In addition to environmental pollution issues, social concerns about the sustainability, safety, and quality of conventionally grown fruits and vegetables have been increasing.
Catarina Ferreira +7 more
doaj +1 more source
14C contamination testing in natural abundance laboratories: a new preparation method using wet chemical oxidation and some experiences [PDF]
, 2016 Substances enriched with radiocarbon can easily contaminate samples and laboratories used for natural abundance measurements. We have developed a new method using wet chemical oxidation for swabbing laboratories and equipment to test for 14C ...
Fahrni, Simon +6 more
core +1 more source
Primary Prevention of Chemical Contamination [PDF]
NEW SOLUTIONS: A Journal of Environmental and Occupational Health Policy, 2003 The current approach to addressing health and ecosystem risks from biosolids, or sludge, requires identification of so-called “safe” or “acceptable” levels of exposure and installation of controls to achieve such levels. This end-of-the pipe approach is inconsistent with the public health concept of primary prevention.
Joel, Tickner, Sara, Wright
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Decontamination and Management of Contaminated Hair following a CBRN or HazMat Incident [PDF]
, 2019 © The Author(s) 2019. Published by Oxford University Press on behalf of the Society of Toxicology.This in vitro study evaluated the “triple protocol” of dry decontamination, the ladder pipe system (a method for gross decontamination), and technical ...
Amer, Nevine +7 more
core +2 more sources
Вестник войск РХБ защиты, 2023 A difficult situation, close to an environmental disaster, had been developing in the town of UsolyeSibirskoye, Irkutsk Region, since the 90s of the ХХ century.
S. A. Maltsev +6 more
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A method for assessing chemical contamination of bottom sediments using bioassay approach
Известия ТИНРО, 2023 A method for assessing the degree of marine pollution (TPFchem) is developed using a bioassay approach. The index TPFbio is calculated as the average coordinate of the optima of response curves (along the TPFchem gradient) known for the taxa of ...
A. V. Moshchenko +2 more
doaj +1 more source
Chemical Contamination of Water Supplies [PDF]
Environmental Health Perspectives, 1985 Man-made organic chemicals have been found in drinking water for many years. Their numbers and varieties increase as our analytical capabilities improve. The identified chemicals comprise 10 to 20% of the total organic matter present. These are volatile or low molecular weight compounds which are easily identified.
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Chemical residuality in maize (Zea mays L.) elds irrigated with deep well water
Ecosistemas y Recursos Agropecuarios, 2018 The aim was to conduct a residual analysis of the main cationic elements, heavy metals and arsenic in irrigated maize fodder production. Four soil and maize plant samplings were conducted in eight sites in April, May, June and July, 2014.
Ma. Elizabeth Azpilcueta-Pérez +4 more
doaj +1 more source