atmospheric monitoring Articles

  • `Standards are desperately needed for plastic and pesticide contamination in soil´

    In addition to plastic in the oceans, plastic contamination in arable land throughout Europe and other parts of the world is a growing problem. No standards exist for these types of soil pollutants, nor for pesticide residues or their degradation products. For this reason, Professor Violette Geissen is calling for standards to be implemented. On 15 June, Geissen will deliver her inaugural address ...

  • High-Purity DNPH Standards for Monitoring of Atmospheric Carbonyls

    Analysts monitoring for atmospheric carbonyls follow prescribed methods published by the US Environmental Protection Agency, the California Air Resource Board, and the American Society for Testing and Materials (ASTM®). These methods call for trapping carbonyls on an adsorbent coated with dinitrophenylhydrazine (DNPH). Sigma Aldrich offers more than fifty 2,4-DNPH carbonyl derivative ...


    By MilliporeSigma

  • Potential use of Syntrichia ruralis for monitoring atmospheric BTEX

    Many studies deal with the bioaccumulation of metals in mosses. In contrast, the knowledge about organic pollutants is less extensive and there is a relative lack of studies using plants for the biomonitoring of volatile organic compounds such as Benzene, Toluene, Ethylbenzene and Xylenes (BTEX). Both in situ and in controlled conditions, this study deals with the capacity of mosses to accumulate ...


    By Inderscience Publishers

  • Titanium Demand on Rise for Additive Manufacturing Printing: How it’s Made? Titanium Plasma Atomization.

    Plasma atomization is used in many applications, including 3D printing. First developed in 1998, this technique has risen to become the industry standard process for creating reactive metal powders suitable for 3D printing. Learn how plasma atomization works and why you need an oxygen monitor to stay safe with plasma atomization.  How Plasma Atomization Works ...

  • GAW Regional Station for Atmospheric Research

    The aim of the JRC-Ispra station is to monitor the concentration of pollutants in the gas phase, the particulate phase and precipitations, as well as aerosol optical parameters, which can be used for assessing the impact of European policies on air pollution and climate change. It is particularly well suited for the participation in international monitoring programs like the Co-operative program ...


  • Monitoring Airborne Contaminants in Workplace Atmospheres, Using Sampling Devices and GC or HPLC

    Workers' exposure to hazardous substances must be held within acceptable limits. Therefore, airborne contaminant vapor and particles (including aerosols) in industrial atmospheres must be monitored. In the United States, the National Institute for Occupational Safety and Health (NIOSH) and the Occupational Safety and Health Administration (OSHA) offer, for many such substances, specific ...


    By MilliporeSigma

  • A network suitable microwave radiometer for operational monitoring of the cloudy atmosphere

    The implementation of an operational network of microwave radiometers is presently hampered by the cost and complexity of the available instruments. For this reason, the definition and design of a low-cost microwave radiometer suitable for automatic, high-quality observations of liquid water path (LWP) were one objective of the BALTEX cloud liquid water network: CLIWA-NET. In the course of the ...


    By RPG Radiometer Physics GmbH

  • The scalp hair as a monitor for trace elements in biomonitoring of atmospheric pollution

    The chemical element contents in scalp hair of 80 apparently healthy 15- to 58-year-old citizens (36 females and 44 males) of a non-industrial region in the Central European part of Russia were investigated by Instrumental Neutron Activation Analysis (INAA) and Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). The summary of statistics, arithmetic mean, standard deviation, ...


    By Inderscience Publishers

  • Validation of atmospheric dispersion models using ETEX data

    Two models frequently used to simulate the dispersion of pollutants in the atmosphere have been compared. This is necessary because only a well-tested and well-calibrated simulation model can be a good representation of the reality of the dispersion of pollutants. The models evaluated (HYSPLIT_4 with its four variants and MEDIA) were run using as input parameters the same meteorological dataset ...


    By Inderscience Publishers

  • Emissions of Atmospheric Pollutants in Europe, 1990–99

    This report presents indicators and information on air emission trends in Europe 1990–99. Atmospheric pollution contributes to several prominent environmental issues that arise due to emissions to the atmosphere (air emissions) from a variety of mainly anthropogenic (man-made) activities. This report covers air emissions that contribute to the following issues: • acidification and ...


