Annual Reports are submitted to meet Annual Reporting of hazardous substance inventories for hazardous substances onsite during the previous calendar year.
Update Reports are submitted to capture changes to facility contacts or hazardous substance quantities/locations onsite during the current calendar year. An Update Report does not meet the Annual Report requirements
Revision Reports are submitted to correct errors or omissions in already submitted Annual Reports.
If you have additional questions, please submit a Help Desk ticket or call the Hazardous Substance Information Hotline 503-378-6835 or 800-454-6125.