VOC Monitoring Articles

  • Expert insight: test method basics for oxidizer permit requirements

    Whenever a new oxidizer is installed to control Volatile Organic Compound (VOC) emissions, the question often comes up: What test method should I use to demonstrate that the device meets permit requirements?   Most states allow you the choice of three EPA Test Methods: 18, 25 and 25A. Of these, use of Method 25A is usually the most desirable, for a few reasons. One, Method 25A provides real ...

  • NEC Directive status report 2010

    Executive Summary This report documents the most recent emissions and projections information provided by the Member States of the European Union under the National Emission Ceilings Directive (NECD) (1) at the end of 2010. The directive requires all 27 Member States to report information annually concerning emissions and projections for four main air pollutants: nitrogen oxides ...

  • Organic compounds migrating from plastic pipes into water

    Case studies were carried out to identify potential chemical contaminants migrating to drinking water from polyvinyl chloride (PVC) or polyethylene (PE) pipes, available on the Polish market. Analyses were carried out by gas chromatography (GC) coupled with mass spectrometry (MS). Analysis of organotin compounds in water in contact with PVC pipes from different manufacturers found variability: ...


    By IWA Publishing

  • ”Catalytic VOC oxidation has been an excellent VOC elimination method in our paint plant”, Pekka Kotilainen, Environmental Manager, Tikkurila Oyj, FIN

    Tikkurila has been succesfully treating VOC emissions in paint production with catalytic VOC incinerator for years For already 17 years, Tikkurila has been treating the VOC emissions in Finland’s paint production plant with the first regenerative catalytic VOC oxidizer on the market. Catalytic incineration has proven to be a very applicable, easy and effective way to respond to ...


  • Priority substances in combined sewer overflows: case study of the Paris sewer network

    This study was undertaken to supply data on both priority pollutant (PP) occurrence and concentrations in combined sewer overflows (CSOs). A single rain event was studied on 13 sites within the Paris sewer network. For each sample, a total of 66 substances, including metals, polycyclic aromatic hydrocarbons (PAHs), pesticides, organotins, volatile organic compounds, chlorobenzenes, phthalates and ...


    By IWA Publishing

  • Determination of odorous VOCs and the risk of occupational exposure to airborne compounds at the waste water treatment plants

    Concentrations of non methane-VOCs and risk levels of employees’ exposure to VOCs were determined at two Finnish waste water treatment plants. The concentration of hydrogen sulphide (H2S) reached the Finnish OEL (occupational exposure limit). The concentrations of styrene, 1,2-dichloroethane, and toluene were found to be elevated at plant A. 328.4 μg/m3 of styrene and 709.8 μg/m3 toluene was ...


    By IWA Publishing

  • Proposed plans for UCMR Program

    At an April 2010 stakeholder’s meeting, the EPA discussed proposed plans for the third phase of the Unregulated Contaminant Monitoring Regulation (UCMR) program. If approved, approximately 4,800 public water utilities will be required to monitor up to 30 contaminants starting in 2013. The second phase of UCMR (UCMR 2) sampling, which began in 2008, concludes at the end of this year. UCMR 2 ...


  • NEC directive status report 2009

    Executive summary This report documents the most recent emissions and projections information requested under the National Emission Ceilings Directive (NECD) (1) by the end of 2009. The directive requires all 27 Member States of the European Union to report information annually concerning emissions and projections for four main air pollutants: sulphur dioxide (SO2), ...

  • Why is a carbon dioxide monitor a good investment?

    The easiest way to check if your house is encapsulating gases is to monitor the carbon dioxide (CO2) levels. This one gas is used as a marker for air quality, is the easiest to monitor, and provides a more accurate air quality reading. It is a good trend indicator because it changes in measurable amounts as the air quality gets worse. All other gasses in the house follow the same trend as the ...

  • 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

  • ITRC technology overview of passive sampling technologies

    This document presents technical overviews of 12 passive sampling technologies. It describes each technology’s basis of operation, intended applications, advantages, limitations, and development status. Contacts for additional information are provided. This overview is an outgrowth of interest and information generated in preparation of the ITRC Technical and Regulatory Guidance for Using ...


    By EON Products Inc.

  • Field trial of a new commercially available diffusive ground-water sampler

    Field trials of a new commercially available diffusive ground-water sampling device were conducted at two industrial properties in the Blue Ridge Province of North Carolina. The test sites have extensive monitoring well networks and more than five years of historical water quality data. Volatile organic compounds (VOCs) including purgeable aromatics (petroleum hydrocarbons) and halogens ...


    By EON Products Inc.

  • Validation of USEPA Method 524.2 Using a Stratum PTC, AQUATek 100 Autosampler, and Perkin-Elmer Clarus 600 GC/MS

    The US EPA developed Method 524.2¹, “Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry”, for identifying and measuring purgeable volatile organic compounds (VOC) in surface water, groundwater, and drinking water. Due to the required sensitivity of this method, the use of purge and trap gas chromatography is vital. This ...


    By Teledyne Tekmar

  • USEPA Method 8260C using the Tekmar Atomx Automated VOC Sample Prep System and a Thermo Focus/DSQ™ II GCMS

    The United States Environmental Protection Agency (USEPA) developed Method 8260 to determine the concentration of Volatile Organic Compounds (VOCs) in water and soil matrices. USEPA Methods 5030 and 50351 are used to prepare water, soil and waste samples for analysis by USEPA Method 8260. USEPA Method 8260 was recently updated from 8260B to 8260C2. In this study water and soil sample analysis ...


    By Teledyne Tekmar

  • Indoor Air Quality

    Indoor Air Quality-Makes Me Sick EVM 7 measures it all   How often do you here ‘I need some fresh air’. Why do we say that? Maybe you simply want a break from the wife and kids or work colleagues! But it may be because the indoor air you are breathing in is contaminated. Indoor air contains significantly higher levels of contaminants than outside air.   ...


    By Shawcity Limited

  • Green Technology for Healthy Air and Energy Conservation: New Technology for Continuous, Indoor Air Quality Monitoring

    Continuous monitoring for indoor, Volatile Organic Compounds (VOCs) has been carried out by VOC Technologies (VOCTEC) during and after construction of Epler Hall, a newly-built green building on the PSU campus. Epler is a 6-story building devoted largely to student apartment residences, with classroom and office space on the first floor. Epler has no central heating/ventilation system. Epler’s ...


    By VOC Technologies

  • Biotreatment of polluted air from a sludge treatment building in a BTF

    The problem Additionally to the basic level of pollution with malodorous pollutants, polluted air from a building with sludge presses showed temporarly extreme VOC-peak-loadings up to 1800 to 2000 mg/m³. Solution of the problem By a subsequent treatment in a two-step bio-trickling filter supported by LEVAPOR carrier for immobilisation of microorganisms, over 90% ...

  • NEC directive status report 2008

    Executive summary This report presents the most recent information provided under the National Emission Ceilings Directive (NECD) (1). The directive requires all 27 Member States of the European Union to report information annually concerning emissions and projections for four main air pollutants: sulphur dioxide (SO2), nitrogen oxides (NOX), non‑methane volatile organic compounds ...

  • Application of the Steam Jet Aerosol Collector (SJAC) for differential measurements of organic compounds in the gas vs. particle phase

    A modified Steam Jet Aerosol Collector (SJAC) for semivolatile organic compounds has been investigated. Gas phase and particle phase were investigated separately. The SJAC is based on a water condensational growth sampling system. For determination of gaseous compounds an XAD adsorbent cartridge was applied after particle collection. Collection particle efficiency was examined using hydrophobic ...


    By Inderscience Publishers

  • Assessment of ground-level ozone in EEA member countries, with a focus on long-term trends

    Executive summary Objective of this report Ground-level and tropospheric ozone is one of the most harmful air pollutants in Europe today. Elevated levels cause health problems, premature deaths, reduced agricultural crop yields, changes in ecosystem species composition and damage to physical infrastructure and cultural heritage. Ozone (O3) is ...

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