Calcium Chloride Tire Ballast Spill: Soil Remediation Required

Grass burned by calcium chloride from car tire ballast. Asks for fix beyond watering.

Severity of Calcium Chloride Contamination

• Toxic, classified hazardous waste in many states.
• Prevents plant growth; creates sodic soil (pH >8.5).
• Highly water soluble but so concentrated it may take years to leach.

Remediation Steps

1. Excavate contaminated soil (visibly affected area + margin). Bag in heavy plastic; dispose per local hazardous waste rules.
2. Replace with clean topsoil/compost blend.
3. Soil test after replacement to confirm pH/EC normal. Provide zip for local lab.

Why Watering Alone Fails

Dilution is incomplete; residual salts inhibit growth long-term. Excavation ensures clean slate.

This is serious contamination—treat it as such.