Shell Engineering & Associates, Inc.

2 News & Press Releases found

Shell Engineering & Associates, Inc. News

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  • Meteorological Monitoring Alert – Psd Permitting

    Meteorological Monitoring Alert – Psd Permitting

    AERMOD has replaced ISC in most cases as the preferred air dispersion model for use in PSD/regulatory permitting. AERMOD uses current science to predict the impact of air emissions from multiple sources at receptors located near points of interest. ...

  • Ozone Monitoring Alert

    Ozone Monitoring Alert

    The PSD rules have been updated to enforce the new 8-hour ozone regulation. Additional ambient air monitoring requirements have been added to the regulations. This update can be found in 40CFR52.21 (see footnote to the Table for De Minimis Ambient ...