Chemical Safety
Procedures for Handling Chemical Spills and Leaks
Chemical Spills and Leaks
Chemical spills and leaks can be broken down into two basic types: simple spills, which you can clean up yourself, and complicated spills, which require outside assistance.
If your spill meets ANY of the following conditions, it is a COMPLICATED SPILL.
- A person is injured; or
- The identity of the chemical is unknown; or
- Multiple chemicals are involved; or
- The chemical is highly toxic, flammable or reactive; or
- The spill/leak occurs in a "public space" such as corridors; or
- The spill/leak has the potential to spread to other parts of the building such as through the ventilation system; or
- The clean up procedures are not known or appropriate materials are not readily available; or
- The clean up requires a respirator (including cartridge respirators) to be worn and no personnel have been trained and fit-tested in accordance to the campus Respiratory Protection Program; or
- The spill/leak may endanger the environment by reaching waterways or outside ground, or by going down a drain
If none of the above conditions are met, the spill is defined as a simple spill. You may clean up simple spills in accordance with Chapter 6 of the Chemical Safety Guide. For consultative assistance, call Division of Research Safety (DRS) at 333-2755.
What should be done when a Complicated Spill occurs?
- Evacuate the area, alerting others in the area to follow.
- If possible, confine the spill area by closing doors and windows.
- From a safe location, call 9-911 immediately.
- Secure the area so no one will enter until the emergency responders arrive.
- Send someone with knowledge of the chemical spilled to meet the fire department at your building's main entrance. If a Material Safety Data Sheet (MSDS) is readily available, the contact should take a copy to provide to the responders.
When reporting a Complicated Spill, what information should be relayed?
- What is the name of the chemical spilled?
- What quantity of the chemical is spilled?
- Where is the spill? (Give building name and location in the building, i.e. room, hallway, etc.)
- Has anyone been injured or splashed with the chemical? If so, how many people?
- Is a fire or explosion involved in the spill?
- What is your name and phone number?
What will need to be done after the responders leave?
Emergency responders will only stabilize the spill. They will not complete the clean-up. It will need to be packaged in accordance with Chapter 8 of the Chemical Waste Management Guide. A request for pick-up must be submitted to DRS. In most cases you will be able to do this yourself; in other cases an outside party may be required. If personnel from DRS are not present to advise you during the emergency response, call 333-2755. After hours, request DRS assistance through the Division of Public Safety by calling 333-1216.
Simple Spills
If the spill does not meet any of the conditions for a complicated spill, the spill is defined as simple. You may clean up simple spills as described below.
Follow These Steps to Respond to a SIMPLE Chemical Spill:
- If possible, close doors and windows to prevent the spread of fumes and vapors.
- Turn off all potential sources of ignition (Bunsen burners, pumps, mechanical equipment not designed to be spark-proof, etc) if the spilled material is flammable (it may be necessary to turn off power from a remote circuit breaker).
- Put on gloves, lab coat, apron, eye protection, and other PPE, as necessary.
- Absorb liquids using appropriate absorbent material (such as spill pads, spill pillows or loose sorbents)
- Do not attempt to neutralize acids or bases - absorb each liquid spill as is.
- Do not use silica products to clean up hydrofluoric acid.
- Do not use combustible materials to clean up oxidizers. For instance, do not use paper towels for nitric acid spills.
- Carefully sweep powder spills to avoid contaminating the air with chemical dust.
- Collect and contain clean-up materials in a plastic container or thick plastic bag and affix descriptive labels
- Decontaminate the affected area and equipment (soap and water can be used to clean most surfaces) and ventilate the area, if necessary.
- Follow the Procedures for Requesting Chemical Waste Disposal in Chapter Chemical Waste Management Guide. If you have questions, contact the DRS Chemical Safety Section via e-mail or call 333-2755.
Where can I go for more information on spill preparedness and cleanup?
Chapter 6 of the Chemical Safety Guidelists detailed instructions on preparing for and handling chemical spills.
Questions?
Contact the Division of Research Safety, Chemical Safety Section 333-2755 or via e-mail, or visit our web site: http://www.drs.illinois.edu/css/.
Other Chemical Safety Fact Sheets are available from the Chemical Safety Section at our web site: http://www.drs.illinois.edu/css/factsheets/.


