Browse Publications Technical Papers 2000-01-0663
2000-03-06

The Contribution of Methanol (VOC) Emissions from Windshield Washer Fluid Use to the Formation of Ground-Level Ozone 2000-01-0663

The potential for methanol emissions from the use of windshield washer fluid to contribute significantly to the formation of ground-level ozone in Canada is assessed. Reactivity and plausible chemical mechanisms for ozone formation are discussed. Assuming an environmental half-life of methanol of one month, a significant amount of these methanol emissions could participate in ozone formation. Options for reducing methanol emissions from this source were investigated in consultation with industry stakeholders. Recommendations included seasonal conversion to summer formulations, limiting methanol content, modifying OEM practices, and investigating more efficient fluid delivery systems.

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