Posted By Mark Eastbourne
Hi

A bit embarrassed to ask this question but something has popped up at work and I wondered if anyone can enlighten me.

There is a process caled Racoo firing which involves a piece of pottery being placed in a bin with saw dust outside on the playground. The safe system of work requires that nearby doors and windows be closed with appropriate signage stating this.

A lecturer of another classroom was complaining of the smoke getting into the room by going through some double doors, down about 15 stairs through another door and into the class room. Unfortunately the control measure was not adequate as the students kept leaving the doors open.

I investigated and sure enough could just about smell the racoo but could see no sign of smoke.

The question I want to ask is, just because the smell is there, does that mean that there was smoke? Is smell carried by the burnt particulates or is smell another thing entirely.

I probably deserve any put downs but clarification would great as well.

Mark