• Level 1 and Level 2 users can view saved hazardous-substance registers only.
• Level 3+ users select an existing Site. The saved Site Address fills automatically. Create or edit Sites in Company & Worker Management rather than from this register.
• Add each hazardous substance used or stored at that site.
• Upload the SDS against the substance row. SDS dates show green when valid, orange when expiring within 60 days, and red when expired or missing.
• Storage Requirements and Storage Location boxes expand as you type.
• Level 3+ users can Save the register for that site. Save first to reveal Draft PDF and Approve.
• Checked By is always the logged-in user's Worker record for the currently selected company. Approved Review History keeps the reviewer recorded at the time of approval.
• The status line above the buttons tells you what still needs doing before Close is allowed.
• Draft PDF and Approve are Level 3+ actions and require the current reviewer to sign first. The reviewer signature is session-only and is burned into the PDF, not reused when the register is reopened.
• Print prints the current register layout. Draft PDF and Approve save PDF records and show a completion prompt with a PDF link.
• The latest approved PDF always shows on the Hazardous DB page. Use Show Archived there to reveal older approved PDFs for Storage cleanup.
• Approve records the review in Review History and prepares the register for the next review cycle.