Hydrogen sulphide in Rotorua, New Zealand : personal exposure assessment and health effects : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Earth Science at Massey University, Palmerston North, New Zealand

TL;DRAbstract

Long-term exposure to low level hydrogen sulphide (H2S) may be a health risk.
\nHowever, research on this has been scarce. Rotorua offers a unique opportunity for such
\nan investigation as its population is regularly exposed to geothermal H2S and few copollutants
\nare present.
\nTo date, only ambient H2S concentrations have been investigated. The current study
\naimed to measure personal exposure levels and to assess potential health effects. In
\nparticular, the study involved:
\n1. Method development to measure exposure, including the adaption of a personal
\nsampler
\n2. Analysis of personal exposure levels including personal and ambient air
\nmeasurements
\n3. Identification of the main determinants of exposure
\n4. Assessment of the association between personal exposure and health effects
\ninvolving the respiratory, the circulatory and the nervous systems.
\nThe Chemcassette® tape was found to be a suitable and cost effect

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