Real Time Monitoring of Airborne Hydrogen Sulfide Using Pulsed Fluorescence SO2-H2S-CS Analyzers

Abstract

The paper describes results from real time monitoring of Airborne Hydrogen Sulfide (H2S) in NE-Iceland, i.e. the lake Mývatn area, town of Húsavík and the area of Kelduhverfi. In general, the H2S concentration is low and below regulatory limits in all the areas. Located close to both natural emissions of H2S as well as geothermal power plants in Bjarnarflag and Krafla, stations in the Mývatn area generally show higher concentrations of H2S than observed in Húsavík and Kelduhverfi. Stations in Húsavík and Kelduhverfi are not close to any major sources of H2S, but the Húsavík station shows signs of H2S emission from the Theistareykir geothermal power plant. Clear relationship is observed between H2S concentration and weather conditions.