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Background sampling - Continuous pre-construction background carbon monoxide monitoring to ensure that public safety is not impacted by any proposed transportation related project
Safety monitoring - Continuous carbon monoxide monitoring and fresh air ventilation activation to insure public safety while traveling thru special tunneled highway areas
Ambient compliance sampling - Continuous carbon monoxide monitoring to fulfill Clean Air Act requirements regulated by the MPCA
Air quality modeling - EPA approved computer modeling provides hot spot analyses to determine projected carbon monoxide concentrations at proposed intersections