Protecting Public Health and the Environment

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Welcome to the DEQ Point Source Survey Tool (POSST)

Thank you for using POSST to report your facility air emissions. Pollutant registration is required annually for Title V facilities. Full emissions inventories are required for those facilities meeting the Potential to Emit (PTE) requirements of the federal Air Emissions Reporting Requirements (AERR). We believe POSST will simplify and expedite both of these requirements. Thank you once again for your cooperation on these projects.




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