Earlier this year, the Department of Homeland Security (DHS) temporarily suspended the requirement to submit Chemical Facility Anti-Terrorism Standards Top-Screens and Security Vulnerability Assessments (SVA) in order to allow for a phased rollout of the new Chemical Security Assessment Tool (CSAT) 2.0 surveys and enhanced risk tiering methodology. On October 1, 2016, the requirement to submit Top-Screens was reinstated. Chemical facilities of interest that have not previously submitted a Top-Screen, but which have come into possession of reportable amounts of COI, MUST submit a Top-Screen within 60 days. Additionally,