National Laboratory is an equal opportunity employer. 3 SUMMARY INTRODUCTION The inability to monetize the health costs of acute exposures in homes and the benefits of various control options is a barrier to justifying policies and approaches that can reduce exposure and improve health. METHODS We synthesized relationships between short-term outdoor concentration changes and health outcomes to estimate the health impacts of short-term in-home exposures. Damage and cost impacts of specific

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... outcomes were taken from the literature. We assessed the impact of vented and non-vented residential natural gas cooking burners on Southern California occupants for two pollutants (NO 2 and CO). RESULTS Despite only looking at the impact of two pollutants on acute exposure-related health outcomes, the annual health benefits of using venting range hoods exceed the costs. CONCLUSIONS The established methodology will provide a useful tool for quantifying the costs of acute exposures in homes and will allow for identification of cost effective methods for reducing exposures.