Opacity Monitoring Articles

  • How to align an opacity monitor

    Correct optical alignment is essential for any opacity monitor. If the instrument is misaligned, its readings will be unstable. There may also be an offset, and this can be either positive or ...


    By AMETEK Land

  • AMETEK Land reveals how power plants can better monitor their emissions

    AMETEK Land reveals in its latest engineering brief how power plant operators can benefit from opacity monitoring systems to verify that they are compliant with global and national emissions limits.   The brief, which is available at landinst.com, outlines how power-generation plant operators must measure either particulate ...


    By AMETEK Land

  • Where Did These New Quality Assurance Requirements for Opacity Monitors Come From?

    U.S. EPA promulgated the long awaited ‘‘Quality Assurance Requirements for Continuous Opacity Monitoring Systems at Stationary Sources’’ used to demonstrate continuous compliance with opacity standards specified in new source performance standards (NSPS).  This has an effective date of November ...


    By All4 Inc.

  • Marine Industry experience with Aalborg Industries

    Port Authorities and Governing Bodies state that a ship cannot emit smoke of >20% opacity for more than 3 minutes when in port. The IMO set similar limits for on-board incinerators. The DSL-220 Opacity Monitor has been used successfully to measure smoke emissions from diesel engines, incinerators and boilers on board ship ensuring that environmental concerns are ...


    By DynOptic Systems Ltd

  • Israel and the bomb

    In spite of its policy of ambiguity, Israel's nuclear military capability is universally admitted. This raises the question of the underlying doctrine and the function played by the bomb in the political-military relations between Israel and its neighbours since the end of the 1950s. This paper shows that instead of contributing to deterrence, the bomb has been irrelevant (at best) or ...


    By Inderscience Publishers

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