  • Atmospheric Chemistry Research in New EU Countries

    Historically some of the new EU Member States and the Candidate countries experienced high levels of pollution in the past. Enhanced management measures were and are needed to improve the air quality. The present survey on the ongoing air chemistry research is in support to such measures and the incorporation of the EU environmental legislation in the air quality management of these countries. ...


  • GAW Regional Station for Atmospheric Research - 2005 Report

    The aim of the JRC-Ispra station is to monitor the concentration of pollutants in the gas phase, the particulate phase and precipitations, as well as aerosol optical parameters, which can be used for assessing the impact of European policies on air pollution and climate change. Measurements are performed in the framework of international monitoring programs like the Co-operative program for ...


  • Determination of transport processes of nocturnal ozone in Istanbul atmosphere

    Ozone, usually having a minimum value at night, often increase its concentration level which is known as nocturnal ozone. In this study, the magnitude, frequency and timing of nocturnal ozone maxima were determined between May and September for four years (2001-2004) for stations in the Asian and European sides of Istanbul, Turkey. The magnitude and frequency of late and early peaks for peak ...


    By Inderscience Publishers

  • Atmospheric environmental impact assessment modelling in France

    The most widely accepted model of atmospheric dispersion for impact assessment in France is the Gaussian model of Doury. The Centre d'Etudes Atomiques (CEA) and Electricite de France (EDF) have developed their own software systems, which include several compatible or nested meteorological, trajectory, and dispersion codes. These systems are fitted to the various atmospheric scales from regional ...


    By Inderscience Publishers

  • Atmospheric Monitoring and Inverse Modelling for Verification of National and EU Bottom-up GHG Inventories.

    The workshop 'Atmospheric monitoring and inverse modelling for verification of national and EU bottom-up GHG inventories' was held on 08-09 March 2007 in Ispra, Italy, under the mandate of European Climate Change Committee Working Group 1, as follow-up of a first workshop on 23-24 October 2003. Atmospheric monitoring (AM) of greenhouse gases (GHGs), combined with inverse modelling (IM), can trace ...


  • Analysis and interpretation of the monitoring data for C2?C11 hydrocarbons in the atmosphere of a rural Portuguese site

    This paper focuses the application of a measurement technique for determining atmospheric C2?C6 hydrocarbons after canister sampling and analysis by gas chromatography/flame ionisation detection (GC/FID), as well of an adsorption-sampling technique for C6?C11 compounds and GC/FID analysis after thermal desorption and cryogenic concentration. Tens of samples collected at Giesta, a rural area ...


    By Inderscience Publishers

  • Monitoring with the use of passive samplers ? a useful source of information for the mapping and modelling of urban atmosphere pollution

    Due to human activities, increasing numbers of harmful substances are emitted into the atmosphere; they are recognised as potentially dangerous to living organisms, mainly because of their toxicity. Among others, compounds from the BTEX group, e.g. benzene, toluene, ethylbenzene and xylenes, are considered as such toxic substances. They are present in the air above urbanised as well as rural ...


    By Inderscience Publishers

  • Modified atmosphere packaging of dried fruit and fruit snacks - Case Study

    Systech Illinois’ oxygen headspace gas analyzer helps Whitworths maintain the quality of a million packs of dried fruit every week.  In the UK, Whitworths produces around a million packs of dried fruit and fruit snacks each week using modified atmosphere packaging (MAP) to ensure long product shelf life. Sample packs are tested every hour using a Systech headspace gas analyzer ...


    By Systech Instruments Ltd

  • Read about Confined Space in Construction and Atmospheric Testing Right Here!

    In 1993, 29 CFR 1910.146 went into effect as the first federal legislation governing entry into permit-required confined spaces in general industry. Because some industries, such as the construction industry, were covered by specific Occupational Safety and Health Administration (OSHA) safety regulations, they were exempt from the confined space entry requirements of the general industry rule. ...


    By Argus-Hazco

  • Water Vapor Interference in the UV Absorption Measurement of Atmospheric Ozone

    In this thesis work, a significant and sometimes large water vapor interference inherent to many and possibly all UV-based, commercially available ozone monitors was positively identified for the first time.  Depending upon the instrument's recent atmospheric history and calibration method, zone monitors can give erroneous results both immediately and hours later, and as a consequence possibly ...


    By 2B Technologies

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