Your All-in-One Chemical Safety Platform Give your teams instant access to Safety Data Sheets, simplify compliance, and access safety information effortlessly with AI support across your organization. www.sdsmanager.com 2026 EHS & Compliance Calendar Key U.S. Safety, Environmental, and Regulatory Dates at a Glance 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su December 12 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su November 11 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su October 10 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 13 14 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su September 09 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su August 08 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su July 07 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Fr Sa Th We Tu Mo Su June 06 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Fr Sa Th We Tu Mo Su May 05 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su April 04 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su March 03 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sa Fr Th We Tu Mo Su February 02 25 18 11 4 31 30 29 28 27 26 24 23 22 21 20 19 17 16 15 14 13 12 10 9 8 7 6 5 3 2 1 Sa Fr Th We Tu Mo Su January 01 OSHA ITA Portal Opens for electronic submission of CY 2025 injury/illness data. Jan 2 Compliance End of mandatory posting period for OSHA Form 300A. Apr 30 Compliance Posting Deadline: OSHA Form 300A. Must be posted in workplace from Feb 1 to Apr 30. Feb 1 Compliance Home Office Safety and Security Week Jan 11-17 Observance North American Occupational Safety and Health (NAOSH) Week. May 3-9 Observance National Work Zone Awareness Week. Apr 20-24 Observance Workers Memorial Day. Commemorates workers killed/injured; high visibility for agency leadership. Apr 28 Observance National Burn Awareness Week. Feb 1-7 Observance CR Expiration Date. Critical deadline for FY 2026 full appropriations to prevent a second shutdown. Jan 30 Fiscal End of Federal Fiscal Year 2026. Sept 30 Fiscal Effective Date: Emergency Response Standard. Replaces Fire Brigades Standard (29 CFR 1910.156). Jan 16 Compliance Anticipated ACCSH Meeting (based on historical patterns and specific snippet dates). Feb 21-22 Advisory New Compliance Requirements deadline for Chemical Manufacturers, Importers, & Distributors evaluating Single Substances under revised OSHA HCS Jan 19 Compliance National Window Safety Week. Apr 6-12 Observance Maritime Safety Day. Focus event for MACOSH. Apr 1 Advisory California GHG Emissions Report Due (Cal/OSHA specific). Mar 31 State Plan DEADLINE: Electronic Submission of OSHA Form 300A/300/301 via ITA. Mandatory for covered establishments. Mar 2 Compliance Women in Safety Week. Mar 1-7 Observance National Heatstroke Prevention Day. Launch of summer heat enforcement. May 1 Observance Safe + Sound Week. Focus on safety management systems. Aug 10-16 Observance National Safety Stand-Down to Prevent Falls in Construction. May 4-8 Observance National Safety Stand-Down to Prevent Falls in Construction. May 4-8 Observance Mid-Year Compliance Check / Start of mid-year audits. May 15 Best Practice Tentative NACOSH Meeting (Projected based on prior year cycles). May 31 Advisory Expiration of NACOSH Charter. Renewal required for committee continuity. Sept 16 Advisory Heat Action Day. June 1 Observance Falls Prevention Awareness Week. Sept 21-25 Observance New Compliance Requirements deadline for Chemical Manufacturers, Importers, and Distributors evaluating Mixtures under the revised OSHA HCS. July 20 Compliance Absolute final deadline for late ITA submissions (technical closing of the data year). Dec 31 Compliance