Overview
- Fire crews were called at 12:11 on Oct. 16 to Steels Lane in Oxshott, deploying three fire and rescue vehicles and three officers.
- The incident resulted from two swimming‑pool products reacting to produce a chlorine‑containing vapour.
- Residents inside a mapped dark‑purple zone were instructed to stay indoors and close windows while firefighters investigated.
- By about 15:42, the chemicals were contained and residents were told they could reopen windows and doors, with crews remaining on site for hours.
- On Oct. 17, Surrey Fire and Rescue said hazardous materials advisors confirmed air quality had returned to background levels and there is no ongoing risk.