bag sampler Articles

  • ITRC position paper for passive diffusion sampling, 2002

    This document is intended to facilitate the use of polyethylene diffusion bag (PDB) samplers for long-term monitoring (LTM). The guidelines presented in Sections 2 and 3 relate to appropriate implementation, data interpretation, and regulatory issues of concern. Although diffusion samplers can be useful for many different activities and have membranes composed of various materials, this ...


    By EON Products Inc.

  • 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.

  • ITRC technical regulatory guidelines for passive diffusion sampling, 2004

    Polyethylene diffusion bag (PDB) samplers are low-density polyethylene bags containing deionized water, used to collect water samples in groundwater wells for laboratory analyses of volatile organic compounds (VOCs). PDB samplers are passive devices, relying on the movement of groundwater from the aquifer or water-bearing zone through the screen or open interval of a well. VOCs in groundwater ...


    By EON Products Inc.

  • How to Achieve Good Indoor Air Quality in Operating Rooms

    There are two primary objectives in achieving acceptable air quality in the operating room: (1) control of anesthetic gases for the benefit of operating room staff, and (2) infection control for the benefit of the patient. Control of Anesthetic Gases Supply and scavenging systems, as well as general ventilation in the OR, must be functioning optimally for the surgical ...


    By Atlantic Environmental, Inc.

  • PM10, CO and NOx concentrations in the Tuhobic road tunnel, Croatia

    Particulate matter (PM10 particle fraction) and trace gases (CO, NO and NO2) have been sampled during six weeks in the Tuhobic road tunnel, Croatia, whose length is 2140 m. Eight mini portable air samplers (Air Metrics, USA) were placed in the centre of the tunnel at a height of 1.70-m above the ground. PM10 samples were collected on Whatman quartz filters with the diameter of 47 mm, while ...


    By Inderscience Publishers

  • Ambient Air Sampling Methods

    Pollutants are nothing but any substance that may present in an atmosphere in such a concentration that it may harmful to surrounding, living organism or human being. Sampling and analysis of air pollutants is known as Air quality monitoring and it is major part of environmental monitoring. There are many advanced types of ambient air Sampling methods. we will learn here only which are most ...


    By Perfect Pollucon Services

  • Global solution: Gas and particulate analysis in Cement industry

    Cement plants are increasingly required to install continuous emission monitoring systems (CEMS). While these represent a significant financial outlay, a range of other factors also need to be considered when selecting a suitable CEMS. To the inexperienced, selecting a suitable CEM can mistakenly be considered as simply ensuring that the applicable national regulations (eg MACT in the USA, ...


    By ENVEA

  • Total solution: Gas and particulate analysis in Cement industry

    Cement plants are increasingly required to install continuous emission monitoring systems (CEMS). While these represent a significant financial outlay, a range of other factors also need to be considered when selecting a suitable CEMS. To the inexperienced, selecting a suitable CEM can mistakenly be considered as simply ensuring that the applicable national regulations (eg MACT in the USA, ...


    By ENVEA

  • Breakthroughs in testing technology as new global player emerges

    Engineers and developers now have a choice of engine testing technologies following the recognition by the United States Federal Register of the BG3 Partial Flow Dilution sampling (PFD) technology developed by Sierra Instruments for engine particulate emissions, R&D and certification. Building on this news, the Monterey, California - based company has also extended its global footprint this ...


    By Sierra Instruments, Inc.

  • IAQ investigators often overlook Bacteria as the Root Cause of Occupant Complaints

    Untitled Document Many investigators have been dealing with mold issues the last few years and may have been overlooking bacteria as the underlying microbial problem. Bacteria ...


    By EMSL Analytical, Inc.

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