Do not attempt to investigate the substance any further or handle it yourself.
1. Secure the Area and Protect Yourself
Move Away Immediately
Leave the area at once. If you are still outside, return indoors and keep your distance from the substance.
Close All Windows and Doors
If the odor is strong, it may indicate the presence of airborne particles or gases. Close windows and doors to prevent anything from entering your home.
Wash Thoroughly
If you believe you may have been exposed, wash any uncovered skin with soap and water and rinse your mouth thoroughly. Remove your shoes and clothing near the entrance of your home and wash the clothing separately from other laundry.
2. Contact Emergency Services Immediately
This situation requires trained hazardous-material responders, not a standard pest control service.
Call your local fire department’s non-emergency line or emergency services (911, where available) and explain:
- You found a strange, slimy, moving substance with a strong rotting odor.
- You experienced symptoms such as chest tightness and a metallic taste.
- You are concerned that the material could be hazardous or chemical in nature.
Why contact the fire department?
Firefighters and hazardous materials (HazMat) teams are trained to identify, assess, and safely contain potentially dangerous substances.
3. Keep Others Away
Until professionals arrive:
- Keep family members indoors and away from the area.
- Inform nearby neighbors if there is any potential risk.
- Do not allow pets into the garden or near the substance under any circumstances.
4. While Waiting for Assistance
Ventilate Safely
If your home needs fresh air, open windows on the side of the house farthest from the affected area.
Remember Important Details
Try to recall and note any useful observations, including:
- Approximate size
- Color (for example, reddish in appearance)
- Type of movement
- Exact location
These details may help emergency responders assess the situation more quickly.
Possible Explanations (For Awareness Only)
Only trained professionals can determine exactly what the substance is. Possible explanations include:
Hazardous Chemical Contamination
An unknown chemical or toxic material may have been illegally dumped or spilled in the area.
Unusual Biological Growth
Certain slime molds or large concentrations of insect larvae can appear alarming and may produce strong odors. However, your reported symptoms suggest caution is warranted.
Animal Decomposition
A decomposing animal could explain the odor, though the reported appearance and movement are unusual and may indicate advanced decomposition or scavenger activity.
Final Advice
Do not attempt to identify, move, clean, or dispose of the substance yourself. The combination of its appearance, strong odor, and your physical symptoms makes this a matter best handled by emergency responders and hazardous-material professionals.