If you spill a chemical, it's crucial to respond quickly and appropriately to minimize risks to people and the environment. Here are the steps you should take:

Immediate Actions
1. Alert and Evacuate: Immediately inform everyone in the area about the spill. If necessary, evacuate the area.
2. Assess the Situation: Determine the nature and extent of the spill. Check the chemical’s label or Safety Data Sheet (SDS) for specific hazards.
3. Attend to Affected Persons: If anyone is contaminated, remove contaminated clothing and flush the skin or eyes with water for at least 15 minutes.

Containment
1. Wear Appropriate PPE: Depending on the chemical, this could include goggles, gloves, lab coats, and in some cases, respiratory protection.
2. Stop the Source: If it’s safe, try to stop the spill at its source.
3. Contain the Spill: Use absorbent materials like clay, pet litter, or sand to create a barrier around the spill to prevent it from spreading. For liquid spills, work from the outside in to avoid splashing.
4. Protect Drains and Waterways: Block floor drains or other pathways to prevent the chemical from entering water systems.

Cleanup
1. Apply Neutralizers: For acid or base spills, neutralize them first using appropriate materials (e.g., soda ash for acids, citric acid for bases).
2. Absorb the Spill: Spread absorbent material over the spill to soak it up. Use a brush and scoop to collect the absorbed material and place it in a leak-proof container.
3. Dispose of Waste Properly: Label the waste container and dispose of it through a hazardous waste management program.

Decontamination and Reporting
1. Decontaminate the Area: Clean the affected surface with soapy water. If the chemical is highly toxic, collect the rinse water for proper disposal.
2. Report the Spill: Notify your supervisor or the relevant authorities about the spill.

Major Spills
For large spills (over 1 liter) or highly toxic, volatile, or flammable chemical products, evacuate the area and call emergency services (911 or your local emergency number). Provide details about the spill, including the chemical, quantity, and location.

Personal Safety
- If you feel unwell or have been exposed to the chemical, seek medical attention immediately.
- Always wash your hands thoroughly after handling chemical products and cleanup materials.

Remember, the specific response may vary depending on the chemical involved, so always refer to the SDS for detailed guidance.