Hazardous Chemical Reporting

In order comply with the federal Emergency Planning and Community Right-to-Know Act (EPCRA), the EHS maintains an inventory of chemicals classified as hazardous that are used on campus for non-academic purposes and are stored in quantities above established threshold levels. The information in this inventory is used for local emergency planning and informs first responders of possible chemical hazards. The reportable chemical threshold levels are:

  • Extremely Hazardous Substances - 55 gallons, 500 pounds, or the Threshold Planning Quantity (TPQ), whichever is lower.
  • Hazardous Chemicals - 55 gallons or 500 pounds, whichever is lower

As part of the annual maintenance of the inventory, University departments are asked to review their list of chemicals used for non-academic purpose. EHS submits this information to the State of Delaware annually via the Tier II report form. For each chemical reported, the Tier II form requires:

  • The chemical name or the common name as indicated on the SDS
  • An estimate of the maximum amount of the chemical present at any time during the preceding calendar year and the average daily amount
  • A brief description of the manner of storage of the chemical
  • The location of the chemical at the facility

Each department is requested to complete the Workplace Chemical List each year; this information is used by EHS to develop the University’s Tier II report. As part of the EPCRA regulations, a list of hazardous chemicals used in a workplace must be prominently posted for reference by employees. Posting the completed Workplace Chemical List work sheet used to report your chemical inventory will meet this requirement.


Questions about Hazardous Chemical Reporting can be addressed to the Bill Harris at (302) 831-8274